Memory and Storage MCQs

Question 1

How many address bits are needed to select all memory locations in the 2118 16K × 1 RAM?

Accepted Answer

14

Answer

8

Answer

10

Answer

16

Question 2

The check sum method of testing a ROM:

Accepted Answer

allows data errors to be pinpointed to a specific memory location.

Answer

indicates if the data in more than one memory location is incorrect.

Answer

provides a means for locating and correcting data errors in specific memory locations.

Answer

simply indicates that the contents of the ROM are incorrect.

Question 3

What is the meaning of RAM, and what is its primary role?

Accepted Answer

Random Access Memory; it is the memory used for short-term temporary data storage within the computer.

Answer

Readily Available Memory; it is the first level of memory used by the computer in all of its operations.

Answer

Random Access Memory; it is memory that can be reached by any sub- system within a computer, and at any time.

Answer

Resettable Automatic Memory; it is memory that can be used and then automatically reset, or cleared, after being read from or written to.

Question 4

The storage element for a static RAM is the ________.

Accepted Answer

flip-flop

Answer

diode

Answer

resistor

Answer

capacitor

Question 5

In a DRAM, what is the state of R/W during a read operation?

Accepted Answer

High

Answer

Low

Answer

Hi-Z

Answer

None of the above

Question 6

The condition occurring when two or more devices try to write data to a bus simultaneously is called ________.

Accepted Answer

bus contention

Answer

address decoding

Answer

bus collisions

Answer

address multiplexing

Question 7

Which is/are the basic refresh mode(s) for dynamic RAM?

Accepted Answer

Burst refresh and distributed refresh

Answer

Burst refresh

Answer

Distributed refresh

Answer

Open refresh

Question 8

One of the most important specifications on magnetic media is the ________.

Accepted Answer

data transfer rate

Answer

rotation speed

Answer

tracks per inch

Answer

polarity reversal rate

Question 9

A 64-bit word consists of ________.

Accepted Answer

8 bytes

Answer

4 bytes

Answer

10 bytes

Answer

12 bytes