OPERATING SYSTEM (All 4 modules)

_____________ is an interface between user and hardware.

OS is a ___________ software

IPC stands for _______

A ____ is a software generated interrupt

Mode bit 0

• Kernel Mode

• User Mode

Allocates memory location and brings the object program into memory for execution ___________

Program under execution is ________

Methods of IPC?

• Shared memory system

• Message passing system

• None of the above

• Both A and B

______ is an integer variable

Necessary conditions for deadlock

• Mutual exclusion

• No preemption

• Hold and wait

• Circular wait