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Operating System (OS)

Operating System (OS)
Which one of the following is not a layer of operating system?

Critical selection
Shell
Kernel
Application program

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Operating System (OS)
Tree structure displays the

File and directory name
None of above
File only
Directory only

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Operating System (OS)
My computer was introduced from

Windows 95
Windows 3.1
Windows 3.11
Windows 98

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Operating System (OS)
The register or main memory location which contains the effective address of the operand is known as

special location
None of these
indexed register
scratch pad
pointer

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Operating System (OS)
Which is not application software?

Photoshop
Page Maker
WinWord XP
Windows NT

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Operating System (OS)
The higher versions of the operating systems are so written that programs designed for earlier versions can still be run. What is it called?

Upward compatibility
Upward mobility
Universality
Upgradability
None of these

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MORE MCQ ON Operating System (OS)

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