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Selasa, Januari 05, 2010

Types Of Network (Chapter 3)

3 Types

i. WAN (Wide Area Network)


















ii. MAN ( Metropolitan Area Network)

























 iii. LAN (Local Area Network

















  








Differentiate between the three types of computer networks.
1.  Cost / kos
Lan  - low / rendah
Man - high / tinggi
Wan - higher / sangat tinggi
2. Size / saiz
Lan  - limited (school lab) / terhad (makmal sekolah)
Man – cover like city of kl / merangkumi sebuah bandar seperti kl
Wan – very largest are(whole world)/ kawasan sgt besar (dunia)
3. Speed / kelajuan
Lan  - fastest / sangat cepat kerana kawasan kecil
Man - slower / perlahan kerana byk pertukaransumber berlaku
Wan - slowest / berkaitan dengan jarak dan kawasan yg sgt besar
4. Number of computer / jumlah komputer
Lan  - smallest / kecil
Man - larger / besar
Wan - largest / sangat besar
5.transmission medium / medium penghantaran
Lan  - twisted pair cable
Man - twisted pair and fibre optic cable
Wan - fibre optic cable,radio wave and satellite

Define types of computer networks:
lan, man and wan.
Lan -      (local area network)cover smalll region of space, typically a single buliding
                dalam lingkungan kawasan yang kecil seperti dalam makmal pc
Man -    metroplitan area network. Collection of lan’s with  the same geographical area  for Instance a city
                koleksi kepada lan’s tetapi dalam kawasan georafi yang besar seperi bandar.
Wan -    wide area networkcan be collection of lan’s and             man’s or the mix  with a very large geographical area
merupakan koleksi kepada lan’s dan man’s atau kedua-duanya tetapi dalam geografi yang sangat besar iaitu satu dunia


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