operating system set 1 Detailed Explanation And More Example
MOST IMPORTANT computer mcq - 6 EXERCISES
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The following question based on operating system topic of computer mcq
(a) UNIX
(b) DOS
(c) ULTRIX
(d) XENIX
The correct answers to the above question in:
Answer: (b)
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Read more operating system Based Computer Questions and Answers
Question : 1
RAID-O does not support the following characteristics:
- A: RAID is a set of physical disk drives viewed by the operating system as a single logical drive"/>
a) A and B
b) A only
c) B only
d) C only
Answer »Answer: (d)
Question : 2
Virtual system swapping
a) allocates all of memory to one program
b) pages working set pages in and out as a group
c) is never as efficient as normal paging
d) is used only on systems that are thrashing
Answer »Answer: (d)
Question : 3
The activity of a file
a) is a low percentage of number of records that are added to or deleted from a file
b) is a measure of the percentage of existing records updated during a run
c) refers to how closely the files fit into the allocated space
d) is a measure of the number of records added or deleted from a file compassed with the original number of records
Answer »Answer: (a)
Question : 4
Which types of file organization are supported by magnetic tape?
a) random files
b) contiguous sequential file
c) indexed sequential file
d) all of the above
Answer »Answer: (b)
Question : 5
In uni-processor scheduling, the shortest process next policy is
- Non-preemptive policy
- Preemptive policy
- A policy where the process with the shortest expected processing time is selected next.
- A policy where the process with the shortest expected processing time is not selected.
a) A and D are true
b) B and C are true
c) A and C are true
d) B and D are true.
Answer »Answer: (d)
Question : 6
In file management, the primary interface of computer system with external environment is done through
a) Device drivers
b) Basic file system
c) Basic I/O supervisor
d) Logical I/O.
Answer »Answer: (b)
GET operating system PRACTICE TEST EXERCISES
operating system set 1
operating system set 2
operating system set 3
operating system set 4
operating system set 5
operating system set 6
operating system Shortcuts and Techniques with Examples
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