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30 Top Interview Computer Memory Mcqs Quetions with _PDF Set-4 _ Computer Memory

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Computer Memory MCQS
Set-4
       PDF Download  Click Here

1.  Which of the following memories must be refreshed many times per second?
a. Static RAM              b. Dynamic RAM               c. EPROM
d. ROM                          e. None of these
2.  RAM stands for
a. Random origin money     b. Random only memory
c. Read only memory           d. Random access memory
e. None of these
3. Which of the following is a temporary primary memory?
A PROM                        B.RAM                  C.EPROM
D.ROM                          E. None of these
4.  Which of the following is used as a primary storage device?
a. Magnetic drum     b. PROM               c. Floppy disk
d. All of these             e. None of these
5. Which of the following memories not needs refresh?
a. SRAM                        b. DRAM               c. ROM
d. All of above            e. None of these
6. Which statement is valid?
a. 1KB = 1024 bytes                                b. 1 MB=2048 bytes
c. 1 MB = 10000 kilobytes    d. 1 KB = 100 bytes
e. None of these
7. A name or number used to identify a storage location devices?
a. A byte                       b. A record          c. An address
d. All of above            e. None of these
8. Which of the following is a primary storage device?
a. Magnetic tape       b. Magnetic disk  c. Optical disk
d. Hard disk       e. None of these
9. The two kinds of main memory are:
A) Primary and secondary   B) Random and sequential 
C) ROM and RAM                      D) All of above
E. None of these
10. High density double sided floppy disks could store _____ of data
A) 1.40 MB                  B) 1.44 GB          C) 1.40 GB 
D) 1.44 MB                  E) None of these
11. Magnetic disks are the most popular medium for
A) Direct access                        B) Sequential access 
C) Both of above                       D) None of above 
E.) None of these
12. CD-ROM stands for
a. Compactable Read Only Memory
b. Compact Data Read Only Memory
c. Compactable Disk Read Only Memory
d. Compact Disk Read Only Memory
e. None of these
13. A gigabyte is equal to 
 a 1024 bytes                             b million megabytes
c thousand kilobytes               d 1024 megabytes
e. None of these
14. Select the smallest memory size.

(a) Terabyte               (b) Gigabyte       (c) Kilobyte
 (d) Megabyte            e. None of these
15. The memory which is utmost accessible to the processor :
(a) Cache memory   (b) RAM              (c) Hard disk
(d) Flash memory    (e) None of these
16. Which computer memory is used for storing programs and data currently being processed by the CPU?
a. Mass memory                          b. Internal memory 
c. Non-volatile memory           d. PROM
e. None of these
17. The program which are as permanent as hardware  and stored in ROM is known as..
a. Hardware               b. Software          c. Firmware
d. All of the above  e. none of these
18. Before a disk drive can access any sector record, a computer program has to provide the record’s disk address. What information does this address specify?
a. Track number       b. Sector number   c. Surface number
d. All of above            e. None of these.

19. A storage area used to store data to a compensate for the difference in speed at which the different units can handle data is
a. Memory                   b. Buffer               c. Accumulator
d. Address                   e. None of these.
20. Instructions and memory address are represented by
a. Character code     b. Binary codes c. Binary word  
d. Parity bit                                e. None of these
21. Virtual memory is –
(1) an extremely large main memory
(2) an extremely large secondary memory
(3) an illusion of an extremely large memory
(4) a type of memory used in super computers
(5) None of these
22. Fragmentation is -
(1) dividing the secondary memory into equal sized fragments
(2) dividing the main memory into equal size fragments
(3) fragments of memory words used in a page
(4) fragments of memory words unused in a page
(5) None of these
23. Which of the following are real time systems?
(A) an on-line real reservation system
(B) a process control system
(C) Aircraft control system
(D) Payroll processing system
(1) A and B (2) C and D
(3) B and C (4) A, B, C and D
(5) None of these
24. Which of the following is a service not supported by the operating system?
(1) Protection (2) Accounting
(3) Compilation (4) I/O Operation
(5) None of these
26. Bootstrap loader is always stored in-
(1) Cache (2) ROM
(3) RAM (4) Disk
(5) None of these
27. Which memory unit has lowest access time?
(1) Cache (2) Registers
(3) Magnetic Disk (4) Main Memory
(5) Pen drive
28. Copying computer program / software without permission of its author is called-
(1) High way robbery (2) Larcency
(3) Software piracy (4) Embezzlement
(5) None of these
29. Cache memory-
(1) has greater capacity than RAM
(2) is faster to access than CPU Registers
(3) is permanent storage
(4) faster to access than RAM
(5) None of these
30. When more than one processes are running concurrently on a system-
(1) batched system
(2) real-time system
(3) multi programming system
(4) multiprocessing system
(5) None of these

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Answer Sheet
1
2
3
4
5
6
7
8
9
10
B
D
B
B
A
A
C
E
C
D
11
12
13
14
15
16
17
18
19
20
C
D
D
C
A
B
C
D
B
B
21
22
23
24
26
27
28
29
30

B
A
C
C
B
B
C
D
D



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