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40 Cards in this Set

  • Front
  • Back
Problem solving
The act of finding a solution to a perplexing, distressing, vexing, or unsettled question
Problem Solving Strategy
Analyze - Define and understand the problem
Design
Algorithm
“actions in order” or “step by step”
Flowchart
Rectangle- Action
Diamond-Decision
Difference between text box and masked text box
A masked text box allows you to control what the user enters
Input
Textbox
InputBox
File
Others
Process
Variables
Calculations
Built-in functions
Other
Output
Label
Textbox
Listbox
Picturebox
CDbl (txtBox.Text)
converts from string to numeric value
CInt (txtBox.Text)
converts from string to an integer value
CStr (dblVarName)
converts from numeric value to string
Integer
whole number from -2,147,483, 648 to 2,147,483,647 [231-1] (big)
Single
floating point number (half of huge)
Double
floating point number from -1.8*10308 to 1.8*10308 (Huge)
Byte
Whole number from 0 - 255
Boolean
Values of true or false
String
from 0 to approx 2 billion characters
Date
values from January 1, 100 to December 31, 9999; clock time from 0:00:00 to 23:59:59
Dim
Declare variable keyword
Weird rounding
2.5 the integer becomes 2.0
Input box
Variable = InputBox(“prompt”, [“title”], [“default value”], [xposition], [yposition]
Code for checkbox
If chkTex.Checked = True Then ‘Statement or statements inside
End if
With event-driven programs, the program dictates the order of program execution_not the user. Instead of the user "driving" the program, the program "drives" the user.
False
The solution to any problem involves performing a series of actions in a specific
order
Pseudocode is a structured programming language
False
Which of the following is NOT considered to be one of the three basic operations of a computer?
Erase
A folder is the same as a directory.
True
he variables firstName and firstNAME are identical. (T/F)
True
What is the filespec for a file named Senate.txt contained in a folder InfoUSA where that folder is a subfolder of the root directory on a USB drive in Drive F?
F:/InfoUSA/Senate.txt
A user action such as clicking a button is called
an event
Assume that Num is declared as an integer. What is the value of the following calculation?
Num = ( ( 10 - 4 * 2 ) \ 2 + ( 13 - 2 * 5 ) ) ^ 2
16
Declarations of variables can appear almost anywhere in the body of an event procedure.
True
The variables number and NuMbEr are identical in Visual Basic.
True
Pseudocode is a structured programming language
False
What is the value of Int(8.9)?
8
Assume that x, y, and temp are Integer variables. Which of the following lines of code swaps the values of x and y?
temp = x
x = y
y = temp
What will be the contents of the variable x after the following statement is executed?
x = Math.Sqrt(((9 + 7) / (4 * 2)) + 2)
2
In cases of nested or embedded parentheses, the operators in the outermost pair of parentheses are applied first.
False
Whenever a value is placed in a memory location, the value replaces the previous value in that location. The process of storing a value in a memory location is known as destructive read-in.
True
The property that determines what text is display in the Label object on the form is
Text