Computer Fundamentals MCQs

Computer

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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Practice Questions

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Question #41
Which structural classification represents mid-sized computers that offer higher processing power than microcomputers and can support dozens of users concurrently?
A. Minicomputers
B. Workstations
C. Supercomputers
D. Mainframe Computers
Discuss
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Correct Answer: Option A

Explanation:
Minicomputers (or mid-range servers) are multi-user systems positioned between small single-user microcomputers and massive corporate mainframes.
This question belongs to: Computer Computer Fundamentals
Question #42
A microchip embedded within a modern household refrigerator or microwave to manage temperature and timers automatically functions as a/an:
A. Analog Computer
B. Embedded Computer
C. Mainframe Computer
D. Supercomputer
Discuss
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Correct Answer: Option B

Explanation:
Embedded computers are dedicated microprocessors integrated directly into non-computer hardware to control specific automated tasks.
This question belongs to: Computer Computer Fundamentals
Question #43
Which historical device utilized punched cards to automate complex patterns in weaving textiles, directly inspiring early data storage designs?
A. Napier's Bones
B. Abacus
C. Jacquard Loom
D. Pascaline
Discuss
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Correct Answer: Option C

Explanation:
The Jacquard Loom (1804) used punched wooden cards to control fabric patterns, laying a conceptual foundation for early computer data storage.
This question belongs to: Computer Computer Fundamentals
Question #44
The internal storage unit that holds data, instructions, and intermediate results during active execution inside the computer is the:
A. Secondary Memory
B. Auxiliary Storage
C. Control Memory
D. Primary Memory
Discuss
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Correct Answer: Option D

Explanation:
Primary Memory (RAM) holds data, programs, and intermediate computation states while they are actively being processed by the CPU.
This question belongs to: Computer Computer Fundamentals
Question #45
Which metric is the standard unit of measurement for evaluating the high-speed computational performance of modern supercomputers?
A. Baud
B. MIPS
C. FLOPS
D. Hertz
Discuss
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Correct Answer: Option C

Explanation:
Supercomputer speeds are measured in FLOPS (Floating-Point Operations Per Second) due to the high-precision scientific math they perform.
This question belongs to: Computer Computer Fundamentals
Question #46
Which limitation of computers highlights that they lack the capability to experience human emotions, intuition, or personal judgment?
A. No IQ
B. Dependency
C. Lack of Diligence
D. No Feelings
Discuss
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Correct Answer: Option D

Explanation:
Computers operate purely on mathematical logic and algorithms, meaning they possess 'No Feelings' or emotional context.
This question belongs to: Computer Computer Fundamentals
Question #47
What type of primary internal memory architecture replaced magnetic drums during the second generation of computers?
A. Magnetic Core Memory
B. Optical Storage
C. Flash Memory
D. Semiconductor Memory
Discuss
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Correct Answer: Option A

Explanation:
Second-generation computers migrated from slow magnetic drums to faster magnetic core memories for internal random-access storage.
This question belongs to: Computer Computer Fundamentals
Question #48
Which component inside a modern computer converts incoming alternating current (AC) power from a wall outlet into the stable direct current (DC) power required by internal circuitry?
A. UPS
B. SMPS
C. CPU
D. BIOS
Discuss
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Correct Answer: Option B

Explanation:
The SMPS (Switched-Mode Power Supply) regulates and converts electrical current from AC to safe, low-voltage DC for computer hardware.
This question belongs to: Computer Computer Fundamentals
Question #49
The fundamental, non-stop processing loop of a standard computer system follows which sequential chain of operations?
A. Storage -> Input -> Process
B. Input -> Process -> Output
C. Process -> Fetch -> Execute
D. Output -> Control -> Process
Discuss
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Correct Answer: Option B

Explanation:
All computers work on the core Input-Process-Output (IPO) cycle, transforming raw input data into structured output information.
This question belongs to: Computer Computer Fundamentals
Question #50
Which early calculating instrument, composed of a wooden frame holding parallel rods with sliding beads, is recognized as the world's first computing device?
A. Pascaline
B. Slide Rule
C. Napier's Bones
D. Abacus
Discuss
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Correct Answer: Option D

