Computer Fundamentals MCQs
Practice Computer Fundamentals MCQs with answers and detailed explanations covering computer basics, characteristics, types of computers, generations of computers and fundamental concepts frequently asked in SSC, Railway, Banking, UPSC, JKSSB and other competitive exams.
Question #21
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What type of operating systems and user interfaces were primarily used during the third generation of computers?
Correct Answer: Option C
Explanation:
The third generation (IC era) saw the introduction of multi-programming, time-sharing, and early operating systems that allowed remote terminal access.
The third generation (IC era) saw the introduction of multi-programming, time-sharing, and early operating systems that allowed remote terminal access.
This question belongs to:
Computer
Computer Fundamentals
Question #22
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What is the primary technical limitation of first-generation computers that utilized vacuum tubes?
Correct Answer: Option D
Explanation:
Vacuum tubes were fragile glass components that consumed massive amounts of electricity, emitted extreme heat, and burned out frequently.
Vacuum tubes were fragile glass components that consumed massive amounts of electricity, emitted extreme heat, and burned out frequently.
This question belongs to:
Computer
Computer Fundamentals
Question #23
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Which fundamental component of the Von Neumann CPU is responsible for temporarily storing the intermediate results of arithmetic and logical operations?
Correct Answer: Option D
Explanation:
The Accumulator is a special-purpose register within the ALU that stores intermediate calculation results during processing.
The Accumulator is a special-purpose register within the ALU that stores intermediate calculation results during processing.
This question belongs to:
Computer
Computer Fundamentals
Question #24
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Desktop personal computers, laptops, tablets, and smartphones all fall under which structural category of computers?
Correct Answer: Option D
Explanation:
Microcomputers are systems whose central processing unit is contained on a single microchip (microprocessor), designed for individual consumer use.
Microcomputers are systems whose central processing unit is contained on a single microchip (microprocessor), designed for individual consumer use.
This question belongs to:
Computer
Computer Fundamentals
Question #25
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Magnetic core memory was introduced as the primary internal storage mechanism during which computer generation?
Correct Answer: Option A
Explanation:
Second-generation computers migrated from magnetic drums (used in the 1st generation) to much faster magnetic core memories for primary storage.
Second-generation computers migrated from magnetic drums (used in the 1st generation) to much faster magnetic core memories for primary storage.
This question belongs to:
Computer
Computer Fundamentals
Question #26
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Which unit converts human-understandable data and instructions into a form that a digital electronic computer can interpret?
Correct Answer: Option A
Explanation:
The Input Unit accepts external data and instructions from the user and translates them into binary form (0s and 1s) for processing.
The Input Unit accepts external data and instructions from the user and translates them into binary form (0s and 1s) for processing.
This question belongs to:
Computer
Computer Fundamentals
Question #27
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The concept of 'Artificial Intelligence', natural language processing, and quantum computing research are the defining pillars of which generation?
Correct Answer: Option C
Explanation:
The Fifth Generation of computers is centered around Artificial Intelligence, advanced parallel processing, and knowledge-based processing systems.
The Fifth Generation of computers is centered around Artificial Intelligence, advanced parallel processing, and knowledge-based processing systems.
This question belongs to:
Computer
Computer Fundamentals
Question #28
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Which component of the central processing unit performs logical operations such as comparing two numbers to see which one is greater?
Correct Answer: Option B
Explanation:
The Arithmetic Logic Unit (ALU) is split into two parts: the arithmetic section (addition, subtraction) and the logic section (comparisons like equal to, greater than).
The Arithmetic Logic Unit (ALU) is split into two parts: the arithmetic section (addition, subtraction) and the logic section (comparisons like equal to, greater than).
This question belongs to:
Computer
Computer Fundamentals
Question #29
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What type of storage or memory media was predominantly used as the secondary backup storage mechanism in first-generation computers?
Correct Answer: Option B
Explanation:
First-generation computers relied on punched cards, paper tapes, and magnetic drums/tapes for external data retention.
First-generation computers relied on punched cards, paper tapes, and magnetic drums/tapes for external data retention.
This question belongs to:
Computer
Computer Fundamentals
Question #30
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Which early mechanical computing device was invented by Blaise Pascal in 1642 and used a system of interlocking gears and wheels to perform addition and subtraction?
Correct Answer: Option D
Explanation:
The Pascaline, or Arithmetic Machine, was the first mechanical calculator capable of performing addition and subtraction directly via rotating wheels.
The Pascaline, or Arithmetic Machine, was the first mechanical calculator capable of performing addition and subtraction directly via rotating wheels.
This question belongs to:
Computer
Computer Fundamentals
