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 #31
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What key technology was introduced in third-generation computers to replace individual wired components, dramatically increasing computational speed?
Correct Answer: Option B
Explanation:
Integrated Circuits (ICs) combined multiple electronic components like transistors, resistors, and capacitors onto a single small silicon semiconductor chip.
Integrated Circuits (ICs) combined multiple electronic components like transistors, resistors, and capacitors onto a single small silicon semiconductor chip.
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Computer
Computer Fundamentals
Question #32
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Which classification of computers is engineered with extreme processing power to run highly complex simulations, such as weather forecasting and quantum mechanics?
Correct Answer: Option C
Explanation:
Supercomputers are the fastest and most computationally intensive systems, designed specifically for massive parallel mathematical simulations.
Supercomputers are the fastest and most computationally intensive systems, designed specifically for massive parallel mathematical simulations.
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Computer
Computer Fundamentals
Question #33
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The property of a computer system that enables it to perform a vast array of completely different tasks, from playing video to calculating payroll, is called:
Correct Answer: Option B
Explanation:
Versatility refers to the computer's capacity to handle multiple types of applications and switch between tasks seamlessly.
Versatility refers to the computer's capacity to handle multiple types of applications and switch between tasks seamlessly.
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Computer
Computer Fundamentals
Question #34
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The foundational 'Stored Program Control' concept, which dictates that instructions and data reside together in the same memory unit, was proposed by:
Correct Answer: Option A
Explanation:
John von Neumann introduced the design architecture where data and program instructions are stored together in a single shared memory space.
John von Neumann introduced the design architecture where data and program instructions are stored together in a single shared memory space.
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Computer
Computer Fundamentals
Question #35
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Which device belongs entirely to the first generation of computers, depending on thousands of vacuum tubes for its internal electronic logic?
Correct Answer: Option B
Explanation:
ENIAC (Electronic Numerical Integrator and Computer) is a classic example of a first-generation computer that relied heavily on vacuum tubes.
ENIAC (Electronic Numerical Integrator and Computer) is a classic example of a first-generation computer that relied heavily on vacuum tubes.
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Computer
Computer Fundamentals
Question #36
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Which specific component inside the Central Processing Unit (CPU) is responsible for interpreting instructions and directing the flow of data across the system?
Correct Answer: Option C
Explanation:
The Control Unit (CU) acts as the supervisor, fetching, decoding, and managing the execution of instructions by sending timing signals.
The Control Unit (CU) acts as the supervisor, fetching, decoding, and managing the execution of instructions by sending timing signals.
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Computer
Computer Fundamentals
Question #37
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A digital thermometer or an electronic weighing scale that measures physical parameters and displays them as numbers is an example of a:
Correct Answer: Option B
Explanation:
Hybrid computers combine analog features (sampling continuous physical data) with digital features (processing and displaying discrete numbers).
Hybrid computers combine analog features (sampling continuous physical data) with digital features (processing and displaying discrete numbers).
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Computer
Computer Fundamentals
Question #38
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The phrase 'GIGO' (Garbage In, Garbage Out) emphasizes that the output quality of a computer depends directly on which characteristic?
Correct Answer: Option B
Explanation:
GIGO means that a computer's accuracy is absolute relative to its input; if incorrect data is supplied, the processed output will also be incorrect.
GIGO means that a computer's accuracy is absolute relative to its input; if incorrect data is supplied, the processed output will also be incorrect.
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Computer
Computer Fundamentals
Question #39
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What primary electronic component distinguishes fourth-generation computers from all previous generations?
Correct Answer: Option A
Explanation:
Fourth-generation computers are defined by the microprocessor, which concentrates an entire CPU onto a single Very Large Scale Integration (VLSI) chip.
Fourth-generation computers are defined by the microprocessor, which concentrates an entire CPU onto a single Very Large Scale Integration (VLSI) chip.
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Computer
Computer Fundamentals
Question #40
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Which level of language was introduced during the second generation of computers to make programming easier by using mnemonic codes instead of raw binary strings?
Correct Answer: Option C
Explanation:
Second-generation systems widely utilized Assembly Language, which replaced binary 1s and 0s with easy-to-remember mnemonics like ADD, SUB, and MOV.
Second-generation systems widely utilized Assembly Language, which replaced binary 1s and 0s with easy-to-remember mnemonics like ADD, SUB, and MOV.
This question belongs to:
Computer
Computer Fundamentals
