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| Computer Memory Top 150+ MCQ For All Competitive Exam |
Computer Memory
1. Which of the following is the smallest entity of memory?
(a) Block
(b) Cell
(c) Instance
(d) Set
Ans - B
2. The primary memory (also called main memory) of a personal computer consists of
(a) RAM only
(b) ROM only
(c) both RAM and ROM
(d) Cache memory
Ans - C
3. The Boot sector files of the system are stored in which computer memory?
(a) RAM
(b) ROM
(c) Cache
(d) Register
Ans - B
4. Which of the following statements are not correct about the main memory of a computer?
(a) In main memory, data gets lost when power is switched off.
(b) Main memory is faster than secondary memory but slower than registers.
(c) They are made up of semiconductors.
(d) All are correct
Ans - D
5. What is the full form of RAM?
(a) Read Access Memory
(b) Random Access Memory
(c) Readable Access Memory
(d) Random Accumulator Memory
Ans - B
6. What is the full form of ROM?
(a) Read-Only Memory
(b) Random Only Memory
(c) Register Only Memory
(d) Readable Only Memory
Ans - A
7. RAM is _ _ _ _ _ _ and _ _ _ _ _.
(a) volatile, temporary
(b) non-volatile, temporary
(c) volatile, permanent
(d) non-volatile, permanent
Ans - A
8. Which of the following memory is non-volatile?
(a) RAM
(b) ROM
(c) Cache
(d) ROM and Cache
Ans - B
9. Which of the following is the lowest in the computer memory hierarchy?
(a) Cache
(b) RAM
(c) Secondary memory
(d) CPU registers
Ans - C
10. Which of the following has the fastest speed in the computer memory hierarchy?
(a) Cache
(b) Register in CPU
(c) Main memory
(d) Disk cache
Ans - B
11. Which memory acts as a buffer between CPU and main memory?
(a) RAM
(b) ROM
(c) Cache
(d) Storage
Ans - C
12. Which of the following statements are not correct about cache memory?
(a) Cache memory is used to store data temporarily.
(b) It holds that data and program which has to be executed within a short period of time.
(c) It consumes less access time as compared to the RAM.
(d) All are correct.
