Category: Operating System Mcqs

Operating systems Mcqs for Screening tests, Interviews, Viva and Other competitive exams. Operating System Mcqs section will help users to prepare mcqs of Operating Systems for various exams. Aspirants of Lecturer Computer Science, SST Computer Science, Subject Specialist Computer Science, Data Entry operator, Computer Programmer, Computer Operator, System administrator and all other Exams can prepare their operating system portion from here.

__ spend more time during IO than computations.

(A) IO bound processes
(B) CPU bound processes
(C) Short CPU bursts
(D) None of the above

►Correct Option

You can display the contents names of files and directories of a directory in Unix/Linux directory structure with the __ command.

(A) l
(B) ls
(C) ls
(D) All of the above

►Correct Option

The bottom layer in the layered approach of Operating System is?

(A) Hardware
(B) User Interface
(C) Kernel
(D) None of the above

►Correct Option

Critical section problem can be solved by the following except?

(A) Firmware based solution
(B) Software based solution
(C) Operating system based solution
(D) Hardware based solution

►Correct Option

Among following which is not true about virtual memory?

(A) Virtual memory makes the processes to stuck when the collective size of all processes becomes greater than the size of main memory.
(B) Virtual memory also allows files and memory to be shared by several different processes through page sharing.
(C) Virtual makes the the task of programming easier because the programmer need not worry about the amount of physical memory.
(D) Virtual help in executing bigger programs even greater in size that of main memory.

►Correct Option