Hello friends, in this new post of ours we have given 100+ MCQs for you. Nowadays, mcqs related to computer are definitely asked in railway, bank, defense-police, ssc etc. examinations. Apart from this you can go to govt. Be it job or private, you may also need computer mcqs for all these exams, read it and share it with your friends so that you all get the benefit of the mcqs given in this post.
100+ Computer Multiple Choice Questions (MCQ)
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Computer mcq has 100+ questions and answers from different sections of computer. Which is the most important 100+ mcq.
Most Important 100+ Computer MCQ 01 to 50
1. Which of the following is/are characteristics of Computer?
(A) Diligence
(B) Versatility
(C) Reliability
(D) All of the Above
Answer (D) All of the Above
2. Faulty inputs lead to faulty results. It is known as _______
(A) Diligence
(B) Versatility
(C) GIGO
(D) None of the Above
Answer (C) GIGO
3. GIGO stands for______
(A) Garbage In Garbage Out
(B) Gateway In Gateway Out
(C) Gopher In Gopher Out
(D) Geographic In Geographic Out
Answer (A) Garbage In Garbage Out
4. The capacity to perform multiple tasks termed as ______
(A) Diligence
(B) Versatility
(C) Reliability
(D) All of the Above
Answer (B) Versatility
5. A computer does not suffer from tiredness and lack of concentration. It is known as _______
(A) Diligence
(B) Versatility
(C) GIGO
(D) None of the Above
Answer (A) Diligence
6. First Generation computers used ______ for Circuitry and ________ for memory
(A) Transistor and Magnetic Core
(B) IC and Magnetic Memory
(C) Vacuum tubes and Magnetic drum
(D) IC and Magnetic Core
Answer (C) Vacuum tubes and Magnetic drum
7. Second Generation computers were based on _______
(A) IC
(B) Vacuum tube
(C) transistor
(D) None of the Above
Answer (C) transistor
8. FLOPS stands for______
(A) Floating Point Operation Per Second
(B) File Processing Operation Per Second
(C) Floating Processing Operation Per Second
(D) File Loading Operation Per Second
Answer (A) Floating Point Operation Per Second
9. Which language was used to program Second Generation computers?
(A) Binary Coded language
(B) Assembly language
(C) Machine language
(D) None of the Above
Answer (B) Assembly language
10. EDSAC stands for________
(A) Electronic Delay Storage Automatic Computer
(B) Electronic Discrete Storage Automatic Computer
(C) Electronic Delay Serial Automatic Computer
(D) Electronic Discrete Storage Automatic Computer
Answer (A) Electronic Delay Storage Automatic Computer
11. Instructions and data can be stored in the memory of Computer for automatically directing the flow of operations. It is called _____ concept.
(A) Objective Programming
(B) Stored program
(C) Both (A) and (B)
(D) None of the Above
Answer (B) Stored program
12. “Stored Program” concept was developed by ______
(A) Maurice Wilkes
(B) Von Neumann
(C) M.H.A. Newman
(D) None of the Above
Answer (B) Von Neumann
13. Electronic Discrete Variable Automatic Computer(EDVAC) was designed on __________ concept.
(A) Objective Programming
(B) Stored program
(C) Both (A) and (B)
