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Operating System (OS)

Operating System (OS)
A graphical user interface displays

Graphics
Text
Both of Above
None of Above

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Operating System (OS)
The primary purpose of an operating system is:

To make the most efficient use of the computer hardware
To make computers easier to use
To keep systems programmers employed
To allow people to use the computer

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Operating System (OS)
A relationship between processes such that each has some part (critical section) which must not be executed while the critical section of another is being executed, is known as

None of these
semaphore
mutual exclusion
multiprogramming
multitasking

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Operating System (OS)
A ..... is a windows component that is designed to store other components so these can be organized efficiently?

Window
All of above
Document
Folder

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Operating System (OS)
Information in a memory that is no longer valid or wanted is known as

non-volatile
None of these
surplus
volatile
garbage

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Operating System (OS)
Which of the following is default mode for Windows to start?

Safe Mode
Command Prompt
None of above
Normal Mode

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