DIGITAL SYSTEM SAT3

Question 1

Network components

Answer 1

Router, WAP,NIC, Switch, Modem

Question 2

System Unit component

Answer 2

Motherboard, CPU,RAM,ROM

Question 3

Motherboard

Answer 3

Base that connects all other system and components

Question 4

Contains drive bays to hold the hard disk and disk drives

Answer 4

computer cabinent

Question 5

Operating system

Answer 5

All device contains operating system

Question 6

Modem

Answer 6

access the Internet// connect the netwokr to the Internet

Question 7

Switch

Answer 7

to connect multiple device to a network

Question 8

NIC (Network Interface Card)

Answer 8

communicate with other devices

Question 9

Router

Answer 9

connect two separate networks tgt

Question 10

LAN

Answer 10

2/more devices connected tgt at the same area

Question 11

WAN

Answer 11

2/more devices connected tgt at the different area

Question 12

Input

Answer 12

converts human understandable data into binary format/signals

Question 13

Output

Answer 13

receives data in binary format from the cpu and converts it to human understandable information

Question 14

Example of operating system

Answer 14

IOS, Andriod, Microsoft Windows, Linux, Unix

Question 15

Speed of CPU

Answer 15

Clock Speed. 1GHZ of CPU can complete billion cycles per sec

Question 16

Common - input and output

Answer 16

both act as an interface between the user and the computer

Question 17

CPU

Answer 17

brain of digital system, ALU, CU, Registers

Question 18

ALU

Answer 18

to program arithmetic and logic operations

Question 19

CU

Answer 19

to send or receive the instructions to and from the hardware devices

Question 20

Registers

Answer 20

small spaces in the CPU that hold data or instructions

Question 21

Value

Answer 21

1 byte = 8 bits, Decimal interpretations and Binary interpretations

Question 22

what printer used to print large building plans?

Answer 22

Plotter printer

Question 23

what printer can print alot of text?

Answer 23

Laser printer

Question 24

What printer is function by creating a direct contact between the ink-ribbon and the paper

Answer 24

Impact printer

Question 25

System Unit

Answer 25

components contained on the inside of a digital system device

Question 26

System software

Answer 26

Operating system & Utility software

Question 27

Type of primary memory

Answer 27

RAM, ROM, Cache

Question 28

Cache

Answer 28

to store frequently accessed data

Question 29

TCP/IP

Answer 29

defines how data packets are assembled and dissembled on a network, network layer protocol, device used : router

Question 30

Ethernet

Answer 30

physical layer protocol = wired

Question 31

802.11

Answer 31

wireless protocol

Question 32

What connects other computersa and peripherals?

Answer 32

USB( Universal Series Bus)

Question 33

what converts computer output into signal which displays an image on the screen?

Answer 33

Graphic card

Question 34

Touch screen is input or output or both?

Answer 34

Both inout and output

Question 35

What is the method/ cycle called for CPU controls and coordinates

Answer 35

Machine cycle/ instruction cycle Fectch, decode, execute and store

Question 36

GUI

Answer 36

interact wtih computer using windows, icons, menus and pointers ( graphic based)

Question 37

File extension

Answer 37

a series of word created when files is created to indicate which program to use to open that file

Question 38

DNS server

Answer 38

translate domain name to its corresponding IP address / serves the name of IP address

Question 39

Fibre optics

Answer 39

wired, expensive, no INTERFERENCE, fragile

Question 40

same protocol LAN to LAN

Answer 40

bridge

Question 41

Node

Answer 41

connected to a network

Question 42

network card

Answer 42

connects a computer to another computer

Question 43

1 billion how many zero?

Answer 43

9

Question 44

driver software

Answer 44

enables the system to communicate with peripherals such as printer

Question 45

Process of sending a fileto a server on the Internet is called?

Answer 45

Uploading

Question 46

what can be used to manage users, user permissions, file access and security updates?

Answer 46

Network operating system

Question 47

Hacking

Answer 47

involves attempting to gain access to a network via software weakness of the network

Question 48

Is system unit an output device?

Answer 48

No, it is the centre of core, processing the data and receive info from input devices

Question 49

A printer is input of output?

Answer 49

output

Question 50

Packet catching

Answer 50

intercept data packets