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Dear candidates you will find MCQ questions of Operating System Architecture here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.

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Mr. Dubey • 51.17K Points
Coach

Q. 11) Unix os was first rewritten in C in

(A) 1971
(B) 1972
(C) 1973
(D) 1974
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Mr. Dubey • 51.17K Points
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Q. 12) Among the directory entries inode and file contents which will be changed when a file is updated

(A) only inode
(B) only inode and file contents
(C) only directory entry and file contents
(D) none of the above
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Mr. Dubey • 51.17K Points
Coach

Q. 13) what is the use of exec command

(A) command that can be used to write files in shell scripts
(B) command that can be used to read files in shell scripts
(C) command that can be used to open files in shell scripts
(D) all of the above
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Mr. Dubey • 51.17K Points
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Q. 14) Which of the following sections of an executable binary file has all un initialized data items

(A) bss
(B) data
(C) header
(D) symbol table
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Mr. Dubey • 51.17K Points
Coach

Q. 15) The previous system administartor has put useless messages at login . What file do you edit to change the system message

(A) /etc/motd
(B) /etc/str
(C) /etc/strtms
(D) /etc/.conf
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Mr. Dubey • 51.17K Points
Coach

Q. 16) Suppose that a process is in BLOCKED state waiting for some i/o service. When a service is completed, it goes to the

(A) running state
(B) ready state
(C) suspended state
(D) terminated state
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Mr. Dubey • 51.17K Points
Coach

Q. 17) Buffering mechanisms regulated the data between

(A) secondary storage device and memory
(B) system call interface and device driver
(C) kernel and secondary storage device
(D) buffer cache and file system
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Mr. Dubey • 51.17K Points
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Q. 18) A thread is a ---- process

(A) light weight
(B) interface
(C) heavy weight
(D) inter thread
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Mr. Dubey • 51.17K Points
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Q. 19) A RAID system is useful because --

(A) it increases interface performance
(B) it increases speed of the processor
(C) increases disk storage capacity
(D) increase processor speed
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Mr. Dubey • 51.17K Points
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Q. 20) NFS stands for

(A) normal file system
(B) network file system
(C) network format system
(D) normal format system
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