Explanation:
The Abacus, developed thousands of years ago, was the earliest structured mechanical device used for basic arithmetic calculations.
This question belongs to: Computer Computer Fundamentals
Question #51
Fifth-generation computers are defined by their integration of which primary technological frontier?
A. Transistors
B. Vacuum Tubes
C. Very Large Scale Integration
D. Artificial Intelligence
Discuss
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Correct Answer: Option D

Explanation:
The Fifth Generation focuses on Artificial Intelligence (AI), parallel processing hardware, and natural language understanding.
This question belongs to: Computer Computer Fundamentals
Question #52
Which section of the central processing unit is specifically designed to perform comparisons, such as determining if one variable is equal to another?
A. Logic Unit
B. Storage Unit
C. Input Unit
D. Control Unit
Discuss
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Correct Answer: Option A

Explanation:
The Logic Unit (part of the ALU) handles logical operations, conditional statements, and relational comparisons (AND, OR, NOT, , =).
This question belongs to: Computer Computer Fundamentals
Question #53
What primary type of memory chip is fast, volatile, allows data to be read and written in any order, and acts as the main workspace of the CPU?
A. Hard Disk
B. EPROM
C. RAM
D. ROM
Discuss
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Correct Answer: Option C

Explanation:
RAM (Random Access Memory) is the primary volatile workspace that lets the processor read and write temporary data instantly.
This question belongs to: Computer Computer Fundamentals
Question #54
Which computing pioneer designed the Tabulating Machine, which used punched cards to compile statistics for the 1890 United States Census?
A. Gottfried Leibniz
B. Lady Ada Lovelace
C. Charles Babbage
D. Herman Hollerith
Discuss
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Correct Answer: Option D

Explanation:
Herman Hollerith invented the electromechanical punched card tabulator, founding a company that eventually merged to form IBM.
This question belongs to: Computer Computer Fundamentals
Question #55
Computers designed specifically to manage heavy commercial enterprise databases, banking transactions, and airline reservation traffic simultaneously are known as:
A. Mainframe Computers
B. Workstations
C. Microcomputers
D. Supercomputers
Discuss
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Correct Answer: Option A

Explanation:
Mainframe computers excel at handling massive, continuous transaction volumes and supporting thousands of concurrent users reliably.
This question belongs to: Computer Computer Fundamentals
Question #56
Which technology was used to pack hundreds of thousands of transistors onto a single silicon chip during the fourth generation of computers?
A. VLSI (Very Large Scale Integration)
B. ULSI (Ultra Large Scale Integration)
C. MSI (Medium Scale Integration)
D. SSI (Small Scale Integration)
Discuss
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Correct Answer: Option A

Explanation:
The fourth generation relies heavily on VLSI technology, allowing thousands to hundreds of thousands of components on one microprocessor.
This question belongs to: Computer Computer Fundamentals
Question #57
A computer system that operates purely on discrete values and binary digits (0s and 1s) to perform mathematical operations is classified as a/an:
A. Digital Computer
B. Mechanical Computer
C. Analog Computer
D. Hybrid Computer
Discuss
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Correct Answer: Option A

Explanation:
Digital computers represent and process data using discrete numerical states, typically base-2 binary code.
This question belongs to: Computer Computer Fundamentals
Question #58
Who is universally recognized as the 'Father of Modern Computer Science' due to his theoretical foundational work on algorithms and universal computing machines?
A. Dennis Ritchie
B. John von Neumann
C. Alan Turing
D. Charles Babbage
Discuss
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Correct Answer: Option C

Explanation:
Alan Turing provided the formal mathematical models of computation (Turing Machines) that form the theoretical basis of computer science.
This question belongs to: Computer Computer Fundamentals
Question #59
The ability of a computer to work continuously for hours or days without fatigue, errors, or loss of concentration is a manifestation of:
A. Speed
B. Accuracy
C. Versatility
D. Diligence
Discuss
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Correct Answer: Option D

Explanation:
Diligence is the computer's capacity to execute tedious, high-volume tasks endlessly without experiencing fatigue or degrading performance.
This question belongs to: Computer Computer Fundamentals
Question #60
Which of the following early electronic systems was the first commercial, mass-produced digital computer sold to corporate and government clients?
A. EDSAC
B. UNIVAC I
C. ENIAC
D. EDVAC
Discuss
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Correct Answer: Option B

Explanation:
UNIVAC I (Universal Automatic Computer) was the first commercial computer produced in the US, designed for business data applications.
This question belongs to: Computer Computer Fundamentals

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