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Operating System (OS)

Operating System (OS)
We need system files to run

Ms Excel
MS Dos
MS Access
MS word

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Operating System (OS)
Which of the following operating system reads and reacts in actual time?

Quick Response System
Real Time System
Time Sharing System
Batch Processing System

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Operating System (OS)
The most common security failure is

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

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Operating System (OS)
Block or buffer caches are used

None of these
to improve disk performance
to increase the capacity of main memory
to speed up main memory read operation
to handle interrupts

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Operating System (OS)
...... is used in operating system to separate mechanism from policy

Multi level implementation
Single level implementation
Two level implementation
None

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Operating System (OS)
What is the name given to the values that are automatically provided by software to reduce keystrokes and improve a computer user's productivity?

Default values
None of these
Fixed values
Special values
Defined values

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