Processes (Prelims)

Question 1

It can be defined in different ways, depending on its actual composition or utilization.

Answer 1

Process

Question 2

Basic definitions of process:

Answer 2

• Program in execution
• Entity that can be assigned to and executed on a processor
• Unity of activity that executes a sequence of instructions
• Environment that consists of a number of elements for executing a user-level program

Question 3

This can be shared with other processes that are executing the same program

Answer 3

Program code

Question 3

It is associated with the program code

Answer 3

Set of data

Question 4

Two (2) essential elements of a process:

Answer 4

• program code
• set of data

Question 5

It can execute multiple processes at a time, thus supporting thousands of processes on a single system

Answer 5

Kernel

Question 6

What are the five (5) process state?

Answer 6

• New
• Ready
• Running
• Waiting
• Terminated

Question 6

It is unique for each process

Answer 6

Identifier

Question 7

It indicates the current activity of a process

Answer 7

Process State

Question 8

Process is being created

Answer 8

New

Question 9

Process is waiting to be assigned to a processor

Answer 9

Ready

Question 10

The instructions are being executed

Answer 10

Running

Question 11

The process is waiting for a particular event to occur

Answer 11

Waiting

Question 12

It refers to the priority level relative to the other processes

Answer 12

Priority

Question 13

The process has finished the execution

Answer 13

Terminated

Question 14

It indicated the address of the next instruction to be executed for a particular process

Answer 14

Program counter

Question 15

It contains pointer to program codes and data associated with the process, including any memory blocks shared with other processes

Answer 15

Memory pointer

Question 16

These are the data present in a processor’s registers during process execution

Answer 16

Context Data

Question 17

This includes different information associated with the input/output status of a process, such as the outstanding I/O requests and I/O devices assigned to the process

Answer 17

I/O status information

Question 18

This includes different tracking information associated with the process, such as the amount of processor time, the clock time used, and time limits.

Answer 18

Accounting information

Question 19

It is called to the elements of a process are stored in a data structure. The core concept is that it contains sufficient information to information, so it is possible interrupt a running process and later resume the operation as if no interruption occurred.

Answer 19

Process control block