Ch1 Introduction

Question 1

CD-ROM stands for

Answer 1

Compact Disk Read Only Memory

Question 2

Control Unit (CU) is

Answer 2

the unit that controls and coordinates all other computer components

Question 3

Factors to consider when you buy a computer:

Answer 3

1. Size of the RAM
2. Speed of the CPU
3. Size of the hard disk

Question 4

“End user” is used to describe

Answer 4

people who use computers to perform information processing tasks

Question 5

Super computers

Answer 5

the largest computers, used mainly for research

Question 6

Data

Answer 6

a software that performs tasks like word processing or database management

Question 7

System software

Answer 7

is a software used to interact between user programs and the computer

Question 8

Microcomputers are divided into two general categories:

Answer 8

1. Portable

2. Desktop

Question 9

Temporary, or volatile, storage is also known as

Answer 9

RAM

Question 10

The most common input hardware for personal computers are

Answer 10

Mouse

Keyboard

Question 11

The two main parts of the system unit are:

Answer 11

1. CPU

2. Memory

Question 12

The number of bits in a byte is

Answer 12

8

Question 13

The computer is a

Answer 13

(1) a collection of electronic circuits and devices
(2) an intelligent machine
(3) a combination of hardware and software

Question 14

The information should be:

Answer 14

1. Must be available at the right time and useful

2. Should have a good accuracy

Question 15

CPU refers to

Answer 15

Central Processing Unit

Question 16

CU (Control Unit) is used to

Answer 16

control the processes in the CPU

Question 17

CPU consists of:

Answer 17

1. ALU 2. Registers 3.CU

Question 18

The Main Memory

Answer 18

(1) could be temporarily or permanent

(2) is used to store user programs and data while running

Question 19

The Magnetic Disk

Answer 19

is classified as a secondary storage

Question 20

Micro-computers example

Answer 20

laptops

Question 21

The computer virus has the ability to

Answer 21

link itself to other programs

Question 22

The sound blaster is

Answer 22

an output unit only

Question 23

Microcomputers

Answer 23

The smallest computers, used mainly for personal use

Question 24

RAM is a

Answer 24

memory unit that store information where you can write to it, or read from it

Question 25

Computer viruses are

Answer 25

programs written to damage other software programs

Question 26

Input units examples:

Answer 26

1. Keyboard
2. Mouse
3. Scanner

Question 27

Every letter requires _______ byte to store the word

Answer 27

1 byte

Question 28

1 byte = ?? Bits

Answer 28

8

Question 29

RAM is a part of

Answer 29

the system’s hardware

Question 30

The most widely used type of computer is the

Answer 30

micro-computer

Question 31

Another name for the keyboard, mouse, monitor, and system unit is

Answer 31

Hardware

Question 32

Secondary storage examples:

Answer 32

1. Floppy disks
2. DVDs
3. Hard drives

Question 33

One major difference between primary and secondary storage is

Answer 33

primary storage is temporary, secondary storage is permanent

Question 34

The ALU performs

Answer 34

arithmetic and logical operations

Question 35

All the information used by the processor is loaded first into

Answer 35

RAM

Question 36

Pointing devices examples:

Answer 36

1. A mouse
2. Touch screen
3. Trackball

Question 37

is the general name for devices that convert machine-readable information into people-readable form

Answer 37

Output devices

Question 38

a specialized output device for producing charts, maps, and very high quality drawings

Answer 38

Plotter

Question 39

The computer may be infected with a Virus because these two reasons:

Answer 39

1. Download files from internet

2. Using infected Disk

Question 40

The maximum capacity for floppy diskette is

Answer 40

1.4 MB