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6 marksComputer Organisation

CAPE Computer Science Unit 1 · 2010 · Paper 2 · Question 2(c)(iii)

Using a diagram in EACH case, describe THREE typical instruction formats that differ in the number of addresses contained.

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Other parts of this question

  1. 2(a)Compare ROM, RAM, hard disk, and CD-RW in terms of storage capacity and access speed.[6 marks]
  2. 2(b)(i)Explain how cache memory works.[2 marks]
  3. 2(b)(ii)Explain ONE benefit of cache memory.[2 marks]
  4. 2(c)(i)Explain what is meant by the 'instruction set' of a central processing unit.[2 marks]
  5. 2(c)(ii)State THREE types of instructions that are typically included in an instruction set.[3 marks]
  6. 2(c)(iv)Describe the MAIN activities that take place in an instruction cycle.[4 marks]

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