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Fetch - Decode - Execute Recap

Computing ODA 10 questions

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Questions in this quiz (10)

  1. 1The [blank_start]memory address[blank_end] form the [blank_start]program counter[blank_end] is copied to the [blank_start]MAR[blank_end].
    1. Amemory address
    2. Bprogram counter
    3. CMAR
  2. 2The [blank_start]instruction[blank_end] stored in the [blank_start]MAR[blank_end] address is copied to the [blank_start]MDR[blank_end].
    1. Ainstruction
    2. BMAR
    3. CMDR
  3. 3[blank_start]Increase[blank_end] the [blank_start]program counter[blank_end] to point to the next [blank_start]address of the next instruction[blank_end] for the next cycle.
    1. AIncrease
    2. BDecrease
    3. CMove
    4. DProgram Counter
    5. EMemory Address Register
    6. FMemory Data Register
    7. Gaddress of the instruction
    8. Hinstruction itself
    9. Isize of the instruction
  4. 4The instruction is then decoded by the Memory Data Register.
    1. ATrue
    2. BFalse
  5. 5It can then prepare for the next cycle by doing what:
    1. ALoading values into registers.
    2. BIncrementing the Program counter.
    3. CExecuting the instruction.
  6. 6The instruction can then be performed.
    1. ATrue
    2. BFalse
  7. 7Fill in the blanks to create the possible instructions to execute:

    [blank_start]Load[blank_end] data from memory.
    Write data to [blank_start]memory[blank_end].
    Do a calculation or logic operation using the [blank_start]ALU[blank_end].
    Change the address in the [blank_start]program counter[blank_end].
    [blank_start]Halt[blank_end] the program.
    1. ALoad
    2. BSave
    3. CErase
    4. Dmemory
    5. Eregisters
    6. Fmotherboard
    7. GALU
    8. HPC
    9. ICU
    10. Jprogram counter
    11. Kcontrol unit
    12. Lmemory
    13. Mmemory address register
    14. Nmemory data register
    15. OHalt
    16. PResume
    17. QDelete
  8. 8Select all of the registers that hold ADDRESSES.
    1. AMAR
    2. BMDR
    3. CALU
    4. DPC
  9. 9Select all of the registers that hold actual DATA.
    1. AMDR
    2. BMAR
    3. CALU
    4. DPC
  10. 10Which of the following starts the fetch - decode - execute cycle.
    1. AProgram Counter
    2. BMemory Address Register
    3. CMemory Data Register

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GCSE Computing Quiz on Fetch - Decode - Execute Recap, created by Computing ODA on 27/09/2017.
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