Which of the following allow hardware to communicate with operating system?
a) trap
b) interrupts
c) multi-variant
d) all of these
Which operating system distinguish between slow and fast interrupts?
a) windows
b) Mac OS
c) Linux
d) Apple
How much time interval is required for interrupts?
a) 5ms
b) 10ms
c) 15ms
d) 20ms
How many process states in data structure?
a) three
b) four
c) five
d) six
Explanation: new state, running state, ready state, block state, terminate state
How many goals of memory manager subsystem?
a) three
b) four
c) five
d) six
Explanation: large address space, protection, memory mapping, fair access, shared memory
Which of the following system call allocate or free a region of memory for the process use?
a) malloc()
b) free()
c) both a & b
d) none of these
