Dip_test On Computer Technology

10 Questions | Total Attempts: 191

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Dip_test On Computer Technology

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Questions and Answers
  • 1. 
    Numbers are stored and transmitted inside a computer in
    • A. 

      Binary form

    • B. 

      ASCII code form

    • C. 

      Decimal form

    • D. 

      Alphanumeric form

    • E. 

      None of this

  • 2. 
    The minimum number of bits required to store the hexadecimal number FF is
    • A. 

      2

    • B. 

      4

    • C. 

      8

    • D. 

      16

    • E. 

      20

  • 3. 
    The 4-bit binary number 0111 represents?
    • A. 

      15

    • B. 

      -7

    • C. 

      7

    • D. 

      -1

    • E. 

      0

  • 4. 
    The 8-bit binary number 1111 1111 represents
    • A. 

      255

    • B. 

      -255

    • C. 

      -127

    • D. 

      -1

    • E. 

      128

  • 5. 
    A 20-bit address bus allows access to a memory of capacity
    • A. 

      1 Mb

    • B. 

      2 Mb

    • C. 

      32 Mb

    • D. 

      64 Mb

    • E. 

      128 Mb

  • 6. 
    Clock speed is measured in
    • A. 

      Bits per second

    • B. 

      Baud

    • C. 

      Bytes

    • D. 

      Hertz

    • E. 

      None of this

  • 7. 
    The von Neumann bottleneck is due to
    • A. 

      Mismatch in speed between secondary and primary storage

    • B. 

      Mismatch in speed between the CPU and primary storage

    • C. 

      Slow speed of I/O devices

    • D. 

      Low clock speeds

    • E. 

      None of this

  • 8. 
    Cache memory
    • A. 

      Has greater capacity than RAM

    • B. 

      Is faster to access than CPU registers

    • C. 

      Is not permanent storage

    • D. 

      Faster to access than DRAM

    • E. 

      None of this

  • 9. 
    A machine cycle refers to
    • A. 

      Fetching an instruction

    • B. 

      Clock speed

    • C. 

      Fetching, decoding and executing an instruction

    • D. 

      Executing an instruction

    • E. 

      None of this

  • 10. 
    Modern processor chips may be classified as
    • A. 

      LSI

    • B. 

      ULSI

    • C. 

      MIPS

    • D. 

      SSI

    • E. 

      None of this

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