1. Match the following Operating System concepts with definition A to E.
A : this type of OS is designed for server-grade computer systems, which need high processing power.
Q1 - kernel
B : the heart of an operating system, it is optimized for interaction with the hardware of a computer, such as CPU and Main Memory.
Q2 – Driver programs
Q3 – utility programs
C : execution of several concurrent programs is possible in that computer systems.
Q4 – support multi-tasking
D : software to control a hardware component or peripheral device of a computer such as a magnetic disk, scanner or printer.
Q5 – support multi-processing
E : system software designed to help analyze, configure, optimize or maintain a computer.

2. Q6. Name ONE utility program which is used to detect computer files whose contents are broken across several locations on the hard disk, and move the fragments to one location to increase efficiency.

3. Q7. Name ONE utility program which is used to prevent phosphor burn-in on CRT and plasma computer monitors by blanking the screen or filling it with moving images or patterns when the computer is not in use.

4. Q8. Name ONE utility program which is used to make copies of all information stored on a disk and restore the entire disk in an event of disk failure.

5. Q9. Write ONE advantage of eliminating the System Software layer in most embedded systems. Q10. Write ONE disadvantage of eliminating the System Software layer in multi-purpose computers.