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6 marksHardware Components

CAPE Computer Science Unit 1 · 2011 · Paper 2 · Question 2(b)

Compare main memory and TWO storage devices in terms of capacity and access speed.

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Other parts of this question

  1. 2(a)Name and state the function of THREE registers found in the Central Processing Unit (CPU).[6 marks]
  2. 2(c)Besides registers, name TWO other components in the CPU and state the function of EACH.[4 marks]
  3. 2(d)Define the term 'cache memory' and explain how it increases the efficiency of data retrieval.[4 marks]
  4. 2(e)(i)State what is an 'instruction format'.[1 mark]
  5. 2(e)(ii)Name and describe TWO addressing modes.[4 marks]

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