Describe a hexadecimal character.
What will be an ideal response?
One hexadecimal character (for example, F) represents 4 bits, so four hexadecimal characters make a 16-bit group.
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What will be displayed by the following program when the button is clicked?
``` Private Sub btnDisplay_Click(...) Handles btnDisplay.Click Dim s As Double s = 0 For k As Integer = 1 To 5 If k / 2 = Int(k / 2) Then s += k End If Next txtBox.Text = CStr(s) End Sub ``` (A) 12 (B) 9 (C) 15 (D) 6
(Square of Asterisks) Write a function that displays at the left margin of the screen a solid square of asterisks whose side is specified in integer parameter side. For example, if side is 4, the function displays the following:
**** **** **** **** What will be an ideal response?
A scheme perpetrated over the Internet or by email that tricks a victim into voluntarily and knowingly giving money or property to a person is ________.
a. phishing b. computer fraud c. cyberterrorism d. a botnet
An administrator would like to determine which wire pair on a 100 block connects a jack in the next room. Which of the following utilities would MOST likely be used to determine this?
A. Port scanner B. Toner probe C. Multimeter D. Protocol analyzer