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Operating System (OS)

Operating System (OS)
Which of the following are loaded in safe mode ?

Mouse driver
All of the listed here
Keyboard driver
VGA drive

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Operating System (OS)
The most common security failure is

carelessness by users
depending on passwords
None of these
insufficient technology used to prevent breaches
too much emphasis on preventing physical access

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Operating System (OS)
Driver is

Hardware and gain controller
Hardware controller
Data controller
All of the listed here

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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

mutual exclusion
multitasking
semaphore
None of these
multiprogramming

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Operating System (OS)
Dial up connection allows you to

Server
All of above
Internet
Connect ISP

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Operating System (OS)
Which key deletes text before, or to the left, of the insertion point?

PageUp
PageDown
Delete
BackSpace

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MORE MCQ ON Operating System (OS)

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