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Posts Tagged ‘9th Class Examination 2015 Computer Science Notes for Subjective Type Papers’

9th Class Examination 2015 Computer Science Notes for Subjective Type Papers

9th Class Examination 2015 Computer Science  Notes for Subjective Type Papers
Q.2: Answer the following short questions:

What is the use of Recycle Bin?
What is a Computer Virus?
What is “Control Panel “? Name its three options.
Write down any two features of Windows.
How can we Shut-Down and Restart Windows?
What is an Icon and its function?
Define the term “Multitasking”.
How does a virus attack on a computer?
Describe in short about “Task Scheduler”.
Give the steps to change the Desktop Background.
Q.3: Write a detailed note on “Antivirus”..

Q.2: Answer the following short questions:

Define an Operating System (OS).
What is the difference between Compiler and Interpreter?
What are mnemonics?
What is the difference between Internal and External Commands?
Differentiate between CLI and GUI.
Why do we use Wildcard Characters with DIR command?
What is the function of SCANDISK?
What is the difference between System Software and Application Software?
Differentiate between Source Code and Object Code?
What is the difference between DOS and Windows?

Q.3: Write down the procedure for writing autoexec.bat file.

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