Memory and Storage MCQs

Question 1

EEPROM stands for ________.

Accepted Answer

electrically erasable programmable read-only memory

Answer

encapsulated electrical programmable read-only memory

Answer

elementary electrical programmable read-only memory

Answer

elementary erasable programmable read-only memory

Question 2

L1 is known as ________.

Accepted Answer

primary cache

Answer

secondary cache

Answer

DRAM

Answer

SRAM

Question 3

Describe the timing diagram of a write operation.

Accepted Answer

First the data is set on the data bus and the address is set, then the write pulse stores the data.

Answer

First the address is set, then the data is set on the data bus, and finally the read pulse stores the data.

Answer

First the write pulse stores the data, then the address is set, and finally the data is set on the data bus.

Answer

First the data is set on the data bus, then the write pulse stores the data, and finally the address is set.

Question 4

What is the bit storage capacity of a ROM with a 1024 × 8 organization?

Accepted Answer

8192

Answer

1024

Answer

2048

Answer

4096

Question 5

Which of the following is one of the basic characteristics of DRAMs?

Accepted Answer

DRAMs must be periodically refreshed in order to be able to retain data.

Answer

DRAMs must have a constantly changing input.

Answer

DRAMs have a broader "dynamic" storage range than other types of memories.

Answer

DRAMs are simpler devices than other types of memories.

Question 6

The main advantage of semiconductor RAM is its ability to:

Accepted Answer

be written to and read from rapidly

Answer

retain stored data when power is interrupted or turned off

Answer

be randomly accessed

Answer

be sequentially accessed

Question 7

Which of the following describes the action of storing a bit of data in a mask ROM?

Accepted Answer

A 1 is stored by connecting the gate of a MOS cell to the address line.

Answer

A 1 is stored in a bipolar cell by opening the base connection to the address line.

Answer

A 0 is stored in a bipolar cell by shorting the base connection to the address line.

Answer

A 0 is stored by connecting the gate of a MOS cell to the address line.

Question 8

Address decoding for dynamic memory chip control may also be used for:

Accepted Answer

chip selection and address location

Answer

controlling refresh circuits

Answer

read and write control

Answer

memory mapping

Question 9

Assume a ROM to be tested is compared with a known good ROM. If the checksums differ, the ROM is ________.

Accepted Answer

definitely bad

Answer

very likely to be good

Answer

definitely good

Answer

very likely to be bad