Case 7-3
Andrea is the new receptionist at Edoron Technologies. Although she is new at using a computer system, she tries her best to organize all the files and folders on the system.
Andrea is working with a File Explorer window. She notices that
a file, instead of being in its original folder, is in a new folder. Which of the following actions could have resulted in such a situation?
A. ?She dragged the file, and the two folders were on different drives.
B. ?She dragged the file, and the two folders were on the same drive.
C. ?She used the Copy command instead of the Cut command.
D. ?She copied the file when the Clipboard was full, and so it was unable to accept the file.
Answer: B
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Fill in the blank(s) with the appropriate word(s).
_________________________ indicates the number of pixels that a computer uses to display what you see on the screen.
Fill in the blank(s) with the appropriate word(s).
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Indicate whether the statement is true or false
In the negabinary system an i?bit binary integer, N, is expressed using positional notation as:
This is the same as conventional natural 8421 binary weighted numbers, except that alternate positions have
the additional weighting +1 and ?1. For example, 1101 = (?1 × 1 × 8) + (+1 × 1 × 4) + (?1 × 0 × 2) + (+1 × 1 × 1) = ?8
+ 4 + 1 = ?3. The following 4?bit numbers are represented in negabinary form. Convert them into their decimal
equivalents.
a. 0000
b. 0101
c. 1010
d. 1111