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Introduction to  Operating System MCQ

What is operating system?

a) collection of programs that manages hardware resources

b) system service provider to the application programs

c) link to interface the hardware and application programs

d) all of the mentioned

Answer : d) all of the mentioned

 

To access the services of operating system, the interface is provided by the ___________

 a) System calls

b) API

c) Library

d) Assembly instructions

Answer : a) System calls

 

Which one of the following is not true?

a) kernel is the program that constitutes the central core of the operating system

b) kernel is the first part of operating system to load into memory during booting

c) kernel is made of various modules which can not be loaded in running operating system

d) kernel remains in the memory during the entire computer session

Answer : c) kernel is made of various modules which can not be loaded in running operating system

 

Which one of the following error will be handle by the operating system?

a) power failure

b) lack of paper in printer

c) connection failure in the network

d) all of the mentioned

Answer : d) all of the mentioned

 

What is the main function of the command interpreter?

a) to get and execute the next user-specified command

b) to provide the interface between the API and application program

c) to handle the files in operating system

d) none of the mentioned

Answer : a) to get and execute the next user-specified command

 

By operating system, the resource management can be done via __________

a) time division multiplexing

b) space division multiplexing

c) time and space division multiplexing

d) none of the mentioned

Answer : c) time and space division multiplexing

 

If a process fails, most operating system write the error information to a ______

a) log file

b) another running process

c) new file

d) none of the mentioned

Answer : a) log file