Ans - D
13. Which process is used to map logical addresses of variable length onto physical memory?
(a) Paging
(b) Overlays
(c) Segmentation
(d) Paging with segmentation
Ans - C
14. Which of the following is used to transfer data between the processor (CPU) and memory?
(a) Cache
(b) TLB
(c) Buffer
(d) Registers
Ans - D
15. Which computer memory chip allows simultaneous both read and write operations?
(a) ROM
(b) RAM
(c) PROM
(d) EEPROM
Ans - B
16. In which type of memory, once the program or data is written, it cannot be changed?
(a) EPROM
(b) PROM
(c) EEPROM
(d) None of these
Ans - B
17. In which type of ROM, data can be erased by ultraviolet light and then reprogrammed by the user or manufacturer?
(a) PROM
(b) EPROM
(c) EEPROM
(d) Both a and b
Ans - B
18. Which type of ROM is used for erasing purposes only?
(a) PROM
(b) EPROM
(c) EEPROM
(d) Both b and c
Ans - C
19. How many types of RAM are available?
(a) 4
(b) 3
(c) 2
(d) 5
Ans - C
20. What is the size of the computer accumulator register?
(a) 4 bit
(b) 4KB
(c) 4 bytes
(d) 8 bytes
Ans - C
21. Which of the following is an example of solid-state storage device?
(a) Hard Drive
(b) CD
(c) DVD
(d) USB Flash Drive
Ans - D
22. Which of the following is an example of volatile memory?
(a) Hard Driver
(b) RAM
(c) PROM
(d) Floppy Disk
Ans - B
23. The smallest unit of measuring data in the computer is
(a) Byte
(b) Kilobyte
(c) Nibble
(d) Bit
Ans - D
24. What happens when RAM is full in the computer?
(a) Cache memory is used
(b) The volatile memory is used
(c) An interrupt is raised
(d) Hard disk is used
Ans - B
25. Which of the following is primary memory (or main memory)?
(a) RAM
(b) ROM
(c) Secondary memory (also called auxiliary memory)
(d) Both a and b
Ans - D
26. The computer internal memory consists of
(a) Cache memory, registers
(b) CPU registers, main memory, cache memory
(c) Main memory, secondary memory
(d) Virtual memory, cache memory
Ans - B
27. Main memory (also called primary memory) store(s)
(a) Data alone
(b) Program alone
(c) Results alone
(d) All
Ans - D
28. Primary storage is . . . . . . . as compared to secondary storage.
(a) Slow and inexpensive
(b) Fast and inexpensive
(c) Fast and expensive
(d) Slow and expensive
Ans - C
29. Storage that stores or retains data/information permanently after power off is called
(a) Volatile storage
(b) Non-volatile storage
(c) Sequential storage
(d) Both a and b
Ans - B
30. Which of the following statement is true about secondary memory (auxiliary memory)?
(a) Secondary memory is non-volatile in nature that is slower than primary memories.
(b) It is also known as backup memory.
(c) Data is permanently stored even if power is switched off.
(d) All are correct
Ans - D
31. Which of the following is/are examples of non-volatile storage?
(a) Magnetic disks
(b) USB flash drive and Memory card
(c) Hard Drive
(d) All
Ans - D
32. The process of dividing the disk into tracks and sectors is called
(a) Tracking
(b) Crashing
(c) Dicing
(d) Formatting
Ans - D
33. The main memory of a personal computer can also be called
(a) Primary storage
(b) Internal memory
(c) Primary memory
(d) All of these
Ans - D
34. Cache loses its information when the power is off. This is because cache memory is
(a) Dynamic in nature
(b) Static in nature
(c) Volatile in nature
(d) Non-volatile in nature
Ans - C
35. Which of the following can be used as main memory?
(a) Compact disk
(b) Magnetic disk
(c) Hard disk
(d) None of these
Ans - D
36. How can you measure the speed of RAM?
(a) Capacity
(b) Bus width
(c) Bus speed
(d) Both b and c
Ans - D
37. RAM is volatile in nature because
(a) it can be used for both reading and writing operations.
(b) by which we can access from any location.
(c) it must need power supply continuously to retain data.
(d) it does not need power supply continuously.
