Computer Memory Questions and Answers (Storage MCQ)

Computer memory questions and answers. Storage related GK MCQ Question answer PDF. Objective multiple choice MCQs for competitive exams.

1. Computer Memory and Storage Related Questions

1. Cache memory is used as a ___________memory.
a) primary b) secondary c) territory d) Scratch
Ans. d

2. MSB stands for_____.
a) mobile source bit b) most significant bit
c) module significant bit d) more social bit
Ans. b

3. LSB stands for______.
a) localHeetson bit b) local significant bit
c) least significant bit d) large significant Heetson
Ans. c

4. _____ can be treated as the waiting room for the computers processor.
Ans. RAM

5. _______ store data or information temporarily and pass it on as directed by the control unit.
Ans. Register

6. Common type of storage devices are_____
Ans. Optical

7. _____ files contains permanent data and gets updated during the processing of Transactions.
Ans. Master

8. ______ helps to protect Floppy disks from data getting accidentally erased.
Ans. Write Protect notch

9. _____ memory is having more memory addresses than are physically available.
Ans. Virtual

2. 10. A ______ is a location for storing files on your computer.
Ans. Directory

11. RAM memory space is divided into _____.
Ans. Backs

12. Decoder decodes the _______ address.
Ans. Memory

13.Main memory ______ data after power off.
(a) retains (b) remembers
(c) does not keep (d) keeps all
Ans. c

14.Since main memory looses data after power off, it is called ______.
(a) data storage (b) volatile storage
(c) power storage (d) secondary storage
Ans. b

15.SRAM stands for ____.
(a) Static Random Access Memory
(b) Stable Random Access Memory
(c) Static Read Access Memory
(d) Static Random Arithmetic Memory
Ans. a

16.DRAM stands for _____.
(a) Draft Random Access Memory
(b) Direct Random Access Memory
(c) Disk Random Access Memory
(d) Dynamic Random Access Memory
Ans. d

17.FPM DRAM stands for _____.
(a) First Page Mode Dynamic Random Access Memory
(b) Fast Page Mode Dynamic Random Access Memory
(c) Fill Page Mode Dynamic Random Access Memory
(d) Fast Package Mode Dynamic Random Access Memory
Ans. b

18. EDO DRAM stands for _____.
(a) Extended Disk Out Dynamic Random Access Memory
(b) Expanded Data Out Dynamic Random Access Memory
(c) Extended Data Out Dynamic Random Access Memory
(d) Extended Data Onboard Dynamic Random Access Memory
Ans. c

19.SDRAM stands for _____.
(a) Synchronous Dynamic Random Access Memory
(b) Simple Dynamic Random Access Memory
(c) Synchronous Double Random Access Memory
(d) Syntax Dynamic Random Access Memory
Ans. A

3. 20. DDR SDRAM stands for _____.
(a) Double Data Rate Synchronous Dynamic Random Access Memory
(b) Double Data Rate Simple Dynamic Random Access Memory
(c) Double Data Rate Synchronous Double Random Access Memory
(d) Double Data Rate Syntax Dynamic Random Access Memory
Ans. a

21.RDRAM stands for ______.
(a) Resultant Random Access Memory
(b) Reactive Random Access Memory
(c) Rational Random Access Memory
(d) Rambus Random Access Memory
Ans. d

22.VRAM stands for _____.
(a) Visual Random Access Memory (b) Video Random Access Memory
(c) Virtual Random Access Memory (d) Vintage Random Access Memory
Ans. b

23.MPDRAM stands for ____.
(a) Major Port Dynamic Random Access Memory
(b) Multi-Point Dynamic Random Access Memory
(c) Multi-Port Dynamic Random Access Memory
(d) Multi-Port Data Random Access Memory
Ans. c

24.SGRAM stands for _____.
(a) Synchronous Graphics Random Access Memory
(b) Syntax Graphics Random Access Memory
(c) Simple Graphics Random Access Memory
(d) Synchronous Gross Random Access Memory
Ans. a

25.CD/DVD drive uses _______ for data storage and retrieval.
(a) LASER beam acting on light sensitive layer
(b) magnetic disk mounted in spindle
(c) flash memory
(d) plastic magnetic plate
Ans. a

26.SD card, mini SD card and micro SD card use _____ for data storage and retrieval.
(a) LASER beam acting on light sensitive layer
(b) magnetic disk mounted in spindle
(c) flash memory
(d) plastic magnetic plate
Ans. c

