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MCQ – Computer Memory Questions and Answers | Storage – Digital Electronics

Computer Memory Questions

Computer Memory Questions and Answers that are generally asked in computer aptitude section of various competitive examinations is given here. Computer Memory MCQ related to Storage and Digital Electronics helps you in learning the fundamentals of computers. So, candidates must go through these important questions and prepare for the exams to gain good marks.

Answers for these given Computer Memory Questions are mentioned at the last section of this page. Individuals must practice by choosing a correct option from the list of choices and match their selected choice with the answers mentioned at the end of this page.

Computer Memory Questions

Answers for these questions are available at the end.

Question 1) What is the permanent memory built into your computer called?





Question 2) Storage which stores or retains data after power off is called-

(A) Volatile storage

(B)Non-volatile storage

(C)Sequential storage

(D)Direct storage

Question 3) The contents of memory into blocks of the same size is called as:




(D)All of above

Question 4) A permanent memory, which halls data and instruction for start-up the computer and does not erase data after power off.

(A) Network interface card




(E)None of these

Question 5) Main memory of computer is –

(A) Internal


(C)(A) and (B)both


(E)None of these

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Question 6) Which of the following memories must be refreshed many times per second?



(C)Static RAM

(D)Dynamic RAM

Question 7) A half byte is known as_____.

(A) data


(C)half byte


Question 8) USB-type storage device is –

(A) Secondary




Question 9) Which device is used to back up the data?

(A) Floppy Disk


(C)Network Drive.

(D)All of the above

Question 10) Which of the following places the common data elements in order from smallest to largest?

(A) Character, File, Record, Field, Database, File

(B)Character, Record, Field, Database, File

(C)Character, Field, Record, File, Database

(D)Bit, Byte, Character, Record, Field, File, Database

(E)None of these

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Question 11) A Winchester disk is a_________.

(A) disk stack

(B)removable disk

(C)flexible disk

(D)All of these

(E)None of these

Question 12) With a CD you can………..

(A) read


(C)read and write

(D)either read or write

(E)None of these

Question 13) Flash memory is also called as __________.

(A) Flash RAM

(B)Flash ROM

(C)Flash DRAM

(D)Flash DROM

Question 14) RAM is a…….memory.

(A) external




Question 15) Permanent instructions that the computer uses when it is turned on and that cannot be changed by other instructions are contained in-






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Question 16) __________ is the permanent memory built into your computer called.





Question 17) Flash is …………….

(A) Software





Question 18) Magnetic tape is not practical for applications where data must be quickly recalled because tape is __________.

(A) A random-access medium

(B)A sequential-access medium

(C)A read-only medium

(D)An expensive storage medium

Question 19) Hard disc drives are considered………storage-

(A) Flash




(E)None of these

Question 20) What is the main advantage of magnetic core memory over semiconductor RAM memory?

(A) More compact and smaller

(B)More economical

(C)A bit does not have to write after reading


Computer Memory Storage – Digital Electronics Questions

Question 21) How many address bits are needed to select all memory locations in the 2118 16K × 1 RAM?

(A) 8

(B) 10

(C) 14

(D) 16

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Question 22) The check sum method of testing a ROM:

(A) Indicates if the data in more than one memory location is incorrect.

(B) Provides a means for locating and correcting data errors in specific memory locations.

(C) Allows data errors to be pinpointed to a specific memory location.

(D) Simply indicates that the contents of the ROM are incorrect.

Question 23) The storage element for a static RAM is the ________.

(A) Diode

(B) Resistor

(C) Capacitor

(D) Flip-flop

Question 24) The condition occurring when two or more devices try to write data to a bus simultaneously is called ________.

(A) address decoding

(B) bus contention

(C) bus collisions

(D) address multiplexing

Question 25) In a DRAM, what is the state of R/W during a read operation?

(A) Low

(B) High

(C) Hi-Z

(D) None of the above

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Question 26) One of the most important specifications on magnetic media is the ________.

(A) rotation speed

(B) tracks per inch

(C) data transfer rate

(D) polarity reversal rate

Question 27) Which is/are the basic refresh mode(s) for dynamic RAM?

(A) Burst refresh

(B) Distributed refresh

(C) Open refresh

(D) Burst refresh and distributed refresh

Question 28) How many 2K × 8 ROM chips would be required to build a 16K × 8 memory system?

(A) 2

(B) 4

(C) 8

(D) 16

Question 29) What is the maximum time required before a dynamic RAM must be refreshed?

(A) 2 ms

(B) 4 ms

(C) 8 ms

(D) 10 ms

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Question 30) Which is not a removable drive?

(A) Zip

(B) Jaz

(C) Hard

(D) SuperDisk


Ans1) (B)Ans11) (A)Ans21) (C)
Ans2) (B)Ans12) (A)Ans22) (D)
Ans3) (D)Ans13) (A)Ans23) (D)
Ans4) (D)Ans14) (D)Ans24) (B)
Ans5) (A)Ans15) (A)Ans25) (B)
Ans6) (D)Ans16) (A)Ans26) (C)
Ans7) (D)Ans17) (A)Ans27) (D)
Ans8) (A)Ans18) (B)Ans28) (C)
Ans9) (D)Ans19) (B)Ans29) (A)
Ans10) (C)Ans20) (D)Ans30) (C)

Computer Memory Questions and Answers provided on this page is well written by the team members of Individuals must go through these selected questions once, before appearing for the actual competitive examination.

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