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195 Cards in this Set
- Front
- Back
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What allows you to create methods with the same name in different classes and gives you the ability to call the correct method depending on the type of object that is used to call it? Constructor Inheritance Accessor Polymorphism None of these |
Polymorphism |
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When the program is running, it can use the class to create, in memory, one object of a specific type as needed. T/F |
False |
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Which of the following tasks are performed by a procedure? Reading a file Gathering input Displaying output All of these None of these |
All of these |
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________ is another name for accessor methods. Getters Accessors Setters Private None of these |
Getters |
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The act of declaring a class variable does not actually create an object in memory. T/F |
True |
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What software entity contains both data and procedures? Objects Instances Events Memory location(s) None of these |
Objects |
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What type of programming encapsulates data and functions together in an object? Object-oriented Interactive Procedural Menu-driven None of these |
Object-oriented |
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The private object fields can be directly manipulated by outside entities. T/F |
False |
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The class ________ starts with the word Class followed by the name of the class. body definition return members None of these |
definition |
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Which of the following are contained in a UML diagram for a class? Class name Class fields Class methods All of these None of these |
All of these |
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When a superclass method has the same name as a subclass method, it is often said that the superclass method overrides the subclass method.T/F |
False |
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External entities do not have direct access to the object's private methods. T/F |
True |
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When a class variable is assigned the address of an object, it is said that the variable references the object. T/F |
True |
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If a constructor is not written when the class is compiled, then a constructor is automatically provided and it is known as the default constructor. T/F |
True |
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The variables, arrays, or other data structures that are stored in the object are known as the object's Records Methods Addresses Fields None of these |
Fields |
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In a UML diagram, what character do you place in front of a field of method name to indicate it is public? + = P - None of these |
+ |
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What is the term used for the fields and methods that belong to a class? body definition return members None of these |
members |
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Procedures typically operate on data items that are within the procedure. T/F |
False |
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The programmer determines the fields and methods of an object and creates the ________ code. Class Module Procedure None of these |
Class |
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The procedures that the object performs are known as ________. Records Methods Addresses Fields None of these |
Methods |
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When an object's internal data is hidden from outside code and access to the data is restricted to the object's methods, the data is protected from accidental corruption. T/F |
True |
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The mutator methods are sometimes called ________. getters accessors setters private None of these |
setters |
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________ is a standard way of drawing diagrams that describe object-oriented systems. Data flow diagram UML Flowchart Hierarchy chart None of these |
UML |
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In an inheritance relationship, the superclass inherits members from the subclass, not the other way around. T/F |
False |
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The separation of data and the code that operates on the data can lead to problems as a program becomes larger and more complex.T/F |
True |
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The word Private that appears before a field declaration, in a class definition, is known as a(n) ________. access specifier specifier Class specifier Inside specifier None of these |
access specifier |
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What type of programming is centered on the procedures or actions that take place in a program? Object-oriented Interactive Procedural Menu-driven None of these |
Procedural |
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When a piece of data is written to a file, it is copied from a variable in ________ to the file. cyberspace RAM flash memory All of these None of these |
RAM |
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How many steps must be taken when a file is used by a program? One Two Three Four None of these |
Three |
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What is the terminology used when a task is temporarily interrupted as a control variable reaches a specific value? Control break End of page Break Control break logic None of these |
Control break logic |
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When a web page is visited, the browser stores a small file on the user's computer, known as a ________. cookie biscuit web file temp file None of these |
cookie |
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What type of data file cannot be opened and viewed in an editor such as Notepad? Text file Output file Input file Binary file None of these |
Binary file |
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In an input file, what maintains the location of the next item that will be read from the file? Read locator Read position Marker Read marker Locator |
Read position |
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The programmer has the option to append data anywhere in an output file.T/F |
False |
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In the ________ step the data is either written to the file or read from the file. opening processing closing I/O None of these |
processing |
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The data saved in a file will remain there even after the program stops running but will be wiped out when the computer is turned off.T/F |
False |
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A file with the extension .doc usually indicates that the file contains a note written by a doctor. T/F |
False |
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In general, how many types of files are there? one two three five None of these |
two |