(D) None of the Above
Answer (B) Stored program
14. Which of the following was a small experimental machine based on Neumann’s stored program concept?
(A) Analytical engine
(B) Pascaline
(C) Manchester Mark I
(D) None of the Above
Answer (C) Manchester Mark I
15. Third Generation computers were based on _______
(A) IC
(B) Vacuum tube
(C) transistor
(D) None of the Above
Answer (A) IC
16. In EDSAC, an addition operation was completed in _____ micro seconds.
(A) 4000
(B) 3000
(C) 2000
(D) 1500
Answer (D) 1500
17. ULSI stands for______
(A) Ultra Large Scale Integration
(B) Ultimate Large Scale Integration
(C) Upper Large Scale Integration
(D) Ultra Large Script Integration
Answer (A) Ultra Large Scale Integration
18. Which of the following is fourth generation computer?
(A) INTEL 4004
(B) IBM 360
(C) IBM 1401
(D) None of the Above
Answer (A) INTEL 4004
19. IC is made up of _________
(A) microprocessor
(B) vacuum tube
(C) transistor
(D) None of the Above
Answer (C) transistor
20. Father of modern computer______
(A) Charles Babbage
(B) Alan Turing
(C) Ted Hoff
(D) None of the Above
Answer (B) Alan Turing
21. A hybrid computer is the one having combined properties of ________
(A) Micro & Mini computers
(B) Mini & Super Computers
(C) Mainframe & Super Computers
(D) Analog & Digital computers
Answer (D) Analog & Digital computers
22. Which of the following uses a handheld Operating Systems?
(A) Super Computer
(B) Laptop
(C) Mainframe
(D) PDA
Answer (D) PDA
23. A _______ terminal can display images as well as text.
(A) text
(B) dumb
(C) graphical
(D) None of the Above
Answer (C) graphical
24. The word length of Micro computers lies in the range between ________
(A) 8 and 16 bits
(B) 8 and 21 bits
(C) 8 and 24 bits
(D) 8 and 32 bits
Answer (D) 8 and 32 bits
25. The fastest and most expensive computers are______
(A) Super Computers
(B) Quantum Computers
(C) Mainframe Computers
(D) Micro Computers
Answer(A) Super Computers
26. Which of the following is the smallest and fastest computer imitating brain working?
(A) Super Computer
(B) Quantum Computer
(C) Mainframe Computer
(D) PDA
Answer (B) Quantum Computer
27. A _____ terminal does not process or store data.
(A) dumb
(B) intelligent
(C) Both(A) & (B)
(D) None of the Above
Answer (A) dumb
28. The user generally applies _________ to access mainframe or super computer?
(A) node
(B) terminal
(C) desktop
(D) None of the Above
Answer (B) terminal
29. Desktop and Personal computers are also known as_______
(A) Super Computer
(B) Quantum Computer
(C) Mainframe Computer
(D) Micro Computer
Answer (D) Micro Computer
30. Graphical terminals are divided into two types. They are _____
(A) text and dumb
(B) dumb and intelligent
(C) vector mode and raster mode
(D) None of the Above
Answer (C) vector mode and raster mode
31. Which language is used for Artificial Intelligence (AI)?
(A) FORTRAN
(B) COBOL
(C) C
(D) PROLOG
Answer (D) PROLOG
32. Who coined the term “Artificial Intelligence”?
(A) Charles Babbage
(B) Alan Tuning
(C) Von Neumann
(D) John McCarthy
Answer (D) John McCarthy
33. _________ is a computational model based on the structure of biological neural networks?
(A) Artificial Neural Network (ANN)
(B) Biological Network
(C) Both(A) & (B)
(D) None of the Above
Answer (A) Artificial Neural Network (ANN)
34. A neural network in which the signal passes in only one direction is called _____
(A) Feed forward Neural Network
(B) Recurrent Neural Network
(C) Both(A) & (B)
(D) None of the Above
Answer (A) Feed forward Neural Network
35. _________ is an artificial neural network with multiple hidden layers between the input and output layers?
(A) Deep neural network
(B) Shallow neural network
(C) Both(A) & (B)
(D) None of the Above
Answer (A) Deep neural network
36. The most famous Recurrent Neural Network is _______
(A) Perceptrons
(B) Radial Basis Networks
(C) Hopfield net
(D) None of the Above
Answer (C) Hopfield net
37. Which neural network allows feedback signal?
(A) Feed forward Neural Network
(B) Recurrent Neural Network
(C) Both(A) & (B)
(D) None of the Above
Answer (B) Recurrent Neural Network
38. Which of the following is/are application(s) of Neural Network?
(A) Pattern recognition
(B) Mobile Computing
(C) Speech reading(Lip-reading)
(D) All of the Above
Answer (D) All of the Above
39. Which algorithm is used in layered Feed forward Neural Network?
(A) Back propagation algorithm
(B) Binary Search
(C) Both(A) & (B)
(D) None of the Above
Answer (A) Back propagation algorithm
40. Radial Basis Function (RBF) networks have _____ layers.
(A) One
(B) Four
(C) Two
(D) Three
Answer (D) Three
41. The chip used in computers, is made of ______
(A) Silicon
(B) Iron Oxide
(C) Chromium
(D) None of the Above
Answer (A) Silicon
42. Fourth Generation computers were based on _______
(A) IC
(B) Vacuum tube
(C) transistor
(D) Microprocessors
Answer (D) Microprocessors
43. The first computer language developed was______
(A) COBOL
(B) PASCAL
(C) BASIC
(D) FORTRAN
Answer (D) FORTRAN
44. The first calculator that can perform all four arithmetic operations(Addition, Subtraction, Multiplication, Division) was known as______
