Chapter 3 Processes

Question 1

Job queue

Answer 1

set of all processes in the system

Question 2

Ready queue

Answer 2

set of all processes residing in main memory, ready and waiting to execute

Question 3

Device queues

Answer 3

set of processes waiting for an I/O device

Question 4

Long-term scheduler (or job scheduler)

Answer 4

selects which processes should be brought into the ready queue

Question 5

Short-term scheduler (or CPU scheduler)

Answer 5

selects which process should be executed next and allocates CPU

Question 6

When CPU switches to another process, the system must save the state of the old process and load the saved state for the new process via a

Answer 6

context switch

Question 7

_________ of a process represented in the PCB

Answer 7

Context

Question 8

Resource sharing

Answer 8

Parent and children share all resources

Children share subset of parent’s resources

Parent and child share no resources

Question 9

Execution

Answer 9

Parent and children execute concurrently

Parent waits until children terminate

Question 10

Generally, process identified and managed via a

Answer 10

process identifier (pid)

Question 11

_______ process cannot affect or be affected by the execution of another process

Answer 11

independent

Question 12

_______ process can affect or be affected by the execution of another process.

Answer 12

Cooperating

Question 13

Advantages of process cooperation

Answer 13

Information sharing

Computation speed-up

Modularity

Convenience