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DIGITAL SYSTEM SAT3 > DIGITAL SYSTEM SAT3 > Flashcards

DIGITAL SYSTEM SAT3 Flashcards

1
Q

Network components

A

Router, WAP,NIC, Switch, Modem

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2
Q

System Unit component

A

Motherboard, CPU,RAM,ROM

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3
Q

Motherboard

A

Base that connects all other system and components

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4
Q

Contains drive bays to hold the hard disk and disk drives

A

computer cabinent

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5
Q

Operating system

A

All device contains operating system

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6
Q

Modem

A

access the Internet// connect the netwokr to the Internet

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7
Q

Switch

A

to connect multiple device to a network

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8
Q

NIC (Network Interface Card)

A

communicate with other devices

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9
Q

Router

A

connect two separate networks tgt

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10
Q

LAN

A

2/more devices connected tgt at the same area

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11
Q

WAN

A

2/more devices connected tgt at the different area

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12
Q

Input

A

converts human understandable data into binary format/signals

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13
Q

Output

A

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

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14
Q

Example of operating system

A

IOS, Andriod, Microsoft Windows, Linux, Unix

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15
Q

Speed of CPU

A

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

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16
Q

Common - input and output

A

both act as an interface between the user and the computer

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17
Q

CPU

A

brain of digital system, ALU, CU, Registers

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18
Q

ALU

A

to program arithmetic and logic operations

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19
Q

CU

A

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

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20
Q

Registers

A

small spaces in the CPU that hold data or instructions

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21
Q

Value

A

1 byte = 8 bits, Decimal interpretations and Binary interpretations

22
Q

what printer used to print large building plans?

A

Plotter printer

23
Q

what printer can print alot of text?

A

Laser printer

24
Q

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

A

Impact printer

25
Q

System Unit

A

components contained on the inside of a digital system device

26
Q

System software

A

Operating system & Utility software

27
Q

Type of primary memory

A

RAM, ROM, Cache

28
Q

Cache

A

to store frequently accessed data

29
Q

TCP/IP

A

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

30
Q

Ethernet

A

physical layer protocol = wired

31
Q

802.11

A

wireless protocol

32
Q

What connects other computersa and peripherals?

A

USB( Universal Series Bus)

33
Q

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

A

Graphic card

34
Q

Touch screen is input or output or both?

A

Both inout and output

35
Q

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

A

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

36
Q

GUI

A

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

37
Q

File extension

A

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

38
Q

DNS server

A

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

39
Q

Fibre optics

A

wired, expensive, no INTERFERENCE, fragile

40
Q

same protocol LAN to LAN

A

bridge

41
Q

Node

A

connected to a network

42
Q

network card

A

connects a computer to another computer

43
Q

1 billion how many zero?

A

9

44
Q

driver software

A

enables the system to communicate with peripherals such as printer

45
Q

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

A

Uploading

46
Q

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

A

Network operating system

47
Q

Hacking

A

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

48
Q

Is system unit an output device?

A

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

49
Q

A printer is input of output?

A

output

50
Q

Packet catching

A

intercept data packets

51
Q
A

DIGITAL SYSTEM SAT3 (1 decks)

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