(A) Pascaline
(B) Slide Rule
(C) Step Reckoner
(D) None of the Above
Answer (C) Step Reckoner
45. The first computer spreadsheet program was_________
(A) Lotus 1-2-3
(B) MS Excel
(C) Visicalc
(D) None of the Above
Answer (C) Visicalc
46. Which of the following is an example for fourth generation language(4GL)?
(A) COBOL
(B) PowerBuilder
(C) FORTRAN
(D) None of the Above
Answer (B) PowerBuilder
47. VDU stands for________
(A) Video Display Unit
(B) Visual Display Unit
(C) Video Divide Unit
(D) None of the Above
Answer (B) Visual Display Unit
48. Which language is directly understood by the computer without translation program?
(A) BASIC
(B) Assembly language
(C) Machine language
(D) C language
Answer (C) Machine language
49. Herman Hollerith developed a machine called________
(A) Pascaline
(B) Analytical engine
(C) Census Tabulator
(D) Tabulating Machine
Answer (D) Tabulating Machine
50. Electronic Delay Storage Automatic Computer(EDSAC) was invented by _________
(A) Herman Hollerith
(B) JW Mauchy
(C) John Von Neumann
(D) None of the Above
Answer (C) John Von Neumann
Most Important 100+ Computer MCQ 51 to 100
51. Which registers can interact with secondary memory?
(A) Register
(B) Memory Address Register(MAR)
(C) Instruction Register(IR)
(D) None of the Above
Answer (B) Memory Address Register(MAR)
52. Which Flip Flop is used to store data in registers?
(A) D Flip Flop
(B) JK Flip Flop
(C) RS Flip Flop
(D) None of the Above
Answer (A) D Flip Flop
53. ISP stands for______
(A) Instruction Standard Processing
(B) Instruction Standard Processor
(C) Information Set Processing
(D) Instruction Set Processor
Answer (D) Instruction Set Processor
54. The decoded instruction is stored in ______
(A) Register
(B) Memory Address Register(MAR)
(C) Instruction Register(IR)
(D) None of the Above
Answer (C) Instruction Register(IR)
55. Which is not an integral part of computer?
(A) CPU
(B) Monitor
(C) Mouse
(D) UPS
Answer (D) UPS
56. The most frequently used instructions of a computer program are likely to be fetched from ______
(A) Hard disk
(B) ROM
(C) RAM
(D) Cache
Answer (D) Cache
57. The primary aim of computer process is to convert the data into ______
(A) table
(B) graph
(C) file
(D) information
Answer (D) information
58. The main circuit-board of the system unit is _______
(A) RAM
(B) Mother Board
(C) Hard disk
(D) None of the Above
Answer (B) Mother Board
59. ALU and Control Unit have special purpose locations called _______
(A) Registers
(B) Mother Board
(C) Sockets
(D) None of the Above
Answer (A) Registers
60. The communication line between CPU memory and Peripherals is called a _________
(A) Registers
(B) Mother Board
(C) Bus
(D) None of the Above
Answer (C) Bus
61. A communication system that transfers data between the components inside a computer or between computers is called _______
A. Port
B. Bus
C. Registers
D. None of the Above
Answer B. Bus
62. Which bus connects all the internal components of a computer such as CPU and memory to the main board(motherboard)?
A. Expansion Bus
B. External Bus
C. Internal Bus
D. None of the Above
Answer C. Internal Bus
63. A bus that connects a computer to Peripheral devices is called _______
A. System Bus
B. Memory Bus
C. Front-Side Bus
D. External Bus
Answer D. External Bus
64. External Bus is also referred as _________
A. System Bus
B. Memory Bus
C. Front-Side Bus
D. Expansion Bus
Answer D. Expansion Bus
65. The Command to access the memory or the I/O device is carried by ______
A. Address Bus
B. Data Bus
C. Control Bus
D. None of the Above
Answer C. Control Bus
66. A computer bus that is used to specify a Physical address?
A. Address Bus
B. Data Bus
C. Control Bus
D. None of the Above
Answer A. Address Bus
67. A bus that transfer data from one component to another or between computers is called _________
A. Address Bus
B. Data Bus
C. Control Bus
D. None of the Above
Answer B. Data Bus
68. RISC stands for________
A. Reverse Instruction Set Computer
B. Reverse Information Set Computer
C. Reduced Information Set Computer
D. Reduced Instruction Set Computer
Answer D. Reduced Instruction Set Computer
69. ________ is a register for Short-term, intermediate storage of arithmetic and logic data in a Computer’s CPU.
A. Accumulator
B. Bus
C. Buffer
D. None of the Above
Answer A. Accumulator
70. _________ is a group of commands for a CPU in machine language.
A. Information Set
B. Instruction Set
C. Buffer
D. None of the Above
Answer B. Instruction Set
71. Von Neumann Architecture is a _______
A. Multiple Instruction Multiple Data(MIMD)
B. Single Instruction Multiple Data(SIMD)
C. Multiple Instruction Single Data(MISD)
D. Single Instruction Single Data(SISD)
Answer D. Single Instruction Single Data(SISD)
72. Programming that actually controls the path of signals or data within computer is called________
A. Assembly language Programming
B. Machine language Programming
C. Micro Programming
D. None of the Above
Answer C. Micro Programming
73. CISC stands for _________
A. Compound Instruction Set Computer
B. Complex Information Set Computer
C. Compound Information Set Computer
D. Complex Instruction Set Computer
Answer D. Complex Instruction Set Computer
74. The register which holds the address of the location to or from which data are to be transferred is known as_______
A. Instruction Register
B. Control register
C. Memory Address Register
D. None of the Above
Answer C. Memory Address Register
75. An interrupt can be temporarily ignored by the counter is called _______
A. Maskable Interrupt
B. Non-maskable Interrupt
C. vectored Interrupt
D. None of the Above
Answer A. Maskable Interrupt
76. The computer performs all mathematical and logical operations inside its _______
A. Visual Display Unit
B. Memory Unit
C. Output Unit
D. Central Processing Unit
Answer D. Central Processing Unit
77. Which of the following Unit can be used to measure the speed
of a computer?
