Tskafli2

14 Questions | Total Attempts: 632

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Tskafli2

Spurningar úr kaflanum (kafli 2).


Questions and Answers
  • 1. 
    Which of the following is not contained in a CPU?
    • A. 

      Instruction register

    • B. 

      Program counter

    • C. 

      General-purpose register

    • D. 

      Memory cell

  • 2. 
    Which of the following instructions (as described in the language description table) changes the contents of a memory cell?
    • A. 

      10AB

    • B. 

      20AB

    • C. 

      30AB

    • D. 

      40AB

  • 3. 
    Which of the following instructions (as described in the language description table places 00000000 in register A?
    • A. 

      1A00

    • B. 

      2A00

    • C. 

      3A00

    • D. 

      4A00

  • 4. 
    Which of the following instructions (as described in the language description table)will not change the contents of register 5?
    • A. 

      1508

    • B. 

      2508

    • C. 

      A503

    • D. 

      A508

  • 5. 
    Which of the following is not a form of parallel processing?
    • A. 

      SISD

    • B. 

      MiMD

    • C. 

      SIMD

  • 6. 
    In which of the following is information most readily available for manipulation by the CPU?
    • A. 

      Cache memory

    • B. 

      Main memory

    • C. 

      Mass storage

    • D. 

      General-purpose registers

  • 7. 
    The buss in a computer is an example of which form of communication?
    • A. 

      Serial

    • B. 

      Parallel

    • C. 

      Neither Serial nor Parallel

  • 8. 
    What mask in register F would cause the instruction 8AAF (refer to the language description table) to put a 0 in the most significant bit of register A without disturbing the other bits?
    • A. 

      11111110

    • B. 

      00000001

    • C. 

      10000000

    • D. 

      011111111

  • 9. 
    Which of the following instructions will not produce the same result as the other two?
    • A. 

      A502

    • B. 

      A506

    • C. 

      A50A

  • 10. 
    If register A contained the pattern 00000000, which of the following instructions could alter the contents of register 0? (Refer to the language description table.)
    • A. 

      700A

    • B. 

      800A

    • C. 

      900A

  • 11. 
    Which of the following instructions (as described in the language description table is essentially an unconditional jump?
    • A. 

      B033

    • B. 

      B133

    • C. 

      B233

    • D. 

      B333

  • 12. 
    Which step of the machine cycle examines the op-code of the next instruction to be executed?
    • A. 

      Load

    • B. 

      Fetch

    • C. 

      Decode

    • D. 

      Execute

  • 13. 
    An ARM based processor in an example of what kind of computer architeture?
    • A. 

      DSL

    • B. 

      CISC

    • C. 

      RISC

    • D. 

      Pentium

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