Computer Fundamentals MCQs

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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.

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Total Questions

Practice Questions

Page 6 of 17
Question #101
Which class of computing systems was historically nicknamed 'Big Iron' due to their massive structural scale, high security, and dominance in enterprise transaction networks?
A. Mainframe Computers
B. Supercomputers
C. Workstations
D. Minicomputers
Discuss
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Correct Answer: Option A

Explanation:
Mainframe computers are often called 'Big Iron' due to their vast infrastructure footprints and massive enterprise data-processing roles.
This question belongs to: Computer Computer Fundamentals
Question #102
The use of Integrated Circuits (ICs) on silicon wafers became the primary design characteristic of which computer generation?
A. Fourth Generation
B. Third Generation
C. Second Generation
D. First Generation
Discuss
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Correct Answer: Option B

Explanation:
The Third Generation introduced Integrated Circuit technology, replacing individual board-mounted transistors.
This question belongs to: Computer Computer Fundamentals
Question #103
Which electronic component served as the core physical switcher and amplifier inside second-generation computers, rendering vacuum tubes obsolete?
A. Integrated Circuits
B. Magnetic Drums
C. Transistors
D. Silicon Microchips
Discuss
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Correct Answer: Option C

Explanation:
Transistors replaced vacuum tubes in the second generation, making computers smaller, faster, cooler, and far more energy efficient.
This question belongs to: Computer Computer Fundamentals
Question #104
A type of small computer that is designed to fit entirely onto a single circuit board, containing a microprocessor, RAM, and basic I/O interfaces for hobbyists is a:
A. Supercomputer
B. Single-board Microcomputer
C. Mainframe
D. Analog Controller
Discuss
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Correct Answer: Option B

Explanation:
Single-board computers (like the Raspberry Pi) are full microcomputers built on a lone circuit board, widely used for embedded projects.
This question belongs to: Computer Computer Fundamentals
Question #105
The design characteristic of a computer that guarantees uniform calculations without introducing calculation drift or programmatic variance is known as:
A. Diligence
B. Accuracy
C. Versatility
D. Speed
Discuss
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Correct Answer: Option B

Explanation:
Accuracy ensures that if the input data and software instructions are valid, the computer will perform calculations with absolute precision.
This question belongs to: Computer Computer Fundamentals
Question #106
Which component inside a desktop computer case serves as the central structural circuit board, linking the CPU, memory, and expansion cards together?
A. Motherboard
B. Hard Drive Platters
C. Power Supply Brick
D. Sound Card
Discuss
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Correct Answer: Option A

Explanation:
The motherboard (or mainboard) is the primary printed circuit board that physically connects and enables communication among hardware components.
This question belongs to: Computer Computer Fundamentals
Question #107
What historic calculating invention by Herman Hollerith introduced a mechanical pin mechanism that completed electrical circuits when it encountered a hole in a card?
A. Punched Card Tabulator
B. Step Reckoner
C. Pascaline
D. Difference Engine
Discuss
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Correct Answer: Option A

Explanation:
Hollerith's tabulating machine used electromechanical sense pins that completed electrical circuits through holes punched in paper cards.
This question belongs to: Computer Computer Fundamentals
Question #108
Which generation of computers introduced Very Large Scale Integration (VLSI) and witnessed the birth of the commercial internet and laptop computers?
A. Fourth Generation
B. Third Generation
C. Second Generation
D. Fifth Generation
Discuss
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Correct Answer: Option A

Explanation:
The Fourth Generation used VLSI chips, enabling the development of standard personal computers, laptops, and modern networks.
This question belongs to: Computer Computer Fundamentals
Question #109
A computer system built with a single internal architecture optimized to handle both continuous physical waves and discrete data strings simultaneously is a:
A. Mainframe System
B. Digital System
C. Analog System
D. Hybrid System
Discuss
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Correct Answer: Option D

Explanation:
Hybrid systems bridge the gap between analog and digital worlds, integrating processing nodes for both data formats into one layout.
This question belongs to: Computer Computer Fundamentals
Question #110
What is the technical definition of the 'Execution Cycle' (E-Time) in the context of computer instruction processing?
A. The time required to boot the operating system core.
B. The time during which an instruction is actually executed by the ALU and stored.
C. The time during which the ALU decodes an instruction format.
D. The time spent fetching an instruction from primary memory.
Discuss
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Correct Answer: Option B