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What is a short sequence of characters that appears at the end of a filename and is preceded by a period called? File extension Filetype extension Filename extension Fileaccess extension None of these |
Filename extension |
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What is the term used to describe a file that data is read from? In file Out file Output file Input file None of these |
Input file |
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Programmers usually refer to the process of saving data to a file as ________ a file. saving data to copying data to writing data to put data to None of these |
writing data to |
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Which flowcharting symbol is used for opening and closing files? Rectangle Parallelogram Diamond Oval None of these |
Rectangle |
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The use of a buffer increases the system's performance because writing data to memory is faster than writing to a disk. T/F |
True |
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The sequential access file is similar to the way a cassette player works. T/F |
True |
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Data files are less and less needed in current gaming software. T/F |
False |
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When an input file is opened, the read position is initially set to the first item in the file. T/F |
True |
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Which type of data file access allows access to any piece of data in the file without reading the data that comes before it? Direct access Sequential access Input access Output access None of these |
Direct access |
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The term "output file" is used to describe a file that data is read from. T/F |
False |
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All types of data files are viewable in a text editor. T/F |
False |
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The direct access file is similar to the way an MP3 player works: the player starts from the beginning.T/F |
False |
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In a text file, all data is stored as a series of characters. T/F |
True |
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Programmers use pseudocode to create "mock-ups" of programs because they do not have to worry about syntax rules. T/F |
True |
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A(n) ________ is a name that represents a value that cannot be changed during the program's execution. Uninitialized variable Named variable Named constant Input variable None of these |
Uninitialized variable |
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An uninitialized variable is a variable that has been declared and automatically initialized to zero. T/F |
False |
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Which of the following is not a variable data type? Number Integer Real String None of these |
Number |
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________ documentation is a reference guide that describes the features of the program, designed for the user. Line External Internal Block Program |
External |
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What term is used for a string that appears in the actual code of a program? String literal Virtual string Hard copy Strongly typed None of these |
String Literal |
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The expressions (a + b) / c and a + b / c will always yield identical results. T/F |
False |
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The program development cycle is made up of ________ steps that are repeated until no errors can be found in the program. Five Four Three Six None of these |
Five |
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What symbol is used to mark the beginning and end of a string? Slash Comma Question Asterisk Quotation |
Quotation |
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What is the first step of the program development cycle? Correct syntax errors Design the program Test the executable code Debug the code Write the code |
Design the program
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What is another term used for "desk checking"? Checking Debug Hand tracing Execute Run |
Hand Tracing |
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A variable is a storage location in memory that is represented by a name and can hold different values during the execution of the program. T/F |
True |
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What is the informal language that programmers use to create models of programs that have no syntax rules and are not meant to be compiled or executed? Program Algorithm Flowchart Pseudocode Code |
Pseudocode |
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Ovals are used as terminal symbols marking the starting and end of the pseudocode. T/F |
True |
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The value of the expression 12 - 4 * 3 / 2 + 9 is ________. 21 15 -6 2.18 |
21 |
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Programmers start writing code as the first step when they begin a new project. T/F |
False |
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A sequence of characters that is used as data is called a string in programming. T/F |
True |
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Which symbol is used for an assignment statement in a flowchart? Processing I/O Terminal Parallelogram None of these |
None of these |
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The following is an example of what type of statement: Set rate = 5.75 Declaration Assignment Input Output None of these |
Input |
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It has been proven by a group of mathematicians that all programs can be written using only three structures.T/F |
True |
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Most programming languages do not automatically print spaces between multiple items that are displayed on the screen. T/F |
True |
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Which of the following is not an actual programming language? C++ Pseudocode Visual Basic Python Java |
Pseudocode |
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A named constant can be assigned a value using a Set statement.T/F |
False |
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The process where the programmer steps through each of the program's statements one by one is called ________. Hand tracing Execute Debug Run Checking |
Hand Tracing |
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If you mistakenly write pseudocode into an editor for an actual programming language, such as Python or Visual Basic, errors will result. T/F |
True |
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The hierarchy chart does not reveal any details of the steps taken inside the module.T/F |
True |
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What tool would a programmer use to visualize the relationship between modules? Flowchart Hierarchy charts Pseudo charts Modular charts None of these |
Hierarchy charts |
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Function is another name for ________. Module Variable Reference Sub class None of these |
Module |
