Bn Ch 3 Chapter Test

20 Questions | Total Attempts: 87

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Bn Ch 3 Chapter Test

Questions and Answers
  • 1. 
    A changing electric current that carries information is a(n)
    • A. 

      Electronic signal

    • B. 

      Diode

    • C. 

      Transistor

    • D. 

      Semiconductor

  • 2. 
    Can be represented by a series of numbers
    • A. 

      Microprocessor

    • B. 

      Digital signal

    • C. 

      Read-only memory

  • 3. 
    Electrical conductivity can be controlled by adding impurities
    • A. 

      Binary system

    • B. 

      Diode

    • C. 

      Semiconductor

    • D. 

      Microprocessor

  • 4. 
    Allows current to flow in only one direction
    • A. 

      Semiconductor

    • B. 

      Transistor

    • C. 

      Diode

    • D. 

      Binary system

  • 5. 
    Can be used as an electronic switch or as an ampliphier
    • A. 

      Diode

    • B. 

      Transistor

    • C. 

      Read-only memory

    • D. 

      Random-access memory

  • 6. 
    Contains large numbers of solid-state components and is made from a semiconductor
    • A. 

      Integrated circuit

    • B. 

      Electronic signal

    • C. 

      Digital signal

    • D. 

      Computer hardware

  • 7. 
    Number system using two digits
    • A. 

      Diode

    • B. 

      Read-only memory

    • C. 

      Analog signal

    • D. 

      Binary system

  • 8. 
    Input devices, output devices, memory storage devices are all examples of
    • A. 

      Computer hardware

    • B. 

      Computer software

    • C. 

      Integrated circuits

    • D. 

      Microprocessor

  • 9. 
    Central Processing Unit (CPU) is a
    • A. 

      Transistor

    • B. 

      Microprocessor

    • C. 

      Electronic signal

    • D. 

      Digital signal

  • 10. 
    Temporary memory
    • A. 

      RAM

    • B. 

      ROM

  • 11. 
    Permenant memory
    • A. 

      RAM

    • B. 

      ROM

  • 12. 
    LIst of instructions for the computer
    • A. 

      Transistor

    • B. 

      Diode

    • C. 

      Software

    • D. 

      Hardware

  • 13. 
    Electronic signal that varies smoothly in time
    • A. 

      Digital signal

    • B. 

      Analog signal

  • 14. 
    A kind of tube used in old televisions instead of semiconductors
    • A. 

      Analog

    • B. 

      Solid state

    • C. 

      Vacuum tube

    • D. 

      Diode

  • 15. 
    Adding impurities to change the conductivity of semiconductors
    • A. 

      Digitization

    • B. 

      Doping

    • C. 

      Integrated

    • D. 

      Computer

  • 16. 
    A type of memory that stores computer information magnetically (and one that we no longer use)
    • A. 

      Floppy disk

    • B. 

      ROM

    • C. 

      RAM

  • 17. 
    The instructions to start a computer are usually foiund in
    • A. 

      Hard disk

    • B. 

      RAM

    • C. 

      ROM

  • 18. 
    A byte is
    • A. 

      A 1 or 0

    • B. 

      Off or on

    • C. 

      8 bits

  • 19. 
    A semiconductor is a
    • A. 

      Metalloid

    • B. 

      Gold

    • C. 

      Increases current

  • 20. 
    Places checkmarks on all of the input devices
    • A. 

      Mouse

    • B. 

      Keyboard

    • C. 

      Monitor

    • D. 

      Speakers

    • E. 

      Scanner

    • F. 

      Printer

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