Overview of Micro Computer Hardware: System Units, I/O, Storage, Communication, Packages, Slides of Fundamentals of E-Commerce

Download Overview of Micro Computer Hardware: System Units, I/O, Storage, Communication, Packages and more Slides Fundamentals of E-Commerce in PDF only on Docsity! Micro Computer Hardware A large diversity of devices are in use. Four categories. System Unit Input/ Output Devices Secondary Storage Devices Communication Devices Docsity.com …Micro Computer Hardware System Unit Corresponds to the Circuit board housed inside the computer cabinet. Also termed as Mother Board. Every other device has a connection with this circuitry. Two main components are: Microprocessor Chip Controls and manipulates data to produce information. Memory Chip(s) (RAM) Holds data & program instructions temporarily (volatile). Video Clip: How to build a PC? Part I & II (Available on WebCT) Docsity.com …Micro Computer Hardware Communication Devices Controls the communication between Computers. Sends/ Receives data or program bits on different media like telephone lines coaxial cable (Chapter 7 pg155) fiber optics cable Satellite links Modem is the most widely used (Uses telephone lines). A modem is capable of (Chapter 7 pg153) MODulate (data to telephone signals) and DEModulate (telephone signals to data) Docsity.com Connectivity & Internet Connecting computers extends their usability to enormous extent. Information sharing opens new horizons in computing. Connectivity results in Computer Networks. Docsity.com Computer Network Classification Classified on the basis of geographical boundaries. LAN - within a building MAN – across buildings WAN – country wide/ world wide (Chapter 7 pg165) LAN Example WAN Example Docsity.com