Quelpr
6 marksComputer Organisation

CAPE Computer Science Unit 1 · 2015 · Paper 2 · Question 2(d)(ii)

Questions regarding CPU registers.

Name THREE CPU registers and describe the function of each.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 2(a)Describe TWO primary functions of the CPU, including a definition of the CPU in your description.[6 marks]
  2. 2(b)(i)State the purpose of the 'fetch' operation.[1 mark]
  3. 2(b)(ii)State the purpose of the 'decode' and 'execute' operations.[2 marks]
  4. 2(b)(iii)Define the term 'instruction set'.[1 mark]
  5. 2(c)(i)Explain how ROM differs from RAM.[4 marks]
  6. 2(c)(ii)Explain ONE advantage and ONE disadvantage for each of the two purchasing options: Option 1 (large cache, small RAM) and Option 2 (large RAM, small cache).[4 marks]
  7. 2(d)(i)State the collective purpose of CPU registers.[1 mark]

More practice: the rest of this paper · more Computer Organisation questions · all CAPE Computer Science Unit 1 past papers