Memory and Storage MCQs

Question 1

FIFO is formed by an arrangement of ________.

Accepted Answer

shift registers

Answer

diodes

Answer

transistors

Answer

MOS cells

Question 2

CCD stands for ________.

Accepted Answer

charge-coupled device

Answer

capacitor charging device

Answer

capacitor-capacitor drain

Answer

charged-capacitor device

Question 3

What is the major difference between SRAM and DRAM?

Accepted Answer

DRAMs must be periodically refreshed.

Answer

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

Answer

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

Answer

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

Question 4

Which of the following best describes volatile memory?

Accepted Answer

memory that loses stored information when electrical power is removed

Answer

memory that retains stored information when electrical power is removed

Answer

magnetic memory

Answer

nonmagnetic

Question 5

What is a major disadvantage of RAM?

Accepted Answer

It is volatile.

Answer

Its access speed is too slow.

Answer

Its matrix size is too big.

Answer

High power consumption

Question 6

What two functions does a DRAM controller perform?

Accepted Answer

address multiplexing and the refresh operation

Answer

address multiplexing and data selection

Answer

data selection and the refresh operation

Answer

data selection and CPU accessing

Question 7

Dynamic memory cells store a data bit in a ________.

Accepted Answer

capacitor

Answer

diode

Answer

resistor

Answer

flip-flop

Question 8

Which is not part of a hard disk drive?

Accepted Answer

Valve

Answer

Spindle

Answer

Platter

Answer

Read/write head

Question 9

ROMs retain data when the ________.

Accepted Answer

all of the above

Answer

power is off

Answer

power is on

Answer

system is down