Ans - C
38. Which of the following memory uses flip flop component?
(a) DRAM
(b) SRAM
(c) ROM
(d) SDRAM
Ans - B
39. In which of the following transistor and capacitor is used?
(a) SRAM
(b) DRAM
(c) SDRAM
(d) Both b and c
Ans - B
40. Which type of RAM can be used as cache memory?
(a) SRAM
(b) DRAM
(c) SDRAM
(d) Both a and b
Ans - A
41. What is computer memory?
A. device used to store information in computer
B. device to print output to screen
C. device to process data
D. None of these
Ans - A
42. Which of these memory devices can be removed from the computer?
A. Floppy
B. RAM
C. Hard disk
D. Register
Ans - A
43. Which of these is a storage device?
A. CD ROM
B. Resistor
C. Cache Memory
D. All of these
Ans - D
44. Which of these are considered as primary memory?
A. RAM
B. ROM
C. Cache
D. Both A and B
Ans - D
45. Which of these is not a feature of primary memory?
A. It is fast
B. It holds instructions for computer
C. It is volatile
D. All of these
Ans - C
46. What is RAM in a computer?
A. Primary memory that stores data at random memory location
B. Primary memory that stores data at contiguous memory location
C. Detachable memory to upgrade computer's storage
D. All of these
Ans - A
47. Which of these is a category of RAM?
A. Erasable RAM
B. Dynamic RAM
C. Programmable RAM
D. None of these
Ans - B
48. Which of these statements are correct for SRAM?
A. It needs refreshing
B. It uses capacitors to store data
C. It uses transistor to store data
D. None of these
Ans - C
49. Which of these devices use capacitors to store data?
A. SRAM
B. DRAM
C. ERAM
D. PRAM
Ans - B
50. What is ROM?
A. It is a memory device used to store data permanently
B. It is a volatile memory
C. It is a type of Secondary memory
D. All of these
Ans - A
51. Which of these is a type of ROM?
A. PROM
B. EPROM
C. EEPROM
D. All of these
Ans - D
52. Which of these are features of PROM?
A. It can be coded by the user
B. It is volatile memory
C. It can be erased
D. None of these
Ans - A
53. Which of these is a feature of EPROM?
A. It can be programmed by user
B. It is a non-volatile memory
C. It can be erased using UV light
D. All of these
Ans - D
54. EPROM's data can be erased using ___.
A. It can be directly reprogrammed
B. Heat
C. High Voltage Ultraviolet light
D. All of these
Ans - C
55. Which of these is not a feature of EEPROM?
A. Its data can be erased using electric charge
B. It can be programmed by user
C. It is a volatile memory
D. It is a primary memory
Ans - C
56. Which of these is a volatile memory?
A. EPROM
B. Hard Disk
C. RAM
D. All of these
Ans - D
57. Which of these are uses of ROM?
A. Embedded system
B. Coding for home appliances
C. Coding for calculator
D. All of these
Ans - D
58. Which of these memories acts as a buffer between CPU and main memory?
A. ROM
B. RAM
C. Cache
D. Hard disc
Ans - C
59. Which of these is an expensive memory?
A. RAM
B. CD
C. Cache
D. ROM
Ans - C
60. Which of the following statement is/are true about static RAM?
(a) In static RAM, data is stored in flip flop.
(b) It does not need to be refreshed periodically.
(c) It is faster than dynamic RAM.
(d) All of these are true.
Ans - A
61. Which of the following statement is false about dynamic RAM?
(a) DRAM needs a continuously refreshed memory to store data.
(b) It is slower than SRAM.
(c) It is more expensive than SRAM.
(d) All are correct.
Ans - C
62. Which of the following chips stores the basic input-output system (BIOS)?
(a) RAM
(b) ROM
(c) PROM
(d) None of these
Ans - B
63. Which of the following memories needs refresh to store information?
(a) Cache
(b) SRAM
(c) DRAM
(d) All of these
Ans - C
64. Which of the following is “built-in memory” in the computer?
(a) RAM
(b) ROM
(c) LSI
(d) VLSI
Ans - B
65. EPROM is generally erased by
(a) infrared rays
(b) ultraviolet rays
(c) Electromagnetic signal
(d) 12V electrical pulse
Ans - B
66. Virtual memory is an
(a) extremely large memory
(b) extremely large secondary memory
(c) illusion of an extremely large memory
(d) a type of memory used in supercomputers.
Ans - C
67. The technique that extends storage capacities of the main memory beyond the actual size of the main memory is known as
(a) multitasking
(b) multiprocessing
(c) virtual storage
(d) multiprogramming
Ans - C
68.The memory that cannot be accessed directly by processor (CPU) is
(a) internal memory
(b) external memory
(c) cache memory
(d) system memory
Ans - B
69. In which storage medium, we can store the maximum amount of data
(a) Magnetic storage
(b) Optical storage
(c) Solid data storage
(d) Storage capacity
Ans - D
70. The advantages of using secondary memory storage in a personal computer are
(a) very high storage capacity
(b) permanent storage (non-volatile)
(c) stores data that are not currently being used by CPU
(d) All of these
Ans - D
71. Hard disk can be formatted at the time of
(a) RAM
(b) Booting
(c) disk reader
(d) None of these
Ans - B
72. Which of the following memory storage is slow?
(a) Magnetic disc
(b) RAM
(c) Hard disk
(d) Optical disk
Ans - D
73. The key feature of dynamic RAM is
(a) it is less expensive and cheaper than static RAM
(b) it is faster than SRAM
(c) it is bigger in size than SRAM
(d) it requires less power than static RAM
Ans - A
74. Higher the RAM of computer, the faster its processing speed. Since it eliminates
(a) need for external memory
(b) need for ROM
(c) need for cache memory
(d) All of these
Ans - D
75. Which of the following is the feature of SRAM?
(a) It is faster than DRAM
(b) It is bigger in size and more expensive than DRAM
(c) it requires less power consumption
(d) All of these
Ans - D
76. What is secondary memory?
A. It is a non-volatile memory storing data permanently
B. It is a volatile memory storing data
C. It is a memory that connects directly to CPU
D. None of these
Ans - A
77.The speed of secondary memory is?
A. Fastest
B. Faster than primary
C. Slower than primary
D. None of these
Ans - C
78.Which of these is a type of secondary memory?
A. HHD
B. CD
C. Magnetic Tapes
D. All of these
Ans - D
79. What is magnetic tape?
A. Strip of plastic film used to store data
B. Magnetic used to store data
C. Fastest memory storage
D. All of these
Ans - A
80.Which of these is a circular plate with magnetic coating used to store data?
