1.To access the services of operating system, the interface is provided by the ___________
A.
System calls
B. API
C. Library
D. Assembly instructions
Explanation :
System call acts as a bridge between the user and the operating system. Whenever the user place the request to execute a process, a system call is generated to interact with the Kernel of the operating system and OS executes and returns the result to the user.
2.Real time systems need to __________ the interrupt latency.
A. minimize
B. maximize
C. not bother about
D. none of the mentioned