3. Define the term Network
• A computer network is:
any set of computers or devices
connected
exchange data
4. Different Network Methods are:
• Local area network (LAN),
• Metropolitan area network (MAN)
• Wide area network (WAN)
• Wireless LANs and WANs
5. LAN Network
• Is usually a small network constrained to a small geographic
area.
An example of a LAN would be a computer network within a building.
6. WLAN Network
• is a wireless distribution
method for two or more
devices
• use high-frequency radio
waves
• often include an access point
to the Internet
7. COMPONENTS OF COMPUTER
NETWORK
• Cables as links between the computers
• A network interfacing card(NIC) on each computer
• Switches
• Software called operating system(OS)
10. Network benefits
Sharing of resources such as printers
Sharing of expensive software's and database
Communication from one computer to another computer
Exchange of data and information among users via network
Sharing of information over geographically wide areas.
11. Slides Adapted from slide share.
1. Agrawal A (2014). Introduction to computer Network.
2. Habib HJ (2012). Basic concepts of Computer Network and
Communications: Network Topology