Chapter 1

Question 1

Computer

Answer 1

A programmable device that manipulates varieties of data

Question 2

Hardware

Answer 2

A physical part of computer that was designed to be flexible as possible.

Question 3

Software

Answer 3

A program that enable user to solve problems and perform a specific task through the execution of a set of instruction by the computer

Question 4

BASIC components of computer SYSTEM

Answer 4

Hardware,
Software,
User

Question 5

MAIN components of computer

Answer 5

Input Device,
Output Device,
Memory,
Central Processing unit (CPU)

Question 6

Function of Main Memory

Answer 6

Stores Programs,
Data,
Result.

Question 7

Types of memory

Answer 7

Random access memory (RAM),

Read only memory (ROM)

Question 8

RAM role

Answer 8

Temporarily stores program and data while they are being executed or manipulated by the computer

Question 9

RAM

Answer 9

Is a VOLATILE memory;

everything in RAM will be lost when the computer is switched off.

Question 10

ROM

Answer 10

Is NON-VOLATILE memory;

the data stored do not disappear when the computer is switched off

Question 11

ROM role

Answer 11

Stores information permanently within the computer.

Question 12

Secondary storage

Answer 12

An additional storage to support main memory

Question 13

Why secondary is needed?

Answer 13

Computer needs storage that is permanent;
information can be retained during a power loss or the
computer is turned off

Question 14

CPU

Answer 14

Is a brain of computer

Question 15

CPU perform

Answer 15

Data processing

Question 16

Parts of CPU

Answer 16

Control Unit (CU),
Arithmetic Logic Unit (ALU)

Question 17

CU

Answer 17

Coordinates and controls all the other parts of

computer system

Question 18

ALU

Answer 18

Perform mathematical operations and logic comparisons.

Question 19

Input Devices

Answer 19

To enter data into the computer in many ways.

Question 20

Output Devices

Answer 20

To display or print information

Question 21

Output devices can be categorize to:

Answer 21

Softcopy,

Hardcopy

Question 22

Computer Network

Answer 22

Medium for computers to communicate with one another via networks

Question 23

Local Area Network (LAN)

Answer 23

Connects computers and other devices;
Allowing them to share information and resources such as printers, scanners, and secondary storage devices for intercommunication

Question 24

Wide Area Network

Answer 24

A network that links many individual computer and local

area networks over a large geography area

Question 25

System Software

Answer 25

A type of computer program that is designed to run a computer’s hardware and application programs.
Also known as the interface between the hardware and user applications.

Question 26

Application Software

Answer 26

Any program, or group of programs, that is designed for the end user; also known as end-user program.

Question 27

Special-Purpose Program

Answer 27

Created to execute one specific task

Question 28

General-Purpose programs

Answer 28

Sometimes known as ‘off-the-shelf’ is the sort of software that you use at home and school

Question 29

Software development

Answer 29

Used when creating software or system computer

Question 30

Software development method

Answer 30

Step 1: Specify the problem requirements.
Step 2: Analyze the problem
Step 3: Design the algorithm to solve the problem
Step 4: Implement the algorithm
Step 5: Test and verify the completed program
Step 6: Maintain and update the program