Computer Science - Operating Systems Concepts

1. 

Capacity planning

A. requires detailed system performance information
B. is independent of the operating system
C. does not depend on the monitoring tools available
D. is not needed in small installations
E. None of the above

Answer: Option B

Explanation:

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2. 

Poor response times are caused by

A. Processor busy
B. High I/O rate
C. High paging rates
D. Any of the above
E. None of the above

Answer: Option D

Explanation:

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3. 

Link encryption

A. is more secure than end-to-end encryption
B. is less secure than end-to-end encryption
C. can not be used in a public network
D. is used only to debug
E. None of the above

Answer: Option B

Explanation:

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4. 

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

A. multiprogramming
B. multi threading
C. broadcasting
D. time sharing
E. None of the above

Answer: Option B

Explanation:

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5. 

The table created by lexical analysis to describe all literals used in the source program, is

A. Terminal table
B. Literal table
C. Identifier table
D. Reductions
E. None of the above

Answer: Option B

Explanation:

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