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Introduction to Computer — GK Questions with Answers

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30 questions
  1. From which language does the word computer come?
    1. Greek
    2. English
    3. Hindi
    4. Latin
    Show answer

    Answer: (D) Latin

    It comes from the Latin computare (to calculate).

  2. What is the correct order of the four functions of a computer?
    1. Process, output, input, storage
    2. Input, output, process, storage
    3. Input, process, output, storage
    4. Process, storage, input, output
    Show answer

    Answer: (C) Input, process, output, storage

    Data comes in first, then work is done on it, then the result is shown and finally it is saved.

  3. Which of these can a computer not do?
    1. Addition
    2. Division
    3. Taking decisions by thinking on its own
    4. Storing data
    Show answer

    Answer: (C) Taking decisions by thinking on its own

    A computer only follows instructions; it does not think by itself.

  4. The item numbers and descriptions entered from an order form are what for the computer?
    1. Output
    2. Input
    3. Feedback
    4. Processing
    Show answer

    Answer: (B) Input

    Whatever information is put into the computer is input.

  5. What is “wrong input, wrong output” called?
    1. GIGO
    2. RAM
    3. ROM
    4. CPU
    Show answer

    Answer: (A) GIGO

    GIGO = Garbage In, Garbage Out.

  6. What are unprocessed raw facts and figures called?
    1. Information
    2. Data
    3. Program
    4. Instruction
    Show answer

    Answer: (B) Data

    After processing, the same data becomes information.

  7. Among the nine features, what is “a new hardware setting itself up as soon as it is added”?
    1. Automation
    2. Plug and play
    3. Secrecy
    4. Versatility
    Show answer

    Answer: (B) Plug and play

    This is plug and play. Automation means finishing a job by itself once instructions are given.

  8. Which is the oldest counting tool?
    1. Calculator
    2. Difference Engine
    3. Abacus
    4. Analytical Engine
    Show answer

    Answer: (C) Abacus

    The abacus is the oldest; addition and subtraction are done on it.

  9. Who gave the Rabdologia technique?
    1. Blaise Pascal
    2. John Napier
    3. Charles Babbage
    4. Herman Hollerith
    Show answer

    Answer: (B) John Napier

    Napier’s Bones were for multiplication and the technique is called Rabdologia.

  10. Which was the first mechanical adding machine?
    1. Pascaline
    2. Jacquard’s Loom
    3. MARK-1
    4. ENIAC
    Show answer

    Answer: (A) Pascaline

    The Pascaline (1642) was Blaise Pascal’s machine.

  1. Who first used punched cards?
    1. Herman Hollerith
    2. Joseph Marie Jacquard
    3. Howard Aiken
    4. John Napier
    Show answer

    Answer: (B) Joseph Marie Jacquard

    Jacquard did it in 1801 for weaving cloth.

  2. What was the memory (store) of the Analytical Engine made of?
    1. RAM
    2. Floppies
    3. Vacuum tubes
    4. Counter wheels
    Show answer

    Answer: (D) Counter wheels

    Babbage’s machine was mechanical, so its memory was made of wheels.

  3. Which was the first electromechanical machine, built for the 1890 census?
    1. UNIVAC
    2. Tabulating Machine
    3. EDSAC
    4. IBM-650
    Show answer

    Answer: (B) Tabulating Machine

    It was made by Herman Hollerith.

  4. Which is the first electronic digital computer?
    1. ENIAC
    2. MARK-1
    3. Pascaline
    4. Jacquard loom
    Show answer

    Answer: (A) ENIAC

    ENIAC (1946) is the work of Eckert and Mauchly.

  5. Which is regarded as the first general-purpose electronic computer?
    1. EDVAC
    2. ADSAC
    3. UNIVAC
    4. MARK-1
    Show answer

    Answer: (C) UNIVAC

    UNIVAC (1951), with magnetic tapes, is the first general-purpose electronic computer.

  6. In which generation were computers built on vacuum tubes?
    1. First
    2. Second
    3. Third
    4. Fourth
    Show answer

    Answer: (A) First

    The vacuum tube is the mark of the first generation (1940–56).

  7. What is the period of the second generation?
    1. 1946–58
    2. 1956–63
    3. 1957–64
    4. 1940–60
    Show answer

    Answer: (B) 1956–63

    The second generation is 1956–63; the other options look alike but are wrong.

  8. Which material is an IC (chip) made of?
    1. Copper
    2. Silicon
    3. Gold
    4. Silver
    Show answer

    Answer: (B) Silicon

    An IC is a complete circuit built on a small silicon chip.

  9. To which generation do PCs belong and what do they contain?
    1. Third — ICs
    2. Second — transistors
    3. Fourth — microprocessors
    4. First — vacuum tubes
    Show answer

    Answer: (C) Fourth — microprocessors

    PCs are fourth generation and contain a microprocessor.

  10. Which generation does Artificial Intelligence belong to?
    1. Third
    2. Fourth
    3. Fifth
    4. Second
    Show answer

    Answer: (C) Fifth

    The fifth generation (now and beyond) is the age of AI and robotics.

  1. In which laboratory was the transistor invented?
    1. Bell Laboratory
    2. C-DAC
    3. IITM
    4. IBM
    Show answer

    Answer: (A) Bell Laboratory

    The transistor is the gift of Bell Laboratory.

  2. Which are the three basic physical parts of a microcomputer?
    1. Keyboard, monitor, hard drive
    2. System unit, input/output, memory
    3. System unit, primary and secondary storage
    4. Mouse, printer, monitor
    Show answer

    Answer: (B) System unit, input/output, memory

    The three categories are the system unit, the input/output unit and the memory unit.

  3. Which of these is the costliest computer?
    1. Notebook
    2. Personal computer
    3. Laptop
    4. Mainframe
    Show answer

    Answer: (D) Mainframe

    A mainframe is big and expensive; it is used through terminals.

  4. Which computer, first built for CAD calculations and now used as a server?
    1. Micro
    2. Super
    3. Mini
    4. Palmtop
    Show answer

    Answer: (C) Mini

    The minicomputer was built for engineering and CAD, and is now the server.

  5. Which is India’s first supercomputer?
    1. CRAY-1
    2. PARAM
    3. Pratyush
    4. Tianhe-2
    Show answer

    Answer: (B) PARAM

    PARAM is India’s first supercomputer; CRAY-1 is the world’s first.

  6. For which purpose is the Pratyush supercomputer dedicated?
    1. Multimedia
    2. Weather forecasting
    3. Recreation
    4. Military personnel
    Show answer

    Answer: (B) Weather forecasting

    Installed at IITM Pune and NCMRWF Noida, it serves weather and climate research.

  7. What type of computers are hospital ECG and dialysis machines?
    1. Digital
    2. Hybrid
    3. Analog
    4. Micro
    Show answer

    Answer: (B) Hybrid

    They combine analog and digital features.

  8. Which of these is not an example of a special-purpose computer?
    1. Automatic aircraft landing
    2. Word processor
    3. Multimedia computer
    4. All of these
    Show answer

    Answer: (B) Word processor

    A word processor is a general job, so it is not special purpose.

  9. Which branch deals with the design, construction and operation of robots?
    1. Robotics
    2. Artificial intelligence
    3. Nano computer
    4. Quantum computer
    Show answer

    Answer: (A) Robotics

    This is the definition of robotics.

  10. Who first put forward the idea of the quantum computer?
    1. John Napier
    2. Richard Feynman
    3. Seymour Cray
    4. Howard Aiken
    Show answer

    Answer: (B) Richard Feynman

    Richard Feynman put forward this idea based on quantum mechanics.

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