Explanation:
E-Time (Execution Time) represents the phase where the instruction is carried out by the ALU, and the resulting data is written to a register or memory.
This question belongs to: Computer Computer Fundamentals
Question #111
Which structural computer division provides advanced raw processing assets for single users in specific fields like financial quantitative analytics or audio engineering?
A. Analog Node
B. Mainframe
C. Workstation
D. Minicomputer
Discuss
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Correct Answer: Option C

Explanation:
Workstations offer single users advanced hardware specifications (high-end RAM, advanced GPUs) tailored for heavy specialized workflows.
This question belongs to: Computer Computer Fundamentals
Question #112
The absolute absence of independent creative thinking or self-initiated conceptual innovation in a traditional computer demonstrates that it has:
A. No IQ
B. No Feelings
C. High Versatility
D. Diligence
Discuss
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Correct Answer: Option A

Explanation:
Computers execute purely deterministic processes based on human instructions, demonstrating that they possess no innate intelligence (No IQ).
This question belongs to: Computer Computer Fundamentals
Question #113
Which early computing system built during World War II was designed specifically to help British codebreakers decipher encrypted German Enigma communications?
A. B
B. UNIVAC I
C. ENIAC
D. Colossus
Discuss
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Correct Answer: Option D

Explanation:
Colossus was the world's first programmable electronic digital computer device, built at Bletchley Park to crack military wartime codes.
This question belongs to: Computer Computer Fundamentals
Question #114
What type of data processing approach was heavily used in first-generation systems, where groups of cards were gathered and processed in a single run without user interaction?
A. Distributed Processing
B. Interactive Processing
C. Batch Processing
D. Real-time Processing
Discuss
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Correct Answer: Option C

Explanation:
Early systems relied on Batch Processing, where workloads were queued together as a single batch and run sequentially without manual intervention.
This question belongs to: Computer Computer Fundamentals
Question #115
Which metric evaluates the internal processing throughput of older mainframe systems, indicating how many millions of instructions can be resolved per second?
A. Baud
B. Hertz
C. MIPS
D. FLOPS
Discuss
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Correct Answer: Option C

Explanation:
MIPS (Millions of Instructions Per Second) is an older computing standard used to track general integer instruction processing speeds.
This question belongs to: Computer Computer Fundamentals
Question #116
A type of specialized computer chip embedded directly inside an automobile braking system to monitor wheel slippage and engage anti-lock braking automatically is an:
A. Embedded Computer
B. Analog Interface
C. Mainframe Node
D. Supercomputer Module
Discuss
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Correct Answer: Option A

Explanation:
Embedded computers are dedicated microcontrollers buried within vehicles or machinery to run specialized real-time control software.
This question belongs to: Computer Computer Fundamentals
Question #117
Which computing pioneer designed the 'Analytical Engine', an unbuilt mechanical machine that conceptually utilized sequential control loops and condition jumps?
A. Blaise Pascal
B. Alan Turing
C. Charles Babbage
D. John von Neumann
Discuss
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Correct Answer: Option C

Explanation:
Charles Babbage's design for the Analytical Engine detailed an programmable mechanical computer featuring modern control logic concepts.
This question belongs to: Computer Computer Fundamentals
Question #118
The foundational capacity of a computer to carry out millions of repetitive mathematical operations per second without drifting in accuracy highlights its:
A. Speed
B. Diligence
C. Versatility
D. Storage Capacity
Discuss
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Correct Answer: Option A

Explanation:
Speed refers to the computer’s capability to execute complex binary instructions in fractions of a microsecond or nanosecond.
This question belongs to: Computer Computer Fundamentals
Question #119
Which memory layout is inherently volatile, losing all its cached configurations and data records immediately when electrical power is disrupted?
A. Magnetic Tape
B. RAM Modules
C. Flash Storage
D. ROM Chip
Discuss
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Correct Answer: Option B

Explanation:
RAM is volatile memory; it requires continuous electrical current to maintain its logic states and flushes completely upon power loss.
This question belongs to: Computer Computer Fundamentals
Question #120
What physical media served as the primary external backup and secondary storage format during the second generation of computers?
A. Magnetic Tapes and Disks
B. Solid State Flash Drives
C. Punched Paper Cards
D. Optical CD-ROMs
Discuss
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Correct Answer: Option A

Explanation:
Second-generation computer systems saw a transition from paper-based punched cards to faster, re-recordable magnetic tapes and early disks.
This question belongs to: Computer Computer Fundamentals

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