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A-Level Computer science > 2 - Communication (WIP) > Flashcards

2 - Communication (WIP) Flashcards

1
Q

What is a WAN?

A

Wide Area Network

Covers a large area

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2
Q

What is a LAN?

A

Local Area Network

Covers a small area

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3
Q

What is a MAN?

A

Metropolitan Area Network

Covers an area larger than local but smaller than wide

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4
Q

What is a File server?

A

A network server for central file storage

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5
Q

What is a Hub?

A

Hardware used to connect devices to form a LAN that directs incoming data packets to all connected devices

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6
Q

What is a Switch?

A

Hardware used to connect devices to form a LAN that directs incoming data packets to a specific address

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7
Q

What is a Router?

A

Device that enables data packets to be routed between networks

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8
Q

What is a Modem?

A

Device that converts data between digital and analogue format

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9
Q

What is a WLAN?

A

Wireless LAN

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10
Q

What is a (W)AP?

A

(Wireless) Access Point

Allows a device to access a LAN through a wireless connection

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11
Q

What is a PAN?

A

Personal Area Network

Network that is centered around a person

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12
Q

What is a client server?

A

Network that uses separate dedicated servers and specific client workstations

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13
Q

What is Spread spectrum technology?

A

Wideband radio frequency

30-50 meter range

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14
Q

What is a Node?

A

Device connected to a network

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15
Q

What is Peer-to-peer?

A

Network where nodes can share files with other nodes without a central server

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16
Q

What is a Thin client?

A

Device that requires access to the internet to work

17
Q

What is a Thick client?

A

Device that can work online and offline and can process without being connected to the internet

18
Q

What is a Bus network topology?

A

Network that uses a central cable which all devices are connected to for simplex data transmission

19
Q

What is a Packet?

A

Data or a message exchanged between nodes through a network which includes the address of the sender and receiver

A-Level Computer science (3 decks)

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