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Quiz

OCR Computing H446 Unit 1 Questions

Michael Mee 10 Fragen

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Fragen in diesem Quiz (10)

  1. 1Which of these are part of the system bus?
    1. AControl
    2. BMemory
    3. CData
    4. DAddress
    5. ELogic
  2. 2The [blank_start]Control Unit[blank_end] controls and coordinates the activities of the [blank_start]CPU[blank_end], directing the flow of data between the CPU and other devices. It accepts the next [blank_start]instruction[blank_end], decodes it into several [blank_start]sequential[blank_end] steps such as fetching [blank_start]addresses[blank_end] and data from memory, manages its execution and stores the resulting data back in [blank_start]memory[blank_end] or registers.
    1. AControl Unit
    2. BCPU
    3. Cinstruction
    4. Dsequential
    5. Eaddresses
    6. Fmemory
  3. 3Control Bus Lines:
    - [blank_start]Bus Request[blank_end]: indicates that a device is requesting use of the data bus.
    - [blank_start]Clock[blank_end]: used to synchronise operations.
    - [blank_start]Memory Write[blank_end]: causes data on the data bus to be written into the addressed location.
    - [blank_start]Interrupt Request[blank_end]: indicates that a device is requesting access to the CPU.
    - [blank_start]Bus Grant[blank_end]: indicates that the CPU has granted access to the data bus.
    - [blank_start]Memory Read[blank_end]: causes data from the addressed location to be placed on the data bus.
    1. ABus Request
    2. BClock
    3. CMemory Write
    4. DInterrupt Request
    5. EBus Grant
    6. FMemory Read
  4. 41. The address of the [blank_start]next[blank_end] instruction is copied from the [blank_start]program counter[blank_end] to the memory address register.
    2a. The intruction is copied to the [blank_start]memory data register[blank_end].
    2b. The contents of the Program Counter are [blank_start]incremented[blank_end].
    3. The contents of the memory data register are copied to the [blank_start]current instruction register[blank_end].
    4. The instruction is [blank_start]decoded[blank_end] in the current instruction register, which is split into an [blank_start]opcode[blank_end] and operand.
    5. The appropriate instruction is carried out on the [blank_start]operand[blank_end].
    1. Anext
    2. Blast
    3. Cprogram counter
    4. Dmemory data register
    5. Ecurrent instruction register
    6. Fmemory data register
    7. Gincremented
    8. Hdecremented
    9. Iaccumulator
    10. Jcurrent instruction register
    11. Kexecuted
    12. Ldecoded
    13. Mopcode
    14. Ninstruction
    15. Ooperand
    16. Popcode
  5. 5The opcode represents the instruction being carried out.
    1. ARichtig
    2. BFalsch
  6. 6The width of the data bus determines the maximum memory capacity of the system.
    1. ARichtig
    2. BFalsch
  7. 7What is the structure of a machine code instruction?
    1. AAddressing Mode
    2. BBasic Machine Operation
    3. CCache
    4. DOperand
    5. EAddress
    6. FBytecode
  8. 8The Harvard architecture has instructions and data stored in the same place.
    1. ARichtig
    2. BFalsch
  9. 9The [blank_start]stored program[blank_end] concept states that [blank_start]machine[blank_end] code instructions are fetched and executed serially by a [blank_start]processor[blank_end] that performs arithmetic and logical operations.
    1. Astored program
    2. Bmachine
    3. Cprocessor
  10. 10What are some of the characteristics of the von Neumann architecture?
    1. APrograms tend to be larger in size.
    2. BOne bus is used to transfer data and instructions.
    3. CData and programs share the same memory.
    4. DUsed in conventional processors.
    5. EUsed in digital signal processing.

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Beschreibung
A level OCR Computer Science H446 Quiz am OCR Computing H446 Unit 1 Questions, erstellt von Michael Mee am 09/06/2018.
Sprache
English
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