Problem 1

a) Give three reasons why connecting peripherals directly to the system bus are not a good practice.

b) Name five categories in which the major functions on requirements for an I/O module fall.

c) Differentiate between RAID 0 and RAID 1.

d) Provide two advantages and one disadvantage of CD-ROM compared with traditional magnetic disks

Problem 2

a) An Operating System will be thought of as having two objectives or performing two functions. Name and provide a small description of these two functions.

b) Differentiate between "Setup Time" and "Scheduling".

c) Name five services typically given by an Operating System.

d) Briefly explain the following two hardware features:

(i) Privileged Instructions
(ii) Memory Protection