Cork Institute of Technology
Higher Certificate in Computing - Stage I
(NFQ – Level 6)
Autumn 2006
Computer Architecture
(Time 3 Hours)
Answer ANY FIVE questions. Examiners: Mr. D. Long
All questions carry equal marks. Ms. M. Meagher
Ms. A. Brown
Q1.a) Draw a diagram of a Central Processing unit and briefly explain each component
shown in your diagram.
(10 Marks)
b) Describe the Fetch-Execute cycle.
(5 Marks)
c) How could you improve on the basic Fetch-Execute?
(5 Marks)
Q2. a) What is meant by the term RAM? How does it interact with the other components
in a computer system? Why is it important to have a lot of RAM? Use diagrams to
help with your answer.
(12 Marks)
b) Write a note on ROM memory types.
(8 Marks)
