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16. Which of the following is NOT a primary storage device?

A. Magnetic tape
B. Magnetic disk
C. Optical disk
D. All of the above
E. None of the above

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17. A device that prints one character at a ! time is kknown as

A. Laser printer
B. Line printer
C. Character printer
D. Dot-Matrix printer
E. None of the above

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18. A mechanism for arranging controlled access to a shared resource is

A. Retrieving
B. Sorting
C. Balleting
D. Lock-out
E. None of the above

Show Answer

19. A data item which is not broken down into smaller units is _____

A. Data element
B. Elementary data item
C. Data entry
D. Database management
E. None of the above

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20. A computer is a box full of electronic

A. Switching devices
B. Chips
C. Circuits
D. Registers
E. None of the above

Show Answer
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