Flashcards
revision
Cards in this deck (18)
- 1data units
- 2base 2 / 10 / 16base 10 - decimal
base 2 -binary
base 16 -hex
- 3converting binary into denary123/64/32/16/8/4/2/1
this is a 8 bit binary conversion
4 bit binary conversions only go up to 16 - 4what is hexadecimal ?hexadecimal is a base 16 system used to
- 5what is a LAN ?local area network is a group of computers and associated devices that share a common communications line or wireless link to a server. they also have less than a mile connection
- 6what is a wan ?wide area network is a network that can be larger than a mile.
- 7what is a client sever?denoting a computer system in which a central server provides data to a number of networked workstations.
- 8whats is a topologytopology refers to how computers are connected to a network. There are three main types of network topology: bus, ring and star.
- 9what is wifia facility allowing computers, smartphones, or other devices to connect to the Internet or communicate with one another wireless within a particular area.
- 10what is etherneta system for connecting a number of computer systems to form a local area network, with protocols to control the passing of information and to avoid simultaneous transmission by two or more systems.
- 11what is a protocola protocol defines rules and conversions for communication between network devices.
- 12TCP/IP Modeldetermines how all data is sent over networks-made up of 4 layers of protocols
- 13DNSdomain name system
translates domain names into IP addresses - 14HTTPhypertext transfer protocol
distributing web pages - 15SMTPsimple mail transfer protocol
transfer of mail messages and attachments - 16FTPfile transfer protocol
file transfer between systems. - 17whats faster wi-fi or Ethernetethernet
- 18TCP
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- Flashcards on revision, created by Tobias Andrews on 21/03/2018.
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- Tobias Andrews
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