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Operating Systems Concepts - Section 6 Multiple Questions and Answers.

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Exercise Questions :: Operating Systems

6.Block caches or buffer caches are used
A. to improve disk performance
B. to handle interrupts
C. to increase the capacity of the main memory
D. to speed up main memory read operation
7.Which of the following statements is false?
A. a small page size causes large page tables
B. internal fragmentation is increased with small pages
C. a large page size causes instructions and data that will not be referenced brought into primary storage
D. I/O transfers are more efficient with large pages
8.The action of parsing the source program into the proper syntactic classes is known as
A. syntax analysis
B. lexical analysis
C. interpretation analysis
D. general syntax analysis
9.Which, of the following is not true about the description of a decision table?
A. A decision table is easy to modify
B. A decision table is directly understood by the computer
C. A decision table is easy to understand
D. All of the above
10.Trojan-Horse programs
A. are legitimate programs that allow unauthorized access
B. do not usually work
C. are hidden programs that do not show up on the system
D. usually are immediately discovered

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