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35 Cards in this Set
- Front
- Back
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ADDIE Model - Analysis |
Input: Client Meetings and/or market research Output: Req Doc |
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ADDIE Model - Design |
Output: Design Doc |
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1st Law - Pseudocode Var and Proc Names |
camelCase or c_style_convention |
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1st Law - Pseudocode ALL_CAPS |
Named Constants |
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1st Law - Pseudocode PascalCase |
Violates convention used for class and struct names |
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2nd Law - Pseudocode no syntax rules but conventions for this class |
Be consistent Use Var name conventions Use prompt to ask for input Use display for every other output |
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Algorithms |
A well-defined sequence of steps for solving a problem |
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Heuristic |
Based on probability and rule of thumb; generally heuristic problems involve uncertainty and trial-and-error |
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Variable |
Storage location for data that has been given a name Name Value Data Type Memory Location Size Scope |
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Variable Data Types |
Indicates "variety" and amount of storage required Integer Real/Floating-point Char Boolean/Logical String In statically-typed lang var must be declared with its name |
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Data Structures - Aggregate data types composed of primitive data types Homogeneous |
Arrays, vectors (dynamically-allocated arrays Elements of the same data type |
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Data Structures - Aggregate data types composed of primitive data types Heterogneous |
Structs, classes May contain elements of different types Classes may contain procs, called methods Structs usually dont, but the line is not absolute in many languages |
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Identifier names |
Variables Named Constant Function Class Struct Tag |
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Must haves for Var, Constants, Func |
Data Type Optionally supplied value All Constants must be initialized (given a value) |
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This would be needed to store up to 256 chars |
Byte |
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What's the name of the standard used to store character data in C/C++ |
ASCII (subset of unicode) |
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What is the standard to store data in a web-based app |
Unicode (often UTF-8 on the web) |
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How are negative nums represented internally in binary |
converting it to 2's complement notation |
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After writing a program, you launch it and it crashes this is what is wrong |
logic error - during runtime (fyi syntax error - only at execution compiler) |
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Assignment statement |
sets a variable to a specified value = is assignment == is the equality comparison operator |
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Order of precedence in math expression |
parenthesis left to right multiply divide add subtract |
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All computer data stored as |
binary numbers (machine language) |
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Software Requirement |
A single, specific function that a program must be able to perform in order to satisfy the customer |
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Basic Flowchart symbols |
Rectangle - process/assignment Parallelogram - input/output Oval - start/end Diamond - decision statement Rectangle with lines - proc/subprogram/func call |
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Variable Scope Global |
Declared outside any function or block It is accessible anywhere in the program Usually a bad idea unless Named Constant |
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Variable Scope Local |
Declared inside a func or block |
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syntax error |
errors in following rules of lang |
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logic error |
error in content - program may run but not sucessfully |
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procedural lang |
programmer creates list of steps to complete desired task (creating procs) and assembling Fortran Cobol Basic C |
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object oriented lang |
programmer can create objects (nouns) that have attributes and functionality. they can be assembled into working program Java C++ C# VB VB.Net |
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scripting lang |
needs a host program to "do" anything are not used to create stand alone exec programs but can be opened in web browser HTML Javascript VBScript |
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event driven program |
no prescribed list of steps that will occur each time the program runs from start to completion. flow is based on system or user events |
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6 steps of problem solving |
Identify prob Understand prob Identify alternatives solutions Select best solution Develop algorithm Evaluate solution |
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Truth tables meanings and order of precedence |
NOT = opposite
AND = false unless true true OR = if 1 true then true else false |
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complete precedence list for the operators |
( ) ^ *, /, \, mod +, - <, >, <=, >=, ==, <> NOT AND OR = |
