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Computer Science - Operating Systems Concepts

Exercise : Operating Systems Concepts - Section 4
11.
A relationship between processes such that each has some part (critical section) which must not be executed while the critical section of another is being executed, is known as
semaphore
mutual exclusion
multiprogramming
multitasking
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
What is the name of the operating system which was originally designed by scientists and engineers for use by scientists and engineers?
XENIX
UNIX
OS/2
MS DOS
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
The most common security failure is
carelessness by users
depending on passwords
too much emphasis on preventing physical access
insufficient technology used to prevent breaches
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
Terminal Table
contains all constants in the program
a permanent table of decision rules in the form of patterns for matching with the uniform symbol table to discover syntactic structure.
consists of a full or partial list of the token's as they appear in the program. Created by Lexical analysis and used for syntax analysis and interpretation
a permanent table which lists all key words and special symbols of the language in symbolic form.
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
Block or buffer caches are used
to improve disk performance
to handle interrupts
to increase the capacity of main memory
to speed up main memory read operation
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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