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Operating System (OS)

Operating System (OS)
Which of the following is a correct association between a vendor and an operating system

Microsoft Unix
Novell Linux
Redhat Linux
AT & T DOS

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Operating System (OS)
Which of the following is a disk compression tools?

Scandisk
Defragmenter
Drive space
None of these

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Operating System (OS)
A form of code that uses more than one process and processor, possibly of different type, and that may on occasions have more than one process or processor active at the same time, is known as

broadcasting
None of these
multithreading
multiprogramming
time sharing

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Operating System (OS)
Which, of the following is not true about the description of a decision table?

A decision table is easy to understand
None of these
All of these
A decision table is easy to modify
A decision table is directly understood by the computer

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

Single level implementation
None
Two level implementation
Multi level implementation

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Operating System (OS)
In which of the storage placement strategies a program is placed in the smallest available hole in the main memory?

buddy
first fit
best fit
worst fit
None of these

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