Thursday, June 28, 2012

Session 32

Mr.Z went to Putrajaya.We just stayed at the Pusat Akses.

Tuesday, June 26, 2012

Session 31

Protocol is a set of language that computer understands.
Types of communication:
i) internet - a global network that provides various types of information and communication facilities.
a computer network that uses Internet Protocol technology to share information, operational systems, or computing services within an organization
iii) extranet - a computer network that allows controlled access from the outside, for specific business or educational purposes

Example of communication devices:
i) network interface card (NIC)
ii) wireless network card
iii) hub or switch
iv) router
v) wireless access point
vi) internal and external modem

Thursday, June 21, 2012

Session 30

Network Architecture -  overall design of a computer network that describes how a computer network is configured and what strategies are being used. Two types: (a) client/server  (b) peer-to-peer

Network Topology:-
(i) bus
(ii) ring
(iii) star

Thursday, June 14, 2012

Session 29

Did a little houskeeping. Gotten our mid-year examination results.

Types of Network:-
(i) Local Area Network (LAN) - covers a small region
(ii) Metropolitan Area Network (MAN) - same geographical area
(iii) Wide Area Network (WAN) - large geographical area

We also learn the differences between the types of network.

Tuesday, June 12, 2012

Session 28

In today's class, we begin a new topic which is about networking.
Networking is connecting two computers to share a hardware.
Communication - when sharing information or devices from a distance. When there's a sender, there's a receiver.
Connections For Networking: (i) phsycal medium  (ii) protocols  (iii) system application
Channels: (i) twisted-pair  (ii) coaxial  (iii) fiber-optic  (iv) satelite