Cambridge IGCSE Computing 0.0 / 5 ? ComputingChapter 2 - Communication and Internet TechnologiesIGCSECIE Created by: MFtoeCreated on: 11-05-18 12:45 Data transmission in one direction only Simplex 1 of 17 Data transmission in both directions but not at the same time Half Duplex 2 of 17 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 4 of 17 Several bits of data sent down several wires/ channels at the same time Parallel 5 of 17 Data transmitted in an agreed bit pattern Asynchronous 6 of 17 Continuous stream of data accompanied by timing signals generated by an internal clock Synchronous 7 of 17 USB Universal Serial Bus 8 of 17 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 10 of 17 Uniquely identifies a device connected to the internet MAC Address 11 of 17 HTML Hypertext Markup Language 12 of 17 HTTP Hypertext Transfer Protocol 13 of 17 Software which allows a user to display a web page on the computer screen by interpreting HTML from a website Web browser 14 of 17 Acknowledgement that data has been received correctly Automatic Repeat Request 15 of 17 Additional value sent at end of blocks of data based on the number of bytes in the block Checksum 16 of 17 Data returned to the sender to check if data has remained the same Echo Check 17 of 17
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