First Term ICT Lesson Note for Primary 6
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PRIMARY 6 FIRST TERM ICT
SCHEME OF WORK
1 COMPUTER SYSTEM
2 CONPUTER NETWORK
3 DESCRIPTION OF LOCAL AREA NETWORK AND LARGE AREA NETWORK
4 DEFINITION AND TYPES OF NETWORK TOPOLOGY
5 SKETCH AND DESCRIBE NETWORK TOPOLOGY
6 ADVANTAGES AND USES OF COMPUTER NETWORK
7 WORD PROCESSING
8 WORD PROCESSORS SKILLS
9 WORD PROCESSING ENVIRONMENT
10 TYOES OF TOOL BAR
11 REVISION
12 EXAMINATION
WEEK 1
Topic; The computer system
BEHAVIORAL OBJECTIVES
At the end of the lesson, Pupils should be able to:
(i). Explain the term system Computer system computer system
(ii). Explain the term hard Ware, software and users.
INSTRUCTIONAL MATERIALS:
A functional computer system
Reference Materials
Lagos state scheme of work,
Online information
Relevant materials
Pupils textbook
Behavioral Objectives: pupils are familiar with the topic in their previous classes.
CONTENT
COMPUTER SYSTEM
A computer system is a group of different devices that work together with the help of stored programs to accept process, store and retrieve information.
These groups of different devices are called HARDWARE while the stored programs are called SOFTWARE. The hardware of a computer system are explained below.
INPUT DEVICES
Examples of input devices are: keyboard, Mouse, Joystick, Light pen, Scanner etc. All these are used to send messages in form of data and instructions into the computer. The most common of these are keyboard and mouse.
OUTPUT DEVICES
Examples of output devices are: Monitor, printer, speakers, plotters, data projector etc. They are used for displaying or showing information from the computer.
SYSTEM UNIT
The System Unit is a part of the computer that contain the processor also called the Central Processing Unit and some other parts. All the physical parts of the computer are connected to the System Unit.
The System Unit consists of: a power button, reset button and drive doors. At the back of the System Unit are the communication ports where other parts of the computer are connected.
ASSESSMENT AND EVALUATION
(i). Explain the term system Computer system computer system
(ii). Explain the term hard Ware, software and users.
WRAP-UP (CONCLUSION): Teacher goes over the topic once again for better understanding
WEEK 2
Topic: Computer networks
Behavioral Objectives:
At the end of the lesson, Pupils should be able to:
i). Define computer net- computer net-
ii). List the types of computer
INSTRUCTIONAL MATERIALS:
A functional computer system
Reference Materials
Lagos state scheme of work,
Online information
Relevant materials
Pupils textbook
Behavioral Objectives: pupils are familiar with the topic in their previous classes.
CONTENT
A computer network
A computer network is a group of two or more computers connected together so that they can share resources like hardware, software and data. Computers in a network can communicate with one another.
Computer network is the interconnection of computers and other telecommunication devices together for the purpose of sharing resources. There sources that can be shared in such interconnections include: files and folders, programs, printers, hard disk, processor etc.
When computers are interconnected through a central computer, communication link between users become easier. This could enable them to exchange information freely between each other, and also allow a common use of components.
In a network environment, when there is a centrally located computer to which all other computers are connected, it is called HOSTCOMPUTER or SERVER. The other computers connected to such a computer are called TERMINALS or WORKSTATION.
There are three types of computer network e.g. Local Area Network, Metropolitan Area Network, Wide Area Network.
IMPORTANCE OF COMPUTER NETWORK
Computer network is important for the following reasons.
1. It enables users to access files or programs from another computer without carrying disk.
2. It enable computer to print documents on a printer attached to another computer
3. It enables users to be able to send messages by using electronic mail (E-mail).
4. It can make users to gain easy access to the internet.
There are three types of hardware needed for computer network for the purpose of data communication. They are:
1. Central processor.
There must be computer otherwise called the HOST Computer that must have a central processor.
2. Terminals or work stations.
These are the other computers that are connected to a server or central computer.
3. Communication channels
Communication channels refer to things that could link different systems together. Examples are: cables, telephones, satellite stations, etc.
Types of networks
The two types of computer networks are:
1 Local Area Networks (LAN); and
2 Wide Area Networks (WAN)
Local Area Networks
LAN consists of a collection of microcomputers that can share peripherals and information. They can also communicate with each other on the network.
Microcomputers in a LAN are usually in the same building or a school. Each microcomputer in a LAN can work both as an independent personal computer running its own software and as a workstation. A LAN has a network server. This runs the network operating system which allows resources to be shared with other computers on the network. Each computer on a LAN is known as a client. The devices shared by a LAN are printers, hard disk drives, disk drives, CD-ROM drives, modems and fax machines.
Advantages of a LAN
1 Software and data files can be shared by many users.
2 It is usually cheaper to buy one copy of a software application and pay the license fee for several machines, than to buy individual packages for each computer.
3 Users can work together on a single document from different parts of the network (though not at the same time).
4 Users can communicate with other users on the network using e-mail.
Wide Area Networks (WANs)
A WAN connects networks across a large geographical area such as a city, state or country. Information can be transmitted using special high-speed telephone lines, microwave links, satellite links or a combination of all these. WANs are used in universities, research centers, companies and banks, so that information can be shared across a country or across many countries.
Metropolitan Area Network (MAN)
This type of network is mostly used by Radio and Television stations. In this case, computers are interconnected within a wider geographical location such as within a town, city or state for the purpose of data communication.
ASSESSMENT AND EVALUATION
i). Define computer net- computer net-
ii). List the types of computer
WRAP-UP (CONCLUSION): Teacher goes over the topic once again for better understanding
Activity
1 What is the difference between a server and a client in a LAN.
2 Mention 5 organizations where LANs are used.
3 Mention 5 organizations where WANs are used.
WEEK 4&5
Topic; Network Topology
Behavioral Objectives: At the end of the lesson, Pupils should be able to;
I). Define Network topology computer – Bus, Ring and star
ii). State types of topology laboratory
III) Sketch bus and ring work topology
iv) Describe and sketch star Topology
INSTRUCTIONAL MATERIALS:
A functional computer system
Reference Materials
Lagos state scheme of work,
Online information
Relevant materials
Pupils textbook
Behavioral Objectives: pupils are familiar with the topic in their previous classes
CONTENT
NETWORK TOPOLOGY
Network topology is the techniques or methods by which computers are networked together in a Local Area Network. It canal sobe described as the arrangement of computers in a Local Area Network environment. There are three major types of arrangement or network topology. These are:
1. Bus topology
2. Star topology and.
3. Ring topology.
BUS TOPOLOGY
In this type of network arrangement, computers are connected serially. This means they are connected to one central communication line. The effect of this is that transmission from one computer answers at the same time from both directions.
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