Fundamentals
of Operating System Short Questions CH# 02
Questions and Answers
i.
Why
Operating System is important software for a computer? Give any five reasons.
Ans: Operating system is important software for a computer because of:
a)
Process
Management
b)
Memory
Management
c)
Input/Output
Management
d)
File
Management
e)
Resource
Management
f)
User
Management
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ii.
Give any three objectives of operating system?
Ans: 1. It
makes the computer more convenient to use.
2 It
allows computer resources such as CPU, memory and I/O devices to be used in an
efficient way.
3.
It can be viewed as a resource manager.
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iii. Mention few disadvantages of using DOS.
Ans: DOS is CLI interface. In order to
work properly in DOS, the user has to learn
all the required commands. These
commands are difficult to remember. It is single user OS and single task OS. It
cannot support graphics.
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iv.
Name two operating systems which are used in
modern mobile phones.
Ans: The modern mobile operating systems are;
i.
Android
OS (Google Inc)
ii.
Bada
(Samsung Electronics)
iii. iPhone OS/iOS(Apple)
iv. Palm OS (Garnet OS)
v. Symbian OS (Nokia)
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v.
What difficulties a student may face if he or
she is not familiar with the
Ans: Without basic knowledge of an operating system a student may face
difficulties of steps involved in
installation of operating system, office automation and antivirus. He must know
how to give commands to computer to operate it properly. Internet is the best
source for him to learn quickly about the OS.
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vi. Define UNIX and Windows operating system.
Ans: UNIX
OS:
UNIX is a multi-user CLI operating
system. It was introduced in 1969. It was
developed for use on large computer
systems like mainframe. Later on GUI was also
introduced in UNIX.
Windows OS :
It
is the most popular OS used on micro-computers. It was developed by
Microsoft. Windows has GUI
interface and easy to use as compared to UNIX, that’s
why it was introduced as
user-friendly OS. Some popular versions of Windows are;
a) Windows 95
b) Windows 98
c) Windows Millennium
d) Windows XP
e) Windows Vista
f) Windows 7, 8 and 10
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vii. Differentiate between single-user and multi-user operating system?
Ans: Single-User
Operating System:
OS that is
used by a single user at a time is known as single user
operating system. Some features
are;
i)
It
allows single user to login and use the computer at a time.
ii)
Resources of computer are not shared.
iii)
It is
used on microcomputers
iv)
It require
less memory
v)
They are
not very costly computers
Examples Windows XP and Windows 7
etc.
Multi-user Operating System:
OS
that allows many users to use
computer at the same time is known
as multi-user OS. Some features are;
i)
It
allows many users to login and run different programs at a time.
ii)
It
shared the resources with other computer over the network.
iii)
Administrator
is responsible for allocation of resources.
iv)
They are
costly computers.
Examples Windows NT, UNIX and
LINUX
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viii. What is meant by managing data and why is it important?
A Managing data means storing data
files in secondary storage devices, such as hard disk or USB flash in an
organized way. This helps in searching of files easily and quickly. These files
are stored in folders. Folders are the best mean for this organization.
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ix. What is meant by resources of computer?
Ans: The resources of a computer include
microprocessor, memory and all the devices attached to the computer. The
operating system allocates these resource to the programs according the user’s
requirement.
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x. What types of problems may a student face if no antivirus is installed in his or her computer system?
Ans: If no antivirus is installed on a
computer, a student may face a number of problems due to virus attack. The viruses may damage
the data, software or the computer itself.
Some activities of a virus are;
a)
Copy it to other programs.
b)
Display information on the screen.
c)
Destroy data files.
d)
May erase entire hard disk.
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Fbise Notes-Computer | Fundamental of Operating System Short Questions
Reviewed by fbisenotes
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July 15, 2019
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Reviewed by fbisenotes
on
July 15, 2019
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