27.Floppy disk used_______ for data storage and retrieval.
(a) LASER beam acting on light sensitive layer
(b) magnetic disk mounted in spindle
(c) ash memory
(d) plastic magnetic plate
Ans. d

4. 28.Mini SD card is expanded as ______.
(a) Secure Digital Card
(b) Mini Secure Digital Card
(c) Micro Secure Digital Card
(d) Major Secure Digital Card
Ans. b

29.Micro SD card is expanded as _____.
(a) Secure Digital Card (b) Mini Secure Digital Card
(c) Micro Secure Digital Card (d) Major Secure Digital Card
Ans. c

30.PCMCIA stands for ______.
(a) Protected Computer Memory Card International Association
(b) Personal Computer Memory Card International Association
(c) Personal Complementary Memory Card International Association
(d) Pen drive Computer Memory Card International Association
Ans. b

31.The smallest storage unit permitting storage of 0 and 1 is called ______.
(a) bit (b) nibble
(c) byte (d) kilo byte
Ans. a

32.One bit can store ______ range of values.
(a) 0 or 1 (b) 0 to 255
(c) 0 to 512 (d) 0 to 1024
Ans. a

33.4 bits of memory is called _____.
(a) bit (b) nibble
(c) byte (d) kilo byte
Ans. b

34.Nibble is a storage unit consisting of ____ bits.
(a) 8 (b) 16
(c) 4 (d) 64
Ans. c

35.8 bits of memory is called ______.
(a) bit (b) nibble
(c) byte (d) kilo byte
Ans. c

36.Byte is a storage unit consisting of ____ bits.
(a) 8 (b) 16 (c) 4 (d) 64
Ans. a

37.1024 KB of storage is called ______.
(a) byte (b) Kilo Byte (KB)
(c) Mega Byte (MB) (d) Tera Byte (TB)
Ans. c

5. 38.1 MB = ______ KB.
(a) 1024
(b) 1048576
(c) 1073741824
(d) 1099511627776
Ans. a

39.1 MB = _____ bits.
(a) 1024 (b) 1048576
(c) 1073741824 (d) 1099511627776
Ans. b

40.1024 MB of storage is called _______.
(a) byte (b) Kilo Byte (KB)
(c) Mega Byte (MB) (d) Tera Byte (TB)
Ans. d

41.1 TB = ______ MB.
(a) 256 (b) 512
(c) 1024 (d) 2048
Ans. c

42.1024 TB = 1______.
(a) Mega Byte (MB)
(b) Tera Byte (TB)
(c) Peta Byte (PB)
(d) Exa Byte (EB)
Ans. c

43.1 PB = 1024 _____.
(a) Mega Byte (MB)
(b) Tera Byte (TB)
(c) Peta Byte (PB)
(d) Exa Byte (EB)
Ans. b

44.1024 PB = 1 ______.
(a) Mega Byte (MB)
(b) Tera Byte (TB)
(c) Peta Byte (PB)
(d) Exa Byte (EB)
Ans. d

45.1 EB (Exa Byte) = 1024 _____.
(a) Mega Byte (MB) (b) Tera Byte (TB)
(c) Peta Byte (PB) (d) Exa Byte (EB)
Ans. c

46.The storage capacity of a Secure Digital (SD) card/ Mini SD card/ Micro SD card or pen drive
can be in the range of ______.
(a) 1 bit to 8 bits (b) 4 bits to 8 bits
(c) 2GB to 128GB (d) 1 MB to 1024MB
Ans. c

6. 47.Permitting storage of files on a web based server is called _____.
(a) cloud storage
(b) local storage
(c) email storage
(d) had disk storage
Ans. a

48.Cloud storage can be accessed from any host having a ______.
(a) RS232 port (b) Internet connection
(c) USB port (d) VGA port
Ans. b

49.Documents in Microsoft One Drive can be edited using _____.
(a) online version of Microsoft office tools using browser
(b) installed version of Microsoft office tools
(c) both a & b
(d) none of them
Ans. c

50. A permanent memory, which hold data and instructions for start-up the computer and does not
erase data after power off.
a) Network interface card
b) CPU
c) RAM
d) ROM
Ans. d

51. Which of the following memories must be refreshed many times per second?
a) EPROM
b) ROM
c) Static RAM
d) Dynamic RAM
Ans. d