A. Magnetic Tape
B. Magnetic Disc
C. Cache
D. All of these
Ans - B
81. A CD-RW disk __.
(a) has a faster access than an internal disk
(b) is a form of optical disk, so it can only bewritten once
(c) holds less data than a floppy disk
(d) can be erased and rewritten
Ans - D
82. A directory within a directory is called.
(a) Mini Directory (b) Junior Directory
(c) Part Directory (d) Sub Directory
Ans - D
83.__ Store data or informationtemporarily and pass it on as directed by thecontrol unit
(a) Address (b) Register
(c) Number (d) Memory
Ans - B
84. A group of 8 bits is known as a –
(a) byte (b) kilobyte
(c) binary digit (d) megabit
Ans - A
85. If a user needs information instantly available tothe CPU, it should be stored –
(a) on a CD
(b) in secondary storage
(c) in the CPU
(d) in RAM
Ans - B
86. what temporary area can you store textand other data, and later paste them to anotherlocation?
(a) The clipboard (b) ROM
(c) CD-ROM (d) The hard disk
Ans - A
87. All of the following are included in removablemedia Except –
(a) CD-ROMs (b) Diskette
(c) DVDs (d) Hard Disk Drive
Ans - D
88. When you make graph and picture indocument, then your computer holds the data in__.
(a) Restore file (b) Backup drive
(c) Clipboard (d) Memory
Ans - D
89. The storage element for a Static RAM is the_.
(a) diode (b) resistor
(c) capacitor (d) flip-flop
Ans - D
90. Which of the following is the largest unit ofstorage?
(a) GB (b) KB
(c) MB (d) TB
Ans - D
91. The portion of the CPU that coordinates theactivities of all the other computer componentsis the __.
(a) motherboard
(b) coordination board
(c) control unit
(d) arithmetic logic unit
Ans - C
92. A device that reads the information containedon a disk and transfers it to the computer’smemory.
(a) monitor (b) screen
(c) keyboard (d) disk drive
Ans - D
93. The unit which acts as an intermediate agentbetween memory and backing store to reduceprocess time is _.
(a) TLB’s (b) Registers
(c) Page tables (d) Cache
Ans - D
94. A place in the computer system where data andprograms are temporarily stored.
(a) paste (b) open
(c) memory (d) pocket
Ans - C
95. Which type of memory holds only the programand data that the CPU is presently processing?
(a) CMOS (b) ROM
(c) RAM (d) ASCII
Ans - C
96. A removable magnetic disc that holdsinformation.
(a) floppy disk (b) hard drive
(c) monitor (d) portable
Ans - A
97. Bit in short for –
(a) binary system (b) digital byte
(c) binary digit (d) binary unit
Ans - C
98. Processors of all computers, whether micro,mini or mainframe must have:
(a) ALU (b) Primary Storage
(c) Control Unit (d) All of the above
Ans - D
99. What characteristic of read-only memory(ROM) makes is useful?
(a) ROM information can be easily updated
(b) Data in ROM is nonvolatile, that is, itremains there even without electricalpower
(c) ROM provides very large amounts ofinexpensive data storage
(d) ROM chips are easily swapped betweendifferent brands of computers
Ans - B
100. Which of the following require large computermemory?
(a) Imaging (b) Graphics
(c) Voice (d) All of the above
Ans - D
101. Which of the following require large computermemory?
(a) Minicomputer
(b) Laptop Computer
(c) Notebook Computer
(d) All of the above
Ans - A
102.The amount of time required by a storagedevice to retrieve data and programs is its__.
(a) retrieval speed (b) capacity
(c) memory (d) storage
Ans - A
103. Which of the following types of memoryimproves processing by acting as a temporaryhigh-speed holding area between the memoryand the CPU?
(a) RAM (b) ROM
(c) Cache memory (d) Flash memory
Ans - C
104. The BOOT sector files of the system are storedin _.
(a) Hard disk
(b) ROM
(c) RAM
(d) Fast solid state chips in the motherboard
Ans - B
105. The most common storage device for thepersonal computer is
(a) Floppy disk (b) USB thumb drive
(c) Zip disk (d) Hard disk
Ans - D
106.Thick, rigid metal platters that are capable ofstoring and retrieving information at a high rateof speed are known as
(a) hard disks (b) soft disks
(c) flash memory (d) SAN
Ans - A
107.A DVD is an example of a(n) __.