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Modules can be written for commonly needed tasks, and those modules can be incorporated into each program that needs them.T/F |
True |
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The following is an example of a module ________. Call ShowNetPay() Display Execution Body Header Definition |
Execution |
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Which type of variable is visible to every module and the entire program? Pass by value Pass by reference Global Reference Local |
Global |
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The module definition comprises the module header and the module ________. Call Body Arguments Parameters Statements |
Body |
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What is the term used for the memory address of the location of the statement immediately after the module call? Resume point Return address Continue point Resume address Return point |
Return point |
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The scope of a variable is the segment of the program in which the variable can be accessed. T/F |
True |
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In most languages a module definition has three parts: a header, body, and footer.T/F |
False |
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When an argument is passed by value, the communication channel works only in one direction.T/F |
True |
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The arguments in a module call and the parameters listed in the module header must be of compatible data types. T/F |
True |
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An attempt to pass a non-variable argument into a reference variable parameter will cause an error. T/F |
True |
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When an argument is passed by ________, it is not affected by a change of the content of the parameter variable. Value Constant Reference Variable None of these |
Value |
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In a flowchart, the module call is represented by a ________ symbol with vertical bars at each side. Parallelogram Square Rhombus Rectangle None of these |
Rectangle |
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What is the term used for the variable that receives an argument that passed into a module? Global Local Parameter Constant None of these |
Parameter |
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Passing an argument by ________ means that only a copy of the argument's value is passed into the parameter variable. Value Constant Reference Variable None of these |
Value |
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What phrase is placed in the starting terminal symbol of a module in a flowchart? Resume Continue Start Name of the module Begin |
Name of the module |
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The top-down design process is sometimes called stepwise refinement. T/F |
True |
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A pass by reference argument establishes a two-way communication with the module, but the value of the argument cannot be modified via the reference variable. T/F |
False |
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Which of the following is not a benefit of using modules? Simpler Code Faster Development Code Reuse Better Testing None of these |
None of these |
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________ variables are useful for establishing two-way communication between modules. Value Constant Reference I/O None of these |
Reference |
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Which type of variable is not recommended to be used in programs because they make programs hard to understand and debug? Pass by reference Pass by value Local Reference Global |
Global |
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Modules are commonly called what? Procedures Subroutines Subprograms Methods All of these |
All of these |
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A module can have two variables of the same name because they are within the same scope. T/F |
False |
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The If-Then-Else statement should be used to write a single alternative decision structure. T/F |
False |
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Which operator would make the following expression false? True_______False AND NOT OR All of these None of these |
AND |
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The ________ symbol indicates that some condition must be tested in a flowchart. Square Diamond Parallelogram Oval Rectangle |
Diamond |
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Which structure is a logical design that controls the order in which a set of statements executes? Control Sequence Module Terminal None of these |
Sequence |
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A nested decision structure can achieve the same logic as a case structure.T/F |
True |
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A case structure is a ________ alternative decision structure. Single Dual Multiple Single or dual All of these |
Multiple |
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A nested decision structure can be used to test more than one condition.T/F |
True |
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Which operator is used to determine that the operands are not exactly of the same value? = ! =! == None of these |
None of these |
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The first line of the case structure starts with the word CASE followed by the test expression.T/F |
False |
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In an expression with an OR operator, it does not matter which sub expression is true for the compound expression to be true.T/F |
True |
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The ________ operator is a unary operator, as it works with only one operand. AND NPR |
NOT |
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Which of the following operators reverses the logic of its operand? NOT None of these |
NOT |
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What two logical operators perform short-circuit evaluation? NOT and OR AND and OR AND and NOT All of these None of these |
AND and OR |
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Although the sequence structure is heavily used in programming, it cannot handle every type of task.T/F |
True |
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A condition is a ________ expression. Boolean Relational Logical Mathematical None of These |
None of these |
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The ________ operator could be used, in some situations, to simplify nested selection structures. AND NOT None of these |
AND |
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Pseudocode could be logically incorrect if not properly indented.T/F |
False |
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If the expression is false, the ________ operator will return true. AND None of these |
NOT |
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What type of operators are the following? < > >= <- == != Boolean Relational Logical Mathematical None of these |
Relational |
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What type of operator can be used to determine whether a specific relationship exists between two values? Boolean Relational Logical Mathematical None of these |