52. USB-type storage device is –
a) Secondary
b) Axilary
c) Tertiary
d) Primary
Ans. a

53. 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
Ans. c

54. Which device is used to back-up the data?
a) Floppy Disk b) Tape
c) Network Drive d) All of these
Ans. d

7. 55. Main memory of computer is –
a) Internal b) External
c) Both A and B d) Auxiliary
Ans. a

56. What is the permanent memory built into your computer called?
a) RAM b) ROM
c) CPU d) CD-ROM
Ans. b

57. With a CD you can _____
a) Read
b) write
c) Read and write
d) either read or write
Ans. a

58. 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
Ans. b

59. 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
d) Non-volatile
Ans. d

60. Hard disk drives are considered _____ storage
a) Flash
b) Non-Volatile
c) Temporary
d) Non-permanent
Ans. b


61. Permanent instructions that the computers uses when it is turned on and that cannot be
changed by other instructors are contained in –
a) ROM
b) RAM
c) ALU
d) CPU
Ans. a

62. A Winchester disk is a ______.
a) disk stack b) removable disk
c) flexible disk d) all of these
Ans. A

8. 63. Typical acronym of reusable optical storage will be ….
a) CD b) CD – RW
c) DVD d) RPM
Ans. b

64. Data gathering in computer means, they allow to use ____ data.
a) Present b) Input
c) Output d) Store
Ans. d

65. When we work on any document on PC, it is stored temporarily on –
a) RAM
b) ROM
c) CPU
d) Flash memory
Ans. a

66. The faster, costlier and relatively small from of storage managed by computer system
hardware is:
a) Main memory
b) Flash memory
c) Cache
d) Disk
Ans. c

67. The analytical engine used ____ as a memory unit.
a) RAM
b) Floppies
c) Cards
d) Counter wheels
Ans. d

68. Breaking logical memory into blocks of the same size is called as:
a) Frames
b) Segments
c) Packets
d) Pages
Ans. d

69. Where data will remain intact even when the computer is turned of
a) RAM
b) Mother board
c) Secondary storage device
d) Primary storage device
Ans. c

70. For permanent memory in computer objects used are –
a) Floppy disk
b) Magnetic tape
c) Hard disk
d) Optical disk
e) All of these
Ans. E

9. 71. Main memory works in conjunction with _____
a) RAM b) CPU c) Graphics card d) LAN
Ans. b

72. A nonvolatile type of memory that can be programmed and erased in sectors, rather than one
byte at a time is:
a) Flash memory b) MPROM
c) EPROM d) EEPROM
Ans. a

73. Memory that loses its contents when power is lost is:
a) random
b) volatile
c) nonvolatile
d) static
Ans. b

74. When power is supplied to the system then to maintain data with the life of battery, computer
BIOS contains the following.
a) CMOS
b) RAM
c) DRAM
d) CPU
Ans. a

75. The two kind of main memory are
a) ROM
b) direct and sequential
c) primary and secondary
d) Floppy disk and hard disk
Ans. c

76. Which one is the secondary memory device?
a) CPU
b) ALU
c) Floppy disk
d) Mouse
Ans. c

77. Which of the following is an example of non-volatile memory?
a) ROM b) VLSI
c) LSI d) RAM
Ans. a

78. The term “memory” applies to which one of the following?
a) Logic b) Storage
c) Control d) Input device
Ans. b

79. The work ‘computer’ usually refers to the central processor unit plus
a) external memory b) internal memory
c) input device d) output device
Ans. B

10. 80. What are the two basic types of memory that your computer uses?
a) RAM/ROM b) RW/RAM
c) ROM d) ERAM
Ans. a

81. Which of the following memories below is often used in typical computer operation?
a) DRAM
b) ROM
c) FDD
d) HDD
Ans. a

82. The storage that supplements the primary internal storage of a computer is known as
a) secondary storage
b) primary storage
c) back-end storage
d) background storage
Ans. c

83. ______ is a form of permanent memory that holds all the instructions the computer needs to
start up and does not get erased when the power is turned off.
a) The network interface card
b) The CPU
c) RAM
d) ROM
Ans. d

84. What is the name given to the memory which works on time sharing principle in order to create
an illusion of infinite memory space?
a) Cache memory b) Register c) Virtual memory d) Primary memory
Ans. c

