Operating System (OS)
What is the name of the operating system which was originally designed by scientists and engineers for use by scientists and engineers?

UNIX
None of these
OS/2
XENIX
MS DOS

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Operating System (OS)
Identify false statement

You can restore any files in recycle bin if you ever need
You can find deleted files in recycle bin
You can right click and choose Empty Recycle Bin to clean it at once
You can increase free space of disk by sending files in recycle bin

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Operating System (OS)
Link encryption

is less secure than end-to-end encryption
None of these
can not be used in a public network
is used only to debug
is more secure than end-to-end encryption

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