Memory and Storage MCQs

Technical Mcqs Objective Questions

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22. What is the major difference between SRAM and DRAM?

A. DRAMs must be periodically refreshed.

B. SRAMs can hold data via a static charge, even with power off.

C. The only difference is the terminal from which the data is removed—from the FET Drain or Source.

D. Dynamic RAMs are always active; static RAMs must reset between data read/write cycles.

23. Which of the following best describes volatile memory?

A. memory that retains stored information when electrical power is removed

B. memory that loses stored information when electrical power is removed

C. magnetic memory

24. What is a major disadvantage of RAM?

A. Its access speed is too slow.

B. Its matrix size is too big.

C. It is volatile.

D. High power consumption

25. What two functions does a DRAM controller perform?

A. address multiplexing and data selection

B. address multiplexing and the refresh operation

C. data selection and the refresh operation

D. data selection and CPU accessing

26. Dynamic memory cells store a data bit in a ________.

27. Which is not part of a hard disk drive?

C. Read/write head

28. ROMs retain data when the ________.

A. power is off

C. system is down

D. all of the above

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