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Computer (Parts (Output Devices (monitor,speakers), Input Devices…
Computer
Parts
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Expansion Cards
Video card, Network Interface card(NIC), sound Card
Storage Device
Hard disc, CD ROM, DVD ROM
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Type of Mouse
Regular,Trackball, Optical
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Role
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Data=Output
Data in form of text, video,graphic and audio.
Network.
Used to share information,data and devices
3 component:Server,Workstation,Communication channel.
2 Type network: LAN &WAN
LAN-connects devices in limited area
WAN-connects network across diff. country
INTERNET-worldwide public collection of network.(WWW/Web)
INTRANET-similar to Web but only for authorized user
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Role of Memory
-Devices where information can stores/retrieved
-can be volatile (temporary memory)&
non-volatile (memory retained after computer shut down)
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