Practice test

Introduction to computer - Test Set 5

Review 20 exam-focused questions with detailed explanations, then start the interactive test when you are ready.

20 questions

Questions and explanations

  1. Question 1

    Which of the following phases is responsible for carrying out the operation specified by the instruction?
    1. Decode
    2. Fetch
    3. Execute
    4. Store
    View explanation

    Sign In to See Explanations. Sign Up Here

  2. Question 2

    What happens during the store phase of the instruction cycle?
    1. The instruction is retrieved from memory
    2. The instruction is decoded
    3. The next instruction is fetched
    4. The result of execution is written back to memory
    View explanation

    Sign In to See Explanations. Sign Up Here

  3. Question 3

    Which of the following port is used for connecting eight or more data wires to provide high speed data transmission?
    1. Parallel
    2. Serial
    3. USB
    4. Firewire
    View explanation

    Sign In to See Explanations. Sign Up Here

  4. Question 4

    Which among the following ports is also known as Line Printer Port?
    1. Parallel
    2. Display
    3. Video Graphic Array
    4. High Definition Media Interface
    View explanation

    Sign In to See Explanations. Sign Up Here

  5. Question 5

    A _________port transmits one bit of a byte at a time as a single stream of bits. It is meant for transmitting slow data over long distances.
    1. parallel
    2. serial
    3. display
    4. universal serial bus
    View explanation

    Sign In to See Explanations. Sign Up Here

  6. Question 6

    Which among the following ports is also called as mouse port?
    1. Video Graphic Array
    2. Firewire
    3. High Definition Media Interface
    4. PS/2
    View explanation

    Sign In to See Explanations. Sign Up Here

  7. Question 7

    Which of the following factors directly affects the speed of a computer's CPU?
    1. Clock speed
    2. Screen resolution
    3. Operating system
    4. Number of USB ports
    View explanation

    Sign In to See Explanations. Sign Up Here

  8. Question 8

    How does an increase in RAM improve computer performance?
    1. By increasing processing power
    2. By allowing more data to be stored temporarily
    3. By speeding up the hard drive
    4. By improving graphic resolution
    View explanation

    Sign In to See Explanations. Sign Up Here

  9. Question 9

    How does a higher cache memory in the CPU affect computer performance?
    1. It improves the quality of audio output
    2. It increases the size of the monitor display
    3. It speeds up the retrieval of frequently used data
    4. It reduces the amount of data stored on the hard drive
    View explanation

    Sign In to See Explanations. Sign Up Here

  10. Question 10

    Control unit of a digital computer is often called the
    1. clock
    2. nerve centre
    3. IC
    4. Both (a) and (b)
    View explanation

    Sign In to See Explanations. Sign Up Here

  11. Question 11

    CPU retrieves its data and instructions from
    1. secondary memory
    2. auxiliary memory
    3. main memory
    4. All of these
    View explanation

    Sign In to See Explanations. Sign Up Here

  12. Question 12

    Which computer memory is used for storing programs and data currently being processed by the CPU?
    1. Mass memory
    2. Internal memory
    3. PROM
    4. Non-volatile memory
    View explanation

    Sign In to See Explanations. Sign Up Here

  13. Question 13

    The word 'computer' usually refers to the central processing unit plus
    1. external memory
    2. input devices
    3. internal memory
    4. output devices
    View explanation

    Sign In to See Explanations. Sign Up Here

  14. Question 14

    Which is not an integral part of computer?
    1. CPU
    2. UPS
    3. Monitor
    4. Mouse
    View explanation

    Sign In to See Explanations. Sign Up Here

  15. Question 15

    Which unit is a combinational digital electronic circuit that performs arithmetic and bitwise operations on integer binary numbers?
    1. BOU
    2. AEU
    3. CPU
    4. ALU
    View explanation

    Sign In to See Explanations. Sign Up Here

  16. Question 16

    Which among the following is a small set of data holding place that is a part of the computer processor and may hold an instruction, a storage address, or any kind of data?
    1. Register
    2. Bus
    3. Address
    4. WAN
    View explanation

    Sign In to See Explanations. Sign Up Here

  17. Question 17

    A computer can only understand ___________ directly.
    1. machine language
    2. algorithms
    3. high-level language
    4. middle-level language
    View explanation

    Sign In to See Explanations. Sign Up Here

  18. Question 18

    Which of the following statements about computers is correct?
    1. Computer can organize all the information itself.
    2. Computer cable is made of software.
    3. Computer is made up of hardware only.
    4. It is an electronic device that stores, retrieves and processes data.
    View explanation

    Sign In to See Explanations. Sign Up Here

  19. Question 19

    Which of the following cycles includes its components as input, processing, output and storage?
    1. Processing
    2. Output
    3. Data
    4. Storage
    View explanation

    Sign In to See Explanations. Sign Up Here

  20. Question 20

    ________ provides the raw facts while ________ makes the data meaningful.
    1. Information, reporting
    2. Data, information
    3. Information, bits
    4. Records, bytes
    View explanation

    Sign In to See Explanations. Sign Up Here