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 #1
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Which of the following characteristics of a computer system protects it from becoming tired, bored, or losing concentration even after working for long hours?
Correct Answer: Option A
Explanation:
Diligence is the characteristic that allows a computer to perform repetitive tasks for long periods without experiencing physical exhaustion or lack of focus.
Diligence is the characteristic that allows a computer to perform repetitive tasks for long periods without experiencing physical exhaustion or lack of focus.
This question belongs to:
Computer
Computer Fundamentals
Question #2
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In the context of computer generations, which core electronic component shifted computers from the first generation to the second generation?
Correct Answer: Option B
Explanation:
Second-generation computers replaced bulky, heat-producing vacuum tubes with smaller, more efficient transistors.
Second-generation computers replaced bulky, heat-producing vacuum tubes with smaller, more efficient transistors.
This question belongs to:
Computer
Computer Fundamentals
Question #3
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Which type of computer is designed to process continuous physical data such as electrical voltage, temperature, or pressure rather than discrete numerical values?
Correct Answer: Option C
Explanation:
Analog computers operate on continuous electrical signals or physical magnitudes rather than discrete binary data.
Analog computers operate on continuous electrical signals or physical magnitudes rather than discrete binary data.
This question belongs to:
Computer
Computer Fundamentals
Question #4
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The architectural concept of storing both instructions and data in the same memory unit, which forms the basis of most modern computers, was introduced by whom?
Correct Answer: Option D
Explanation:
The stored-program concept, where instructions and data coexist in the same memory space, is known as the Von Neumann Architecture.
The stored-program concept, where instructions and data coexist in the same memory space, is known as the Von Neumann Architecture.
This question belongs to:
Computer
Computer Fundamentals
Question #5
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Which generation of computers introduced Ultra Large Scale Integration (ULSI) technology, integrating millions of electronic components onto a single microchip?
Correct Answer: Option A
Explanation:
The Fifth Generation utilizes ULSI technology along with artificial intelligence, whereas the Fourth Generation primarily relied on VLSI (Very Large Scale Integration).
The Fifth Generation utilizes ULSI technology along with artificial intelligence, whereas the Fourth Generation primarily relied on VLSI (Very Large Scale Integration).
This question belongs to:
Computer
Computer Fundamentals
Question #6
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Which class of computers is specifically optimized to manage massive transaction processing and support thousands of simultaneous users in large enterprises like banks or airline reservation systems?
Correct Answer: Option B
Explanation:
Mainframe computers excel at high-volume transaction processing and simultaneous user handling, whereas supercomputers are optimized for complex computational speed.
Mainframe computers excel at high-volume transaction processing and simultaneous user handling, whereas supercomputers are optimized for complex computational speed.
This question belongs to:
Computer
Computer Fundamentals
Question #7
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Which computer system from the first-generation era is widely recognized as the first general-purpose electronic digital computer?
Correct Answer: Option C
Explanation:
ENIAC (Electronic Numerical Integrator and Computer), designed by Mauchly and Eckert, was the first general-purpose electronic programmable digital computer.
ENIAC (Electronic Numerical Integrator and Computer), designed by Mauchly and Eckert, was the first general-purpose electronic programmable digital computer.
This question belongs to:
Computer
Computer Fundamentals
Question #8
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A petrol pump dispenser measures the flow of fuel continuously and displays the total price numerically on a screen. This device is an example of which type of computer?
Correct Answer: Option D
Explanation:
A hybrid computer combines the features of both analog (measuring continuous flow) and digital (displaying discrete numerical values) systems.
A hybrid computer combines the features of both analog (measuring continuous flow) and digital (displaying discrete numerical values) systems.
This question belongs to:
Computer
Computer Fundamentals
Question #9
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Which component inside a CPU directs the flow of signals and coordinates the activities of all other functional units of the computer?
Correct Answer: Option B
Explanation:
The Control Unit (CU) acts as the supervisor of the system, fetching instructions, decoding them, and dispatching control signals across the computer.
The Control Unit (CU) acts as the supervisor of the system, fetching instructions, decoding them, and dispatching control signals across the computer.
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Computer
Computer Fundamentals
Question #10
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The term 'GIGO' (Garbage In, Garbage Out) directly highlights which fundamental characteristic of a computer system?
Correct Answer: Option A
Explanation:
GIGO means that the accuracy of a computer's output depends entirely on the accuracy of the input data it receives.
GIGO means that the accuracy of a computer's output depends entirely on the accuracy of the input data it receives.
This question belongs to:
Computer
Computer Fundamentals
