HomeEdu Delight TutorsMEANING OF COMPUTER NETWORKS WAN LAN

MEANING OF COMPUTER NETWORKS WAN LAN

Subject :

Computer Studies / Information Communication Technology ( ICT )

Topic :

MEANING OF COMPUTER NETWORKS WAN LAN

 

Class :

Basic 6 / Primary 6

Term : 

Second Term

Week :

Week 4

Instructional Materials:

  • computer system
  • textbooks
  • documents

 

Reference Materials

  • Scheme of Work
  • Online Information
  • Textbooks
  • Workbooks
  • 9 Year Basic Education Curriculum

Previous Knowledge:

Meaning of Adobe Photoshop and Identification of toolbars on the Adobe Photoshop

 

 

Behavioural Objectives:  At the end of the lesson, the pupils should be able to

  • define networking in respect to computer
  • Explain LAN
  • Define WAN
  • Explain types of network topology eg bus, star, ring etc

 

 

Content:

Networking is the practice of connecting computers and devices together in order to share information and resources. This can be done in a variety of ways, such as through cables, wireless connections, or even through the internet.

One way to think about networking is to imagine a group of computers all connected together like a net. Each computer in the net can communicate with the other computers, sending and receiving information and resources. This allows people to share files, access the internet, and work together on projects, even if they are in different locations.

Networking is an important part of how computers and devices communicate with each other, and it plays a key role in many aspects of our daily lives.

Evaluation
  1. What is networking in relation to computers? a) The practice of connecting computers together to share information and resources b) The practice of creating computer programs c) The practice of repairing computer hardware d) The practice of creating and maintaining websites
  2. What are some ways that computers can be connected in a network? a) Cables b) Wireless connections c) The internet d) All of the above
  3. What is a LAN? a) A group of computers and devices connected together and sharing a common communication network within a small geographic area b) A group of computers and devices connected together and sharing a common communication network within a large geographic area c) A single computer d) A computer program
  4. What is a WAN? a) A group of computers and devices connected together and sharing a common communication network within a small geographic area b) A group of computers and devices connected together and sharing a common communication network within a large geographic area c) A single computer d) A computer program
  5. What are some examples of network topologies? a) Bus b) Star c) Ring d) All of the above
  6. In a bus topology, how are devices connected? a) All devices are connected to a central cable b) All devices are connected to a central hub or switch c) Devices are connected in a circular fashion d) Devices are connected to every other device
  7. In a star topology, how are devices connected? a) All devices are connected to a central cable b) All devices are connected to a central hub or switch c) Devices are connected in a circular fashion d) Devices are connected to every other device
  8. In a ring topology, how are devices connected? a) All devices are connected to a central cable b) All devices are connected to a central hub or switch c) Devices are connected in a circular fashion d) Devices are connected to every other device
  9. In a mesh topology, how are devices connected? a) All devices are connected to a central cable b) All devices are connected to a central hub or switch c) Devices are connected in a circular fashion d) Devices are connected to every other device
  10. In a tree topology, how is the network arranged? a) In a hierarchical structure with a central root node connected to other nodes b) All devices are connected to a central cable c) All devices are connected to a central hub or switch d) Devices are connected in a circular fashion
ANSWERS
  1. a
  2. d
  3. a
  4. b
  5. d
  6. a
  7. b
  8. c
  9. d
  10. a

Define LAN

A LAN, or Local Area Network, is a group of computers and devices that are connected together and share a common communication network, usually within a small geographic area such as a home, office, or building.

A LAN allows the devices on the network to share resources such as printers, internet connections, and files. It also allows the devices to communicate with each other and exchange information.

A LAN is typically created using cables or wireless technology, and it is usually managed by a network administrator who is responsible for configuring and maintaining the network.

There are many different types of LANs, including Ethernet LANs, which use cables to connect devices, and Wi-Fi LANs, which use wireless technology to connect devices. LANs are commonly used in businesses, schools, and other organizations to allow employees or students to share resources and work together.

EVALUATION
  1. What is a LAN? a) A group of computers and devices connected together and sharing a common communication network within a small geographic area b) A group of computers and devices connected together and sharing a common communication network within a large geographic area c) A single computer d) A computer program
  2. What are some ways that computers can be connected in a LAN? a) Cables b) Wireless connections c) The internet d) All of the above
  3. What is the primary purpose of a LAN? a) To allow devices to share resources such as printers, internet connections, and files b) To allow devices to communicate with each other and exchange information c) To connect a device to the internet d) All of the above
  4. Who is responsible for configuring and maintaining a LAN? a) The network administrator b) The computer user c) The internet service provider d) The computer manufacturer
  5. What is an example of a LAN that uses cables to connect devices? a) Ethernet LAN b) Wi-Fi LAN c) Bluetooth LAN d) Cellular LAN
  6. What is an example of a LAN that uses wireless technology to connect devices? a) Ethernet LAN b) Wi-Fi LAN c) Bluetooth LAN d) Cellular LAN
  7. In which of the following environments is a LAN commonly used? a