Page 44 - DCAP103_Principle of operating system

Unit 1: Operating System

Self Assessment Notes
Multiple choice questions:

5. The operating system manages
( a) Memory (b) Processes
( c) Disks and I/O devices (d) All of the above

6. Which is not the function of the operating system?
( a) Memory management (b) Disk management
( c) Application management (d) Virus protection
7. What is a shell?

( a) It is a hardware component (b) It is a command interpreter
( c) It is a part in compiler (d) It is a tool in CPU scheduling
8. Multiprogramming systems

( a) are easier to develop than single programming systems
( b) execute each job faster
( c) execute more jobs in the same time
( d) are used only on large main frame computers

9. Which of the following operating systems is better for implementing a Client-Server
network?

( a) MS DOS (b) Windows 95
( c) Windows 98 (d) Windows 2000

1.12 Summary

• An operating system (OS) is a software program that manages the hardware and software
resources of a computer.
• Command Line Interface (CLI) operating systems can operate using only the keyboard
for input.
• Modern OS’s use a mouse for input with a graphical user interface (GUI) sometimes
implemented as a shell. The Unix-like family, The Microsoft Windows family of operating
systems.

• The kernel is a program that constitutes the central core of a computer operating system. It
has complete control over everything that occurs in the system and functions of operating
system.

1.13 Keywords

Asymmetric Multiprocessing: Asymmetric hardware systems commonly dedicated individual
processors to specific tasks.
Computer Server System: Computer-server systems provide an interface to which clients can
send requests to perform an action, in response to which they execute the action and send back
results to the client.

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