85. Which contents are lost when the computer turns off?
a) Storage
b) Input
c) Output
d) Memory
Ans. d

86. The following computer’s memory is characterised by low cost per bit stored _______
a) Primary b) Secondary c) Hard disk d) All of these
Ans. b

87. A memo data type of access can hold _____ characters.
a) 31000 b) 32000 c) 33000 d) 34000
Ans. b

88. The main advantage of semiconductor RAM is its ability to:
a) retain stored data when power is interrupted or turned off
b) be written to and read from rapidly
c) be randomly accessed
d) be sequentially accessed
Ans. B

11. 89. Which of the following is one of the basic characteristics of DRAM’s?
a) DRAMs must have a constantly changing input.
b) DRAMs must be periodically refreshed in order to be able to retain data.
c) DRAMs have a broader “dynamic” storage range than other
d) DRAMs are simpler devices than other types of memories.
Ans. b

90. Which of the following memories not needs refresh?
a) SRAM
b) DRAM
c) ROM
d) All of these
Ans. a

91. Which statement is valid?
a) 1 KB = 1024 bytes
b) 1 MB = 2048 bytes
c) 1 MB = 10000 kilobytes
d) 1 KB = 100 bytes
Ans. a

92. A name or number used to identify a storage location devices?
a) A byte
b) A record
c) An address
d) All of these
Ans. c

93. High density double sided floppy disks could store ____ of data
a) 1.40 MB
b) 1.44 GB
c) 1.44 MB
d) 1.40 GB
Ans. c

94. CD – ROM stands for
a) Compactable Read only memory
b) Compact Data Read only memory
c) Compact Disk Read only memory
d) Compact Disk Read only memory
Ans. d

95. Select the smallest memory size.
a) Terabyte b) Gigabyte
c) Kilobyte d) Megabyte
Ans. c

96. 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 these
Ans. d

12. 97. 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
Ans. b

98.Instructions and memory address are represented by
a) Character code
b) Binary codes
c) Binary word
d) Parity bit
Ans. b

99. Fragmentation is –
a) dividing the secondary memory into equal sized fragments
b) dividing the main memory into equal size fragments
c) fragments of memory words used in a page
d) fragments of memory words unused in a page
Ans. a

100. Bootstrap loader is always stored in –
a) Cache b) ROM
c) RAM d) Disk
Ans. b

101. Which memory unit has lowest access time?
a) Cache
b) Register
c) Magnetic Disk
d) Main memory
Ans. b

102. Copying computer program/ software without permission of its author is called –
a) High way robbery
b) Larcencyheetson
c) Software piracy
d) Embezzlement
Ans. c

103. Cache memory –
a) has greater capacity than RAM
b) is faster to access than CPU register
c) is permanent storage
d) faster to access than RAM
Ans. d

104. The memory implemented using the semiconductor chips is ____
a) Cache b) Main c) Secondary d) Registers
Ans. b

13. 105. Size of the _____ Memory mainly depends on the size of the address bus.
a) Main
b) Virtual
c) Secondary
d) Cache
Ans. a

106. Which of the following is independent of the address bus?
a) Secondary memory
b) Main memory
c) Onboard memory
d) Cache memory
Ans. a

107. _______ storage is a system where a robotic arm will connect or disconnect off-line mass
storage media according to the computer operating system demands.
a) Secondary
b) Virtual
c) Tertiary
d) Magnetic
Ans. c

108. What is the location of the internal registers of CPU?
a) Internal
b) On – chip
c) External
d) Motherboard
Ans. b

109. All of the following are non volatile memory except
a) ROM
b) PROM
c) flash memory
d) RAM
Ans. d

110. Computer memory is measured in terms of
a) bits
b) bytes
c) cells
d) units
Ans. b

111. A nibble is composed of
a) 8 bits b) 4 bits
c) 2 bits d) 6 bits
Ans. b

112. Data is written to and read from the disk via a magnetic _____ head mechanism in the floppy
drive.
a) cylinder b) read/write
c) cluster d) recordable
Ans. b

14. 113. What is the difference between static RAM and dynamic RAM?
a) Static RAM must be refreshed, dynamic RAM does not.
b) Dynamic RAM must be refreshed, static RAM does not.
c) There is no difference
d) Both A and B
Ans. b