(a) hard disk
(b) optical disk
(c) output device
(d) solid-state storage device
Ans - B
108. Which of the following is another name for achip?
(a) Silicon chip (b) Integrated circuit
(c) Semiconductor (d) All of these
Ans - B
109. Decreasing the amount of space required tostore data and programs is accomplished by__.
(a) pressing (b) disk caching
(c) RAID (d) file compression
Ans - D
110. Data on a floppy disk is recorded in rings called__.
(a) sectors (b) ringers
(c) rounders (d) tracks
Ans - D
111.Storage that retains its data after the power isturned off is referred to as _____.
(a) volatile storage (b) sequential storage
(c) direct storage (d) non-volatile storage
Ans - D
112. Which of the following is a secondary storagedevice?
(a) Optical disks (b) RAM
(b) Microprocessor (d) All of these
Ans - A
113. Which of the following is equal to 1,048,576byte (approx one million byte)?
(a) Byte (b) Gigabyte
(c) Memory (d) Megabyte
Ans - D
114. A hard disk drive is considered as a __storage.
(a) flash (b) non volatile
(c) temporary (d) non-permanent
Ans - B
115. A tape drive offers __ access to data.
(a) timely (b) sporadic
(c) random (d) sequential
Ans - D
116. All the components of a computer are either__ or ___.
(a) software, CPU/RAM
(b) application software, system software
(c) input device, output device
(d) hardware, software
Ans - D
117. When you save to _____, your data willremain intact even when the computer is turned
off.
(a) RAM
(b) motherboard
(c) secondary storage device
(d) primary storage device
Ans - C
118. What disk is used to cold-boot a PC?
(a) Setup disk (b) System disk
(c) Diagnostic disk (d) Program disk
Ans - B
119. Data (information) is stored in computer as
(a) files (b) directories
(c) floppies (d) matter
Ans - A
120. .Memory unit is one part of __.
(a) Control unit
(b) Central Processing Unit
(c) Input device
(d) Output device
Ans - B
121. A character of information is represented by
a(n) __.
(a) byte (b) bit
(c) field (d) attribute
Ans - B
122. Which of the following devices has a limitation
that we can only read it but cannot erase or
modify it?
(a) Tape Drive (b) Hard Disk
(c) Compact Disk (d) Floppy Disk
Ans - C
123. A CD-ROM disk
(a) cannot be erased and rewritten
(b) has more storage capacity than a CD-R
(c) holds less data than a floppy disk
(d) can be written to only once
Ans - A
124. Storage device found inside the computer.
(a) CD-ROM (b) Zip Disk
(c) Super Disk (d) Hard Disk
Ans - D
125. .Micro instructions are stored in the:
(a) Internal storage (b) External storage
(c) Cache (d) Control memory
Ans - D
126. RAM is __ and __.
(a) volatile, temporary
(b) nonvolatile, permanent
(c) nonvolatile, temporary
(d) volatile, permanent
Ans - A
127. The __ indicates how much data a
particular storage medium can hold.
(a) access (b) capacity
(c) memory (d) storage
Ans - B
128. Secondary storage
(a) does not require constant power
(b) does not use magnetic media
(c) consists of four main types of devices
(d) does not store information for later retrieval
Ans - A
129.The access time of memory is __ the
time required for performing any single CPU
operation.
(a) Longer than (b) Shorter than
(c) Negligible than (d) Same as
Ans - A
130. Storage media such as a CD read and write
information using __.
(a) a laser beam of red light
(b) magnetic dots
(c) magnetic strips
(d) All of these
Ans - A
131. Main memory works in conjunction with ____.
(a) special function cards
(b) RAM
(c) CPU
(d) Intel
Ans - C
132. Which of the following is an example of storage
devices?
(a) Magnetic disk (b) Tapes
(c) DVDs (d) All of these
Ans - D
133. Which of the following is an example of an
optical disk?
