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The following question based on operating system topic of computer mcq
(a) may cause high I/O rate
(b) keeps the systems running well
(c) is a symptom of too much processor activity
(d) always creates a slow system
The correct answers to the above question in:
Answer: (a)
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Read more operating system Based Computer Questions and Answers
Question : 1
For Load-time dynamic linking
a) Load module (application module) to be loaded is read into memory.
b) Some of the linking is postponed until execution time.
c) External references to target modules remain in the loaded program.
d) None of these.
Answer »Answer: (a)
Question : 2
In process management of UNIX system, which of the following process states are running states in respect of whether the process is executing in user or kernel mode
a) Ready to run (in memory) state
b) Ready to run (in swappe(D) state
c) Preempted state
d) A and C are true
Answer »Answer: (d)
Question : 3
Given three switch processes, when they occur match them (1) Clock Interrupt A- The processor encounters a virtual memory address reference for a word that is not in the main memory. (2) I/O Interrupt B- The operating system determines whether the currently running process has been executed for the maximum allowable time slice. (3) Memory fault C- The operating system determines the I/O action that occurs.
a) 1-A, 2-B, 3-C
b) 1-B, 2-C, 3-A
c) 1-B, 2-A, 3-C
d) 1-C, 2-B, 3-A.
Answer »Answer: (b)
Question : 4
Real-time systems are
a) primarily used on mainframe computers
b) used for monitoring events as they occur
c) used for program development
d) used for real-time interactive users.
Answer »Answer: (b)
Question : 5
The operating system control tables maintain process tables, because
a) These tables manages I/O devices
b) These tables manages files
c) These tables manages memory
d) None of these.
Answer »Answer: (d)
Question : 6
Hard real-time tasks are
a) A real time task that do not require dead line constraints.
b) A real time task that requires dead line constraints.
c) A task independent to time when it occurs.
d) None of these.
Answer »Answer: (b)
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operating system set 1
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operating system Shortcuts and Techniques with Examples
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