12/18/2018

Class 4 Chapter 7 Concept of operating system

Q.5. Answer the following questions.
a. What is an operating system?
Ans: An operating system is a special software that manage and controls all the parts of a computer system.
b. Write any four examples of operating system.
Ans: Windows, DOS, LINUX and UNIX are the four examples of operating system.
c. What are the different versions of windows.
Ans: The different versions of windows are : Windows-95, Windows-98, Windows-2000, Windows-XP, Windows-Vista, Windows-7, Windows-8, Windows-8.5 etc.
d. What is booting?
Ans: Booting is the process of starting computer.
e. What are the different parts of windows-7 desktop?
Ans: The different parts of windows-7 desktop are: Icons, start button, Quick lunch, System date and time, task bar, Gadgets and desktop
f. What is desktop area?
g. Write any four default icon of desktop?

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