SYCS - OS UNIT 1 - Chapter 3

In UNIX, which system call creates he new processes?

• fork

• create

• new

• None of these

What is Interprocess Communication?

• Communication within the process

• Communication between two process

• Communication between two threds of same process

• None of these

Communication in client server systems may uses Sockets and ______

• Process Control Block (PCB)

• Remote Procedure Calls (RPCs)

• Kernal Mode

• Registers

What is Short - Term Scheduler ?

• It selects which process has to be brought into the ready queue.

• It selects which process has to be executed next and allocates CPU.

• It selects which process to remove from memory by swapping.

• None of these

Remote Procedure Calls are used _______

• For communication between two processes remotely different from each other on the same system.

• For communication between two processes on the same system.

• For communication between two processes on separte systems.

• None of these

If all processes I/O bound, the ready queue will almost always be _______ and short Term Scheduler will have a ______ to do.

• Full, Little

• Full, Lot

• Empty, Little

• Empty, Lot

What is the objective of multiprogramming?

• Have some processes running at all times.

• Have multiple programs waiting in a queue for ready to run.

• To minimize CPU Utilization.

• To maximize the errors

Whhat is Process Control Block?

• Process type variable

• Data Structure

• A secondary storage section

• A block in a memory

The state of process is a defined by _______

• The final activity of he process

• The activity just executed by the process

• The activity to next be executed by the process

• The current activity of the process

A Process Control Block (PCB) does not contain which of the following:

• Code

• Stack

• Bootstrap Program

• Data