114. Advantage of an EEPROM over an EPROM is/are:
a) The EEPROM has the ability to erase and reprogram individual words
b) The EEPROM can be erased with ultraviolet light in much less time than an EEPROM
c) The EEPROM can be erased and reprogrammed without removal from the circuit
d) The EEPROM can be erased and reprogrammed without removal from the circuit, and can be
erase and reprogram individual words
Ans. d

115. The mask ROM is _____
a) MOS technology
b) diode technology
c) resister diode technology
d) DROM technology
Ans. a

116. The storage element for a static RAM is the _____
a) diode
b) resistor
c) capacitor
d) flip-flop
Ans. d

117. 1024 bits of storage is called _____ .
(a) bit
(b) nibble
(c) byte
(d) kilo byte
Ans. d

118. Which of the following medium is used between CPU & RAM to speed up the processing
power of a CPU?
a) Virtual memory
b) D RAM
c) Flash Memory
d) Cache Memory
Ans. d

1. MAR stands for _____
a) Memory address register
b) Main address register
c) Main accessible register
d) Memory accessible register

2. Which type of ROM can be erased by an electrical signal?
a) ROM b) EPROM c) mask ROM d) EEPROM

15. 3. The program which are as permanent as hardware and stored in ROM is known as.
a) Hardware
b) Software
c) Firmware
d) All of these

4. One nibble is equal to how many bits?
a) 4 bits
b) 8 bits
c) 12 bits
d) 16 bits

5. Data and program stored in ______ memory when the Processor uses them.
a) Main
b) Secondary
c) Tertiary
d) None

6. Bit is a short form of ______.
a) Binary digit
b) Nibble
c) Byte
d) Register

7.The storage which handles data required for the processor (by fetching data from or saving data
to secondary storage) is called ______.
(a) main memory
(b) primary storage/ volatile storage
(c) Random Access Memory (RAM)
(d) all of them

8.RAM is expanded as _____.
(a) Right Access Memory
(b) Random Active Memory
(c) Random Access Memory
(d) Random Access Meter

9. Secondary storage is otherwise called _____.
(a) auxiliary storage (b) permanent storage
(c) both a & b (d) main memory

10. Data store in secondary storage is ____.
(a) volatile
(b) lost after power off
(c) is deleted after every reboot
(d) permanent (available till deletion)

11. Hard disk uses ______ for data storage and retrieval.
(a) LASER beam acting on light sensitive layer
(b) magnetic disk mounted in spindle
(c) flash memory
(d) plastic magnetic plate

16. 12. SD card is expanded as ______.
(a) Secure Digital Card
(b) Mini Secure Digital Card
(c) Micro Secure Digital Card
(d) Major Secure Digital Card

13. The storage capacity of a Compact Disk (CD) is ______ .
(a) 700MB (b) 4.7GB
(c) 512MB (d) 1TB

14. The storage capacity of a Digital Versatile Disk (DVD) is ______.
(a) 800MB (b) 4.7GB
(c) 512MB (d) 1TB

15. Storage Capacity of a Blue Ray Disk is _____
(a) 25GB (b) 4.7GB
(c) 512MB (d) 1TB

16. The storage capacity of a common hard disk is _____.
(a) 256MB
(b) 512GB
(c) 1TB
(d) any one of a, b or c

17. Popular cloud storages are ______.
(a) Microsoft One Drive
(b) Google Drive
(c) Dropbox/ Apple iCloud
(d) all of them

18.Cloud storage can be accessed from _____.
(a) computers
(b) mobile devices
(c) both a & b
(d) none of them

19. Storage which stores or retains data after power off is called –
a) Volatile Storage
b) Non – Volatile storage
c) Sequential storage
d) Direct storage

20. A half byte is known as ______.
a) data
b) bit
c) half bit
d) nibble

21. What is the full form of ROM?
a) Read only memory
b) Read on Memory
c) Read only Menu
d) Recall only memory

17. 22. Virtual memory is _____.
a) Memory on the hard disk that the CPU uses an extended RAM
b) in RAM
c) only necessary if you do not have any RAM in your computer
d) a backup device for floppy disk

23. USB stands for –
a) Uniform service Bus b) Universal Serial Bus
c) Universe Service Bus d) Universel Service Bus

24. What is meant by the term RAM?
a) Memory which only be read
b) Memory which both read and written
c) Memory which is used for permanent storage
d) Memory which can only be written

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