Computer Science - Operating Systems Concepts

1. 

In which of the storage placement strategies a program is placed in the largest available hole in the main memory?

A. best fit
B. first fit
C. worst fit
D. buddy
E. None of the above

Answer: Option C

Explanation:

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2. 

Which of the following is a block device

A. mouse
B. printer
C. terminals
D. disk
E. None of the above

Answer: Option D

Explanation:

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3. 

The problem of thrashing is affected significantly by:

A. program structure
B. program size
C. primary-storage size
D. all of the above
E. None of the above

Answer: Option A

Explanation:

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4. 

Which of the following software types is used to simplify using systems software?

A. spreadsheet
B. operating environment
C. timesharing
D. multitasking
E. None of the above

Answer: Option C

Explanation:

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5. 

Advantage(s) of using assembly language rather than machine language is (are):

A. It is mnemonic and easy to read.
B. Addresses any symbolic, not absolute
C. Introduction of data to program is easier
D. all of the above
E. None of the above

Answer: Option D

Explanation:

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