Question 1
a) What is an Integrated Circuit (IC)? [2 marks]
b) Explain and illustrate the Forward bias and Reverse blas of a diode. [8 marks]
c) Why do we need Cache in a computer system? [2 marks]
d) Distinguish between the different levels of Cache. [3 marks]
Question 2
a) Discuss the basis for having different memory types in a computer system. (4 marks]
b) Enumerate six (6) uses of diode arrays. [3 marks]
c) Describe the old Magnetic Core Memory. [2 marks]
d) State three (3) advantages and disadvantages of an Integrated Circuit [6 marks]
Quefon 3
a) Explain Static Random Access Memory (SRAM) and Dynamic Random Access
Memory (DRAM). [4 marks]
b) Distinguish between Primary memory and Secondary memory. [5 marks]
c) Explain the three (3) types of Read Only Memory (ROM) [6 marks]
Question 4
a) Explain the following terms
i.
CMOS
ii.
BIOS [4 marks]
b) Distinguish between RAM and ROM [6 marks]
c) Illustrate the relationship between the CPU, Main memory and the different levels of
Cache. [5 marks]
Question 5
a) Highlight four (4) types of Dynamic Random Access Memory and explain any three.
[8 marks]
b) Explain the different ways in which Main memory can be enhanced. [6 marks]
c) Define System bus. [1 mark]
Question 6
a) What is a diode? [2 marks]
b) Define Rotational delay and Seek time of a Magnetic Disk. [4 marks]
c) Explain doping. [2 marks]
d) Explain the Integrated Circuit Fabrication Process. [7 marks]
