Memory and Storage - General Questions (4)

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Memory and Storage - General Questions

25. 

Which of the following memories is volatile?
A. ROM
B. EROM
C. RAM
D. Flash

Answer: Option C

Explanation:

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26. 

The time from the beginning of a read cycle to the end of tACS or tAA is referred to as:
A. access time
B. data hold
C. read cycle time
D. write enable time

Answer: Option A

Explanation:

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27. 

Which is not a magnetic storage device?
A. Magnetic disk
B. Magnetic tape
C. Magneto-optical disk
D. Optical disk

Answer: Option D

Explanation:

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28. 

Why is a refresh cycle necessary for a dynamic RAM?
A. to clear the flip-flops
B. to set the flip-flops
C. The refresh cycle discharges the capacitor cells.
D. The refresh cycle keeps the charge on the capacitor cells.

Answer: Option D

Explanation:

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29. 

On a CD-ROM, ________ are recessed areas representing a 0.
A. mounds
B. lands
C. holes
D. pits

Answer: Option D

Explanation:

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30. 

The location of a unit of data in a memory array is called its ________.
A. storage
B. RAM
C. address
D. data

Answer: Option C

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31. 

On a CD-ROM, ________ are raised areas representing a 1.
A. mounds
B. lands
C. holes
D. pits

Answer: Option B

Explanation:

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32. 

Which of the following faults will the checkerboard pattern test for in RAM?
A. Short between adjacent cells
B. Ability to store both 0s and 1s
C. Dynamically introduced errors between cells
D. All of the above

Answer: Option D

Explanation:

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