Semiconductor Memory MCQs

Question 1

A computerized self-diagnostic for a ROM test uses:

Accepted Answer

the check-sum method

Answer

a ROM listing

Answer

ROM comparisons

Answer

a checkerboard test

Question 2

How many storage locations are available when a memory device has twelve address lines?

Accepted Answer

4096

Answer

144

Answer

512

Answer

2048

Question 3

Which of the following memories uses a MOSFET and a capacitor as its memory cell?

Accepted Answer

DRAM

Answer

SRAM

Answer

ROM

Answer

DROM

Question 4

Which of the following best describes nonvolatile memory?

Accepted Answer

memory that retains stored information when electrical power is removed

Answer

memory that loses stored information when electrical power is removed

Answer

magnetic memory

Answer

nonmagnetic memory

Question 5

The access time (tacc) of a memory IC is governed by the IC's:

Accepted Answer

internal address decoder

Answer

internal address buffer

Answer

volatility

Answer

internal address decoder and volatility

Question 6

Select the best description of read-only memory (ROM).

Accepted Answer

nonvolatile, used to store information that does not change during system operation

Answer

nonvolatile, used to store information that changes during system operation

Answer

volatile, used to store information that changes during system operation

Answer

volatile, used to store information that does not change during system operation

Question 7

Advantage(s) of an EEPROM over an EPROM is (are):

Accepted Answer

the EEPROM can erase and reprogram individual words without removal from the circuit

Answer

the EPROM can be erased with ultraviolet light in much less time than an EEPROM

Answer

the EEPROM can be erased and reprogrammed without removal from the circuit

Answer

the EEPROM has the ability to erase and reprogram individual words

Question 8

Which of the following RAM timing parameters determine(s) its operating speed?

Accepted Answer

t1 and t3

Answer

tacc

Answer

taa and tacs

Answer

trc and twc

Question 9

Memory that loses its contents when power is lost is:

Accepted Answer

volatile

Answer

nonvolatile

Answer

random

Answer

static