Relational |
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An If statement will produce unpredictable results if the programmer does not use proper indentations in pseudocode.T/F |
False |
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Which of the following is a logical operator? AND NOT None of these |
All of these |
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It is possible to write a complete program using only a decision structure. T/F |
False |
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In many languages the case structure is called a ________ statement. Branch Jump Selective Switch All of these |
Switch |
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The If-Then-Else statement can be used to simplify a complex nested decision structure. T/F |
True |
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Which loop repeats a statement or set of statements as long as the Boolean expression is false? Do-While Do-Until For While None of these |
Do-Until |
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Modules can be called from statements in the body of any loop.T/F |
True |
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The While loop gets its name from the way it works: While a condition is false, do some task. T/F |
False |
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The ________ represents a special value that marks the end of a list of values. Sentinel Stop End Any of these None of these |
Sentinel |
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The conditions that control a loop repetition are Boolean expressions. T/F |
True |
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A posttest loop does not perform any iteration if the Boolean expression is false to begin with.T/F |
False |
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How many times will the following loop iterate? Set k = 1 Do Display k Set k + k + 1 Until k>1 Three Infinite No iterations Two One |
One |
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The While and For loops are considered pretest loops because they test the condition before processing the statement(s) in the loop body. T/F |
True |
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A While loop repeats infinitely when there is no statement inside the loop body that makes the test condition false.T/F |
True |
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Which loop statement does not contain an increment statement but automatically increments the counter at the end of each iteration? Do-While Do-Until For While None of these |
For |
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The following is an example of what type of loop? For k + 7 To maxValue Do-while Count-controlled Condition-controlled While Do-until |
Count Controlled |
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In the For statement, you can only use positive integers as step values.T/F |
False |
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To ________ a variable means to decrease its value. Negate Increment Initialize Reference Decrement |
Decrement |
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How many times will the following loop iterate? Set k = 1 While k< = 5 Display k End While Infinite No iterations Two Five Three |
Infinite |
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Which of these are posttest loops? While and Do-Until Do-Until and For While and Do-While Do-While and For Do-While and Do-Until |
Do-Until and For |
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In a For loop, the programmer should know the exact number of iterations the loop must perform before writing the code.T/F |
False |
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The While loop will never execute if its condition is true to start with.T/F |
False |
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Which pair of loops causes a statement or set of statements to repeat as long as a condition is true? Do-Until and For Do-While and For Do-While and Do-Until While and Do-While While and Do-Until |
While and Do-While |
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A condition-controlled loop can be used to iterate the body of the loop a specific number of times.T/F |
True |
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What type of loop uses a Boolean expression to control the number of times that it repeats a statement or set of statements? Condition-controlled Do-while Count-controlled While Do-until |
Condition-controlled |
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Any loop that can be written as a Do-While loop can also be written as a While loop.T/F |
True |
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A loop that accumulates a total as it reads each number from a series is often said to keep a what? Average Maximum value Running total Accumulation None of these |
Running total |
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In a count-controlled loop, the counter performs ________ action(s). Five Two One Three Four |
Three |
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Most programming languages let you assign an integer value to a real variable without causing an error.T/F |
True |
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The value that is returned from a function can be used just like any other value.T/F |
True |
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Which of the following errors occur when a real value is attempted to be assigned to an integer variable? Integer value Type mismatch Conversion Assignment None of these |
Type mismatch |
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Which function accepts two strings as arguments, returns "True" if the first string contains the second string, and otherwise returns "False"? Append Concatenate Contains Substring None of these |
Contains |
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The number of arguments that can be passed to a function are limited in most programming languages.T/F |
False
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The parameter list that accepts arguments is optional in a function definition.T/F |
True |
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Which of the following statements is true after the execution of the following statement? y + abs(x) y contains the absolute value of x x contains the absolute value of y x contains the absolute value of the value in y y contains the absolute value of the value in x None of these |
y contains the absolute value of x |
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The input column in the IPO chart describes the process the function performs on the input data.T/F |
False |
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Which function returns a string within a string? Append Concatenate Contains Substring None of these |
Substring |
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What term is used in the ending terminal symbol of a function flowchart? Return End Function End Function Return None of these |
Return |
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The term ________ is used to describe any mechanism that accepts input, performs some operation that cannot be seen on the input, and produces output. White box Black box White cube Black cube None of these |
Black Box |
