Welcome great EduPodian, here is your Third Term JSS3 Computer Science Scheme of Work and the excerpt of the Third Term JSS3 Computer Science Lesson Note.
Scheme of Work:
1. Network Systems I
2. Network Systems I
3. Data collection stages
4. Processing method
5. Starting up word processing package II
6. Starting up word processing package II
7-8. Revision
WEEK 1 Date:……………………….
COMPUTER NETWORK
REF. BOOK: Early Learning of Computer Studies for Junior Secondary Schools.
By Yomi Soyombo
CONTENT
A computer network communication is a system connecting two or more computers that are together to exchange information and share resources.
Complex Networking can be defined as the interconnection of computers within an area for the sharing of data and other computer peripherals. Each computer system connected to the computer network station is called WORKSTATION.
Network architecture describes how the network is arranged and how the resources are coordinated and shared.
An environment in which more than one person use the system at about the same time is referred to as A MULTI-USER ENVIRONMENT. In a multi-user environment, several terminals are attached to only one system unit called SERVER, each having access to the system unit.
ADVANTAGES OF COMPUTER NETWORKING
1. It allows sharing of resources.
2. It saves cost.
3. It enhances productivity.
DISADVANTAGES OF COMPUTER NETWORKING
1. Lack of security.
2. Easily attacked by virus… LESSON NOTE DOWNLOAD…. CLICK HERE to download the complete lesson note.
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