A. BAUD
B. SYPS
C. MIPS
D. None of the Above
Answer C. MIPS
78. The circuit used to store one bit of data is known as_____
A. Encoder
B. OR
C. Flip Flop
D. None of the Above
Answer C. Flip Flop
79. The control unit controls other units by generating control and _______
A. Command Signals
B. Timing signals
C. Transfer signals
D. None of the Above
Answer B. Timing signals
80. Which of the following bus structure is usually used to connect I/O devices?
A. Single bus
B. Multiple bus
C. Star bus
D. None of the Above
Answer A. Single bus
81. An interface that provides I/O transfer of data directly to and form the memory unit and peripheral is termed as________
A. DDA
B. Serial interface
C. Direct Memory Access (DMA)
D. None of the Above
Answer C. Direct Memory Access (DMA)
82. A basic instruction that can be interpreted by computer generally has ________
A. An operand and an address
B. decoder and an accumulator
C. Sequence register and decoder
D. None of the Above
Answer A. An operand and an address
83. The load instruction is mostly used to designate a transfer from memory to a processor register known as_________
A. Accumulator
B. Instruction Register
C. Program counter
D. Memory address Register
Answer A. Accumulator
84. The communication between the components in a microcomputer takes place via the address and ______
A. I/O bus
B. Data bus
C. Address bus
D. None of the Above
Answer B. Data bus
85. The operation executed on data stored in registers is called_______
A. Macro-operation
B. Micro-operation
C. Bit-operation
D. None of the Above
Answer B. Micro-operation
86. Which register keeps tracks of the instructions in the program stored in memory?
A. Address Register
B. Index Register
C. Program Counter
D. None of the Above
Answer C. Program Counter
87. In which addressing mode the operand is given explicitly in the instruction?
A. Absolute
B. Immediate
C. Indirect
D. Direct
Answer B. Immediate
88. When necessary, the results are transferred from the CPU to main memory by _______
A. I/O devices.
B. CPU.
C. Shift registers.
D. None of the Above.
Answer C. Shift registers.
89. A group of bits that tell the computer to perform a specific operation is known as_______
A. Instruction code
B. Micro-operation
C. Accumulator
D. Register
Answer A. Instruction code
90. The average time required to reach a storage location in memory and obtain its contents is called_____.
A. Latency time.
B. Access time.
C. Turnaround time.
D. Response time.
Answer B. Access time.
91. The addressing mode which makes use of in-direction pointers is ______
A. Offset addressing mode
B. Relative addressing mode
C. Indirect addressing mode
D. None of the Above
Answer C. Indirect addressing mode
92. Which addressing mode is most suitable to change the normal sequence of execution of instructions?
A. Immediate
B. Indirect
C. Relative
D. None of the Above
Answer C. Relative
3. Which of the following is used as an intermediate to extend the processor BUS?
A. Gateway
B. Router
C. Connector
D. Bridge
Answer D. Bridge
94. The method of accessing the I/O devices by repeatedly checking the status flags is_________
A. Memory-mapped I/O
B. Program-controlled I/O
C. I/O mapped
D. None of the Above
Answer B. Program-controlled I/O
95. The process where in the processor constantly checks the status flags is called as _________
A. Polling
B. Inspection
C. Reviewing
D. None of the Above
Answer A. Polling
96. The branch logic that provides decision making capabilities in the control unit is known as_______
A. conditional transfer
B. unconditional transfer
C. Both (A) and (B)
D. None of the above
Answer B. unconditional transfer
97. Interrupts that are initiated by an instruction are_______
A. internal
B. external
C. hardware
D. software
Answer D. software
98. Interrupts which are initiated by an I/O drive are ___________
A. internal
B. external
C. Both (A) and (B)
D. All of the above
Answer B. external
99. Content of the program counter is added to the address part of the instruction in order to obtain the effective address is
called_______
A. relative address mode.
B. index addressing mode.
C. register mode.
D. implied mode.
Answer A. relative address mode.
100. A register capable of shifting its binary information either to the right or the left is called a_________
A. parallel register.
B. serial register.
C. shift register.
D. storage register.
Answer C. shift register.
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