Cambridge IGCSE Computing

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  • Created by: MFtoe
  • Created on: 11-05-18 12:45
Data transmission in one direction only
Simplex
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Data transmission in both directions but not at the same time
Half Duplex
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Data transmission in both directions at the same time
Full Duplex
3 of 17
Data sent one bit at a time over a single wire/channel
Serial
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Several bits of data sent down several wires/ channels at the same time
Parallel
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Data transmitted in an agreed bit pattern
Asynchronous
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Continuous stream of data accompanied by timing signals generated by an internal clock
Synchronous
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USB
Universal Serial Bus
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Provides user with access to the internet
Internet Service Provider
9 of 17
Given as soon as a device connects to the internet and is different each time
IP address
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Uniquely identifies a device connected to the internet
MAC Address
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HTML
Hypertext Markup Language
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HTTP
Hypertext Transfer Protocol
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Software which allows a user to display a web page on the computer screen by interpreting HTML from a website
Web browser
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Acknowledgement that data has been received correctly
Automatic Repeat Request
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Additional value sent at end of blocks of data based on the number of bytes in the block
Checksum
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Data returned to the sender to check if data has remained the same
Echo Check
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Other cards in this set

Card 2

Front

Data transmission in both directions but not at the same time

Back

Half Duplex

Card 3

Front

Data transmission in both directions at the same time

Back

Preview of the front of card 3

Card 4

Front

Data sent one bit at a time over a single wire/channel

Back

Preview of the front of card 4

Card 5

Front

Several bits of data sent down several wires/ channels at the same time

Back

Preview of the front of card 5
View more cards

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