Important Computer Questions Part 5 | 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 121: Intel is a name of:
(a) bird
(b) scientist
(c) computer company
(d) fighter plane
Answer: (c) computer company
Question 122: Which part of the computer is directly involved in executing the instructions of a computer program?
(a) scanner
(b) main storage
(c) secondary storage
(d) printer
(e) processor
Answer: (e) processor
Question 123: Which part of the CPU evaluates and makes decisions?
(a) Arithmetic Logic Unit
(b) Alternating Logic Unit
(c) Alternate Local Unit
(d) American Logic Unit
Answer: (a) Arithmetic Logic Unit
Question 124: An electronic device that processes data by converting it into information is called-
(a) Processor
(b) Computer
(c) Case
(d) CPU
Answer: (a) Processor
Question 125: A microprocessor with 8 bit word length can process ______ bits data simultaneously.
(a) 4
(b) 8
(c) 16
(d) 32
Answer: (b) 8
Question 126: The most important part of a computer is:
(a) CPU
(b) Keyboard
(c) Disk
(d) Printer
Answer: (a) CPU
Question 127: Most of the processing in a computer takes place in
(a) memory
(b) RAM
(c) motherboard
(d) CPU
(e) None of these
Answer: (d) CPU
Question 128: Which one of the following is not a peripheral device?
(a) printer
(b) monitor
(c) motherboard
(d) keyboard
Answer: (c) motherboard
Question 129: Which of the following is not generally considered a peripheral device?
(a) Mouse
(b) Keyboard
(c) Printer
(d) Hard drive
Answer: (d) Hard drive
Question 130: The peripheral devices of a basic computer system does NOT include the
(a) Printer
(b) Keyboard
(c) Monitor
(d) CPU
Answer: (d) CPU
Question 131: In multitasking situation, Semaphore is used to solve problem of ______and ______.
(a) Process synchronization problem, job scheduling
(b) CPU memory synchronization, I/O deadlock resolution
(c) Critical section problem, Process synchronization
(d) Booting problem, critical section problem solution
Answer: (c) Critical section problem, Process synchronization
Question 132: Computer organization refers to the ______ units and their interrelationships that implement architectural specifications.
(a) dynamic
(b) navigational
(c) stable
(d) operations
Answer: (d) operations
Question 133: A device that is connected to a computer but it is NOT part of the core computer architecture is known as
(a) Processing Device
(b) Memory Device
(c) Peripheral Device
(d) On board Device
Answer: (c) Peripheral Device
Question 134: ALU is the part of –
(a) CPU
(b) CU
(c) Memory
(d) None of these
Answer: (a) CPU
Question 135: Which component is mainly responsible for performing calculations in a computer?
(a) RAM
(b) Control Unit
(c) ALU
(d) Hard disk
Answer: (c) ALU
Question 136: What is the processor that performs arithmetic and logical operations called?
(a) CPU
(b) ALU
(c) Microprocessor
(d) RAM
Answer: (b) ALU
Question 137: Which among the following has capability to execute computer’s command?
(a) Processor Socket
(b) Main Memory
(c) Arithmetic Logic Unit
(d) Cache Memory
Answer: (c) Arithmetic Logic Unit
Question 138: The full form of ALU is –
(a) Algebraic Logic Unit
(b) Algorithmic Logic Unit
(c) Arithmetic Logic Unit
(d) None of these
Answer: (c) Arithmetic Logic Unit
Question 139: Arithmetic and Logic Unit
I. Performs mathematical operations
II. Collects data
III. Makes comparisons
IV. Communicates with investment tips.
Which of the following is correct?
(a) Only I
(b) Only III
(c) I and II
(d) I and III
Answer: (d) I and III
Question 140: _____ is present in the ALU of CPU.
(a) RAM space
(b) Register
(c) Byte space
(d) Secondary storage space
(e) None of these
Answer: (b) Register
Question 141: ALU is a part of a computer is _______
(a) Application
(b) ROM
(c) RAM
(d) Processor
Answer: (d) Processor
Question 141: What is the full form of PGA graphics card?
(a) Professional Graphics Array
(b) Portal Graphic Array
(c) Personal Graphic Array
(d) Public Giga Array
Answer: (a) Professional Graphics Array
Question 143: In Computers, what does ALU stand for?
(a) Advanced Logic Unit
(b) Accelerated Logic Unit
(c) Arithmetic Logic Unit
(d) Asymmetic Logic Unit
Answer: (c) Arithmetic Logic Unit
Question 144: ALU means
(a) Arithmetic Long Unit
(b) All Longer Units
(c) Around Logical Units
(d) Arithmetic and Logical Unit
Answer: (d) Arithmetic and Logical Unit
Question 145: Which of the following is a component in the CPU?
(a) Memory Regulation Unit
(b) Flow control unit
(c) Arithmetic Logic Unit
(d) Instruction Manipulation Unit
Answer: (c) Arithmetic Logic Unit
Question 146: Which part for the computer is used for calculations and comparisons?
(a) ALU
(b) CU
(c) Disk Unit
(d) modem
(e) None of these
Answer: (a) ALU
Question 147: With whose help calculations are done in a computer?
(a) LSI
(b) CU
(c) RAM
(d) ALU
Answer: (d) ALU
Question 148 : The ALU and control unit together are usually referred to as ________.
(a) Input unit
(b) Processor
(c) Storage unit
(d) Output unit
Answer: (b) Processor
Question 149: _______ tells the computer’s memory, arithmetic/logic unit and input and output devices how to resond to a program’s instructions.
(a) Storage Unit
(b) Input Device
(c) Control Unit
(d) Logic Unit
Answer: (c) Control Unit
Question 150: Which of the following manages computer resources?
(a) ALU
(b) BUS
(c) Control Unit
(d) I/O Unit
Answer: (c) Control Unit
#Important Computer Questions Part 5 | MCQs for Govt & Competitive Exams
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