Important Computer Questions Part 3 | MCQs for Govt & Competitive Exams
Computer awareness is one of the most scoring sections in government exams, banking exams, SSC, railways, and other competitive exams. Below are important multiple-choice questions (MCQs) that will help you strengthen your preparation.
Question 61: What is the unit under whose supervision the process of input, output, processing and storage is carried out called?
(a) Arithmetic Logic Unit
(b) Output Unit
(c) Control Unit
(d) Memory Unit
Answer: (c) Control Unit
Question 62: _______ is called as Brain of Computer System.
(a) ALU
(b) Hard disk
(c) CPU
(d) Monitor
Answer: (c) CPU
Question 63: ______ port is used to connect digital camcorders, external hard drives and other devices that can benefit from the high transfer rates. It can also be used to connect two computers to transfer files.
(a) Serial
(b) Parallel
(c) Infrared
(d) Fire Wire
Answer: (a) Serial
Question 64: Identify the correct order of the stages of a data processing cycle.
(a) Input stage > Output stage > Processing stage > Storage stage
(b) Input stage > Processing stage > Storage stage > Output stage
(c) Processing stage > Input stage > Output stage > Storage stage
(d) Input stage > Processing stage > Output stage > Storage stage
Answer: (d) Input stage > Processing stage > Output stage > Storage stage
Question 65: Which of the following components of CPU responsible to direct the system to execute instructions?
(a) Arithmetic and Logic Unit (ALU)
(b) Control Unit (CU)
(c) Registers
(d) Random Access Memory
Answer: (b) Control Unit (CU)
Question 66: The brain of the computer is called-
(a) CD
(b) CPU
(c) Floppy disk
(d) Monitor
Answer: (b) CPU
Question 67: The brain of the computer is called-
(a) CPU
(b) Monitor
(c) Modem
(d) Software
(e) None of these
Answer: (a) CPU
Question 68: Which of the following is the brain of the computer?
(a) Software
(b) Hardware
(c) CPU
(d) Monitor
Answer: (c) CPU
Question 69: Which of the following is also known as the brain of the computer?
(a) CPU
(b) ALU
(c) Motherboard
(d) Keyboard
Answer: (a) CPU
Question 70: The speed of a computer is measured in the following units:
(a) Megabyte
(b) Mega Hertz
(c) 16 bit
(d) Millisecond
Answer: (b) Mega Hertz
Question 71: The clock frequency of a microprocessor is measured in ________.
(a) Minutes
(b) MIPS
(c) MHz
(d) Nanosecond
Answer: (c) MHz
Question 72: Which of the following is not a valid unit to represent the speed of CPU?
(a) Hertz (Hz)
(b) MIPS
(c) MFLOPS
(d) Byte
Answer: (d) Byte
Question 73: CPU performance is usually measured in what?
(a) GB
(b) MHz
(c) MIPS
(d) Band rate
Answer: (b) MHz
Question 74: The unit of measuring the editing capacity of a computer is called
(a) MIPS
(b) seconds
(c) Watt
(d) MIS
Answer: (a) MIPS
Question 75: The speed of a computer processor is measured in which of the following?
(a) BPS
(b) MIPS
(c) band
(d) Hertz
Answer: (b) MIPS
Question 76: What does MIPS mean in computer technology?
(a) Marginal Input Storage
(b) Million Instruction per Second
(c) Micro Information Processing Storage
(d) Memory Image Processing State
Answer: (b) Million Instruction per Second
Question 77: ______ is electronic device that processes data by converting it into information.
(a) Processor
(b) Computer
(c) Case
(d) Stylus
(e) None of these
Answer: (a) Processor
Question 78: Which of the following is not a part of CPU?
(a) Memory unit
(b) ALU
(c) Control Unit
(d) Input Unit
Answer: (d) Input Unit
Question 79: What is the full form of CPU?
(a) Common Processing Unit
(b) Control Processing Unit
(c) Connecting Processing Unit
(d) Central Processing Unit
Answer: (d) Central Processing Unit
Question 80: In computer language, CPU means –
(a) Computerized power unit
(b) Central Processing Unit
(c) Central Power Unit
(d) Central Peripheral Unit
Answer: (b) Central Processing Unit
Question 81: What is the full form of CPU in computer science?
(a) Core Programming Utility
(b) Central Processing Unit
(c) Circuit Peripheral Unit
(d) Controlled Electricity Use
Answer: (b) Central Processing Unit
Question 82: CPU means –
(a) Control Processing Unit
(b) Central Processing Unit
(c) Current Processing Unit
(d) None of these
Answer: (b) Central Processing Unit
Question 83: Which of the following is called the brain of the computer?
(a) Monitor
(b) Mouse
(c) Keyboard
(d) CPU
Answer: (d) CPU
Question 84: The full form of CPU is
(a) Central Processing Unit
(b) Central Public Utility
(c) Central Processing Unit
(d) None of the above
Answer: (c) Central Processing Unit
Question 85: The part of the computer that acts as its brain is called:
(a) memory
(b) software
(c) CPU
(d) UPS
Answer: (c) CPU
Question 86: Which of the following does computing in Personal Computer?
(a) CPU
(b) Motherboard
(c) RAM
(d) BIOS
Answer: (a) CPU
Question 87: Which of the following control memory input and output devices?
(a) CPU
(b) ALU
(c) CU
(d) Memory
Answer: (a) CPU
Question 88: Which of the following options represents the major components of a CPU?
(a) CU, ROM, Register
(b) ALU, CU, RAM
(c) ALU, CU, Register
(d) Hard disk, ALU, CU
Answer: (c) ALU, CU, Register
Question 89: Which of the following is a part of the central processing unit?
(a) Printer
(b) Keyboard
(c) Mouse
(d) ALU
Answer: (d) ALU
Question 90: Accumulator is an integral component of –
(a) CPU
(b) Hard Disk
(c) RAM
(d) Cache Memory
Answer: (a) CPU
#Important Computer Questions Part 3 | MCQs for Govt & Competitive Exams
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