Computer Concepts

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Puter Network

Back 1

Collection of computers and other devices that share hardware, software and data, also used to communicate

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Mobile phones

Cellular

satellite phones

Back 2

Used to make phones calls while on the go

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dual-mode phones

Back 3

Can utilize more than one network, over both cellular and wifi connections

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Global positioning system (GPS)

Back 4

is a radio navigation system that allows land, sea, and airborne users to determine their exact location, velocity, and time 24 hours a day,

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VidoeConferencing

Back 5

is the conduct of avideoconference (also known as a video conference or videoteleconference) by a set of telecommunication technologies which allow two or more locations to communicate by simultaneous two-way video and audio transmissions.

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Telecommuting

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Telecommuting, remote work, or telework is a work arrangement in which employees do not commute to a central place of work.

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Telesurgery

Back 7

surgery performed by a doctor considerably distant from the patient, using medical robotics and multimedia image communication.

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telemedicine

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the remote diagnosis and treatment of patients by means of telecommunications technology

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Wired network

Back 9

Devices are physically connected to each other

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wireless networks

Back 10

devices connected with wireless singles

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star network

Back 11

A network where each device is connected to a central point or switch

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Bus network

Back 12

Each device in the network is connected to one physical cable

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mesh network

Back 13

each device is connected to each other device in the network

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Personal area networks

Back 14

devices connected around an individual

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Local area network

Back 15

connected devices within a single building or close to one another

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Metropolitan area networks

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provide internet connection to a city

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wide area networks

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network that spans a relatively wide geographical area

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intranets

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private networks that implement the infrastructure and standards of the internet and web

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extranets

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private networks that are accessible to authorized outsiders

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Virtual private networks

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used to transfer private information over a public network

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analog signal

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data sent as a continuous wave

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digital signal

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data sent as 1s and 0s

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serial transmission

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data sent 1 bit at a time down a cable

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parallel transmission

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data sent 8 bits at a time down a cable

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twisted pair

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a cable consisting of two wires twisted around each other, used especially for telephone or computer applications.

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coaxial

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is a type of cable that has an inner conductor surrounded by a tubular insulating layer, surrounded by a tubular conducting shield.

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fiber optic cable

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transmission of information as light impulses along a glass or plastic wire or fiber.

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cellular radio

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sent transmissions using cell towers

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microwave stations

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Relating to or being electromagnetic radiation between radio waves and infrared waves in the electromagnetic spectrum

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communications satellites

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a satellite placed in orbit around the earth in order to relay television, radio, and telephone signals.

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infrared transmissions

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data sent over short distances as infrared light rays

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TCP/IP

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most commonly used protocol used with the internet

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Ehernet

Back 33

most common network standard for wired networks

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wi-fi

Back 34

most common network standard for wireless networks in homes and businesses

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wimax

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wireless network used for greater range

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wifi direct

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allows wifi devices to be connected directly without any additional hardware.

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bluetooth

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short range network for connecting devices

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wigig

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WiGig is a technology based on the IEEE 802.11ad specification that can support data transfer speeds of up to 7Gbp

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ultra wideband

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is a communications technology that employs a wide bandwidth

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wirelessHD

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wireless transmission of High-definition video content for consumer electronics products

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wirelessUSB

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The wireless version of the universal serial bus (USB). Using ultra-wideband (UWB) technology,

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transferJet

Back 42

used to transfer data between devices that are touched together

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Network interface card

network adapter

Back 43

connects a computer to a network

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modem

Back 44

connect a network via telephone

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switch

Back 45

used to connect multiple (wired) devices to a network

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Routers

Back 46

used to connect multiple devices together

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wireless routers

wireless access point

Back 47

used to connect devices to the internet via a wireless connection

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bridge

Back 48

used to connect two LANs or a wired device to a wireless network

Front 49

Repeaters

range extenders

antennas

Back 49

all are used to extend the range of a wireless network