Computer Knowledge miscellaneous: Test 1

10 questions · 15 minutes · scoring and calculator rules shown before you begin

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  1. The set has 10 questions. The configured time limit is 15 minutes. The timer starts after you confirm the rules.
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Miscellaneous Test 1: questions and answers

Take the test first if you want an honest score. The answers and solutions below are folded away until you open them.

  1. 1. 1 byte is equal to
    1. 8 bits
    2. 16 bits
    3. 1024 bits
    4. 4 bits

    Reference: q-f8a03509-19 · Report this question

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    Answer: A. 8 bits

    A byte is a group of 8 bits.
  2. 2. Which part is called the brain of the computer?
    1. Monitor
    2. RAM
    3. Hard disk
    4. CPU

    Reference: q-40fab519-48 · Report this question

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    Answer: D. CPU

    The CPU does the processing, so it is called the brain of the computer.
  3. 3. Who is known as the father of the computer?
    1. Charles Babbage
    2. Tim Berners-Lee
    3. Alan Turing
    4. Bill Gates

    Reference: q-da54283d-44 · Report this question

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    Answer: A. Charles Babbage

    Charles Babbage designed the Analytical Engine, the forerunner of the modern computer.
  4. 4. Which of the following is a volatile memory?
    1. RAM
    2. Hard disk
    3. DVD
    4. ROM

    Reference: q-11cff120-45 · Report this question

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    Answer: A. RAM

    RAM loses its contents when the power is switched off.
  5. 5. The binary number system has a base of
    1. 16
    2. 8
    3. 2
    4. 10

    Reference: q-1b29ddc-39 · Report this question

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    Answer: C. 2

    Binary uses only two digits, 0 and 1.
  6. 6. First generation computers were based on
    1. Integrated circuits
    2. Vacuum tubes
    3. Transistors
    4. Microprocessors

    Reference: q-26ed2222-41 · Report this question

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    Answer: B. Vacuum tubes

    The first generation used vacuum tubes; transistors came in the second.
  7. 7. The World Wide Web was invented by
    1. Vint Cerf
    2. Steve Jobs
    3. Charles Babbage
    4. Tim Berners-Lee

    Reference: q-aa4048b0-35 · Report this question

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    Answer: D. Tim Berners-Lee

    Tim Berners-Lee invented the World Wide Web in 1989.
  8. 8. 1 kilobyte (KB) is equal to
    1. 1024 bits
    2. 1024 bytes
    3. 100 bytes
    4. 1000 bits

    Reference: q-63cf19e2-28 · Report this question

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    Answer: B. 1024 bytes

    1 KB = 1024 bytes.
  9. 9. Which of the following is an operating system?
    1. Linux
    2. Microsoft Excel
    3. Google Chrome
    4. Adobe Photoshop

    Reference: q-f37c8b3f-47 · Report this question

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    Answer: A. Linux

    Linux is an operating system; the others are application programs.
  10. 10. A program that translates an entire high-level language program into machine code at once is called
    1. A compiler
    2. A loader
    3. An interpreter
    4. An assembler

    Reference: q-37c1c0fa-100 · Report this question

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    Answer: A. A compiler

    A compiler translates the whole program at once; an interpreter works line by line.

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