(a) Digital versatile disks
(b) Magnetic disks
(c) Memory disks
(d) Data bus disks
Ans - A
134. The main memory of a computer can also be
called
(a) Primary storage (b) Internal memory
(c) Primary memory (d) All of these
Ans - C
135. ROM tells the computer to
(a) disconnect the computer
(b) start up the operating system
(c) connect to the hardware
(d) turn on
Ans - B
136. Which of the following has the most capacity?
(a) CD-R (b) CD-RW
(c) DVD (d) VCD
Ans - C
137. The fastest component for accessing stored
data/information is/are
(a) cache (b) DVDs
(c) hard disks (d) main memory
Ans - D
138. In a computer most processing takes place in
_____.
(a) Memory
(b) RAM
(c) Motherboard
(d) CPU
Ans - D
139. In a sequence of events that take place in an
instruction cycle, the first cycle is called
(a) store cycle (b) execute cycle
(c) fetch cycle (d) decode cycle
Ans - C
139. A register that keeps track of the next instruction
to be executed is called a/an
(a) Data Register
(b) Instruction Register
(c) Action Register
(d) Program Counter
Ans - B
140. The microprocessor of a computer
(a) does not understand machine language.
(b) understands machine language and high level languages.
(c) understands only machine language.
(d) understands only high-level languages
Ans - C
141. Which of the following is the smallest storage?
(a) Megabyte (b) Gigabyte
(c) Kilobyte (d) Terabyte
Ans - C
142. CD and DVD drives are the examples of
(a) coding media (b) solid stage storage
(c) Zip drives (d) storage devices
Ans - D
143. Memory is ____?
(a) finite (b) infinite
(c) uncountable (d) finite and uncountable
Ans - A
144. A register is defined as __?
(a) The group of latches for storing one bit of
information
(b) The group of latches for storing n-bit of
information
(c) The group of flip-flops suitable for storing
one bit of information
(d) The group of flip-flops suitable for storing
binary information
Ans - D
145. Decreasing the amount of space required to
store data and programs is accomplished by
___.
(a) pressing (b) disk caching
(c) RAID (d) file compression
Ans - D
146. ____is the maximum amount of data that
can be stored on a storage medium.
(a) Magnetic storage
(b) Optical storage
(c) Solid-state storage
(d) Storage capacity
Ans - D
147. In which one of the following errors are
displayed for every instruction?
(a) Assembler (b) Both c and d
(c) Complier (d) Interpreter
Ans - D
148. The rate at which data is written to disk or read
from disk is called as ____
(a) Data Transfer rate (b) Track
(c) Sector (d) Hard disk
Ans - A
149. Which one is an Optical disk storage medium
designed to recapture the data normally in DVD
format?
(a) Compact Disk
(b) Digital Video Disk
(c) Blue-ray Disk
(d) Floppy Disk
Ans - C
150. Which one holds a block of data that is read or written
at one time?
(a) Data Transfer rate
(b) Track
(c) Sector
(d) Hard disk
Ans - C
151. Raw, unprocessed facts, including text, numbers,
images, and sounds, are called __
(a) Applets (b) Data
(c) Metaware (d) Product
Ans - B
152. The data storage hierarchy consists of :
(a) Bytes, bits, fields, records, files and databases
(b) Bits, bytes, fields, records, files and databases
(c) Bits, bytes, records, fields, files and databases
(d) Bits, bytes, fields, files, records and databases
Ans - B
153. Which of the following represents billion characters?
(a) Terabytes (b) Megabytes
(c) Kilobytes (d) Gigabytes
Ans - D
154. Which of the following correctly lists computer
memory types from highest to lowest speed ?
(a) Secondary Storage; Main Memory (RAM);
Cache Memory; CPU Registers
(b) CPU Registers; Cache Memory; Secondary
Storage; Main Memory (RAM)
(c) CPU Registers; Cache Memory; Main
Memory (RAM); Secondary Storage
(d) Cache Memory; CPU Registers; Main
Memory (RAM); Secondary Storage
Ans - C
155. With regard to computer memory, which of the
following statement(s) is/are TRUE ?
P : Read Only Memory (ROM) is ‘volatile’ memory.
Q : Random Access Memory (RAM) is
‘volatile’ memory.
R : Secondary Memory is ‘volatile’ memory.
(a) P only (b) Q only
(c) P and Q only (d) P and R only
Ans - B
156. Which of the following is not considered as a
form of secondary storage?
(a) RAM (b) Floppy Disk
(c) Optical Disk (d) Flash Drive
Ans - A
157. Computer uses which number system to store
data and perform calculations
(a) Binary (b) Octal
(c) Decimal (d) Hexadecimal
Ans - A
158. What is the term used for measurement of how
fast data moves from one place to another?
(a) data per unit
(b) bits per second
(c) bits per hour
(d) ratio per bit
Ans - B
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