Class 8 Chapter 6

Operating System Software

7. Write very short answer of the following questions.

a. Is UNIX a single user operating system?
Ans: No, UNIX is a multi user operating system.

b. How can you perform warm booting?
Ans: Warm booting can perform by pressing Ctrl+Alt+Delete key at once or using re-set button when the computer is already at on stage.

c. Which file of MS Dos contains all internal commands?
Ans: COMMAND.COM contain all internal commands of MS Dos.

d. Which wildcard symbol indicates single character?
Ans: Wildcard symbol which  indicates single character is "?".

e. Write one example of GUI operating system besides Windows.
Ans: Apple's Mac OS is an example of GUI operating system beside Windows.

f. Which command is used to modify DOS text file.
Ans: EDIT command is used to modify DOS text file.

g. When was Windows 8 release for general?
Ans: Windows 8 was release in October 2012 for general.  

8. Write short answer of the following questions

a. What is an Operating System? Write any two examples.
Ans: An operating system is the most important types of system software which is used to manage, controls and co-ordinate the overall operations of the computer system. It also control and manage hardware and application program too. eg: Ms-Windows, LINUX,

b. What are the basic functions of an operating system? List any four of them
Ans: The basic functions of an operating system are as follows:
i) Input/Output Management
ii) File and folder management
iii) Memory management
iv) Control and co-ordinate hardware devices
v) Run application programs.

C. What is single user operating system? Write two examples.
Ans: Single user operating provide a single computer system, which facilitates the running of a variety of software packages as well as allowing users to develop and executes programs of their own. eg. Ms-Windows, DOS, Mac OS etc.

D. What is MS Dos write its two features.
Ans: MS DOS (Microsoft Disk Operating System) is Character User Interface (CUI) based operating system developed by Microsoft Corporation, USA in 1981.

Features of MS DOS are as follows:

i. It is single user operating system.

ii. It support both hard disk and floppy disk.

E. What is booting? Mention the types of booting.
Ans: The process of loading system files into the computer's memory from disk is called booting.
There are two types of booting a) Cold booting         b) Warm booting

N. What are wildcards? Write some wildcards examples

Ans: Wildcards are the special symbols that can be used to represent any other character(s) in command statement. eg. * indicates set of characters and ? indicates single character

8. Write long answer of the following questions

a. Explain the types of operating system based on the number of user they supports.
Ans: An operating system is the most important types of system software which is used to manage, controls and co-ordinate the overall operations of the computer system. On the based on the number of user they supports we can classified operating system into two types they are:
a) Single user operating system
Single user operating provide a single computer system, which facilitates the running of a variety of software packages as well as allowing users to develop and executes programs of their own. eg. Ms-Windows, DOS, Mac OS etc.
b) Multi User Operating System
The multi user operating system is a system software which allows concurrent access by multiple users of a computer. It also allows many different users to take advantage of the computer resources simultaneously. eg : Unix, Windows 2003 Server, Windows NT, Novell Netware etc.
b. Why are GUI Operating systems more popular than CUI operating system these days? Dicuss.
Ans: In CUI operating system, users are required to type all the commands to perform any task in the computer it means we have to type commands into a prompt and the computer executes them but in GUI based operating system, we can give commands to the computer by clicking on icons, menus and buttons using mouse so it is very easy to operate computer with GUI based operating system and because of its user friendly features GUI is more popular than CUI based operating system these days.