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Random numbers are commonly used in which type of program? Games Simulations Statistical analysis Data encryption All of these |
All of these |
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What is the data type of the value returned by the random library function? String Integer Boolean Real None of these |
Integer |
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The function body follows the function header in a function definition.T/F |
True |
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Library functions are built into the programming language, and can be called any time they are needed.T/F |
True |
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The function ________ specifies the return data type, name of the function, and the parameter variable(s). Definition Body Header Statement None of these |
Definition |
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Random numbers are useful in simulation programs where the computer must randomly decide how an object will behave.T/F |
True |
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In the IPO chart, the ________ column describes the data that is passed to the function as arguments. Output Function Process Input None of these |
Input |
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When a function finishes, it returns a value back to the part of the program that called it.T/F |
True |
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The library functions in every programming language have the same function names and accept the same arguments, but their behaviors might differ slightly. T/F |
False |
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The toInteger function accepts a real number as its argument and preserves any fractional part in the returned number.T/F |
False |
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Which of the following array declarations would be best suited for storing the retail prices? Declare String retailPrice[SIZE] Declare Real retailPrice[SIZE] Declare Integer retailPrice[SIZE] All of these None of these |
Declare Real retailPrice[SIZE] |
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A partially filled array is normally used with ________. a library function that performs array insertions an accompanying variable that holds a copy of the last item stored in the array an accompanying integer variable that holds the number of items that are actually stored in the array a warning to the user that some of the elements contain invalid values None of these |
an accompanying integer variable that holds the number of items that are actually stored in the array |
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What is the term used for the number inside the bracket that specifies the number of values that an array can hold? Size Size declarator Number Number declarator None of these |
Size declarator |
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One of the advantages of two- or more dimensional arrays is that the data values can be of two or more data types.T/F |
False |
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Unlike variables, arrays need to be initialized separately from the declaration.T/F |
False |
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In a sequential search algorithm, the Boolean variable used as a flag is initialized to TRUE. T/F |
False |
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Subscripts are used to identify specific elements in an array.T/F |
True |
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Which of the following statement is true about the statement below? Declare Integer score [5] = 83, 92, 78, 94, 71 This is an array declaration. This is an array declaration and size establishment. This is an array size establishment. This is an array initialization. This is an array declaration and initialization. |
This is an array declaration and initialization. |
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Which is the simplest search technique to use to find an item in an array? Sequential Binary Bubble Select None of these |
Sequential |
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Multiple-dimensional arrays can be used to model data that occurs in multiple sets. T/F |
True |
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Which of the following arguments must be passed when passing an array as an argument? The array itself An integer that specifies the number of elements in the array The data type of the array The array itself and An integer that specifies the number of elements in the array The array itself and The data type of the array |
The array itself and An integer that specifies the number of elements in the array |
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A three-dimensional array can be thought of as ________ of two-dimensional arrays. Score of 5 Score sub 4 Score of 4 Score sub 5 Score 5 |
Score sub 5 |
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The expression score[5] is pronounced ________. Score of 5 Score sub 4 Score of 4 Score sub 5 Score 5 |
Score sub 5 |
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________ arrays are two or more arrays that hold related data, and the elements are accessed using a common subscript. Sequential Binary Parallel Linear None of these |
Parallel |
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When processing the data in a two-dimensional array, each element has two subscripts.T/F |
True |
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Variables work well in many situations, but they have limitations.T/F |
True |
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How many subscripts do you need to access one element in a two-dimensional array? One Two Three Four None of these |
two |
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The first step in calculating the average of the values in an array is to get the total of the values.T/F |
True |
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To calculate the total of the values in an array, a loop is used with an accumulator variable.T/F |
True |
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Two-dimensional arrays can be thought of as containing ________. Rows and lines Rows and columns Lines and pages Lines and columns Rows and pages |
Rows and columns |
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What is the term used for the value that is searched for in a search algorithm? stringValue searchValue matchValue flag None of these |
searchValue |
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Access the individual elements in an array by using their ________. Sizes Numbers Integers Subscripts None of these |
Subscripts |
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Processing a large number of items in a(n) ________ is usually easier than processing a large number of items stored in separate variables. Constant Variable Array Loop None of these |
Array |
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Every element in an array is assigned a unique number known as a ________. subscript integer character number None of these |
subscript |
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Some programming languages provide this specialized loop that steps through an array, retrieving the value of each element. While Each For Each Repeat Get Step Loop one of these |
For Each |
