__________ provides the interface between the computer hardware and the user.

• Application software

• Operating System

• Utility software

• Device driver

Which of the following is not the function of the operating system?

• Process management

• Virus protection

• Memory management

• Device management

  Answer

___________ is a kind of operating system where each user processes the job on the offline device such as punched cards and submit it to the computer collectively.

• Batch operating system

• Time-sharing operating system

• Distributed operating system

• Real-time operating system

______________ is a type of operating system where processing time is uniformly shared among multiple users at the same time.

• Batch operating system

• Time-sharing operating system

• Distributed operating system

• Real-time operating system

Which of the following systems allow only one process at a single instance?

• Uni-processing system

• Uni-programming system

• Uni-tasking

• All of the above

In operating system, each process has its own __________

• open filesopen files

• pending alarms, signals, and signal handlers

• address space and global variables

• all of the mentioned

What is the main function of the command interpreter?

• to provide the interface between the API and application program

• to handle the files in the operating system

• to get and execute the next user-specified command

• none of the mentioned

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

• Library

• System calls

• Assembly instructions

• API

Where is the operating system placed in the memory?

• either low or high memory (depending on the location of interrupt vector)

• in the low memory

• in the high memory

• none of the mentioned

In a timeshare operating system, when the time slot assigned to a process is completed, the process switches from the current state to?

• Suspended state

• Terminated state

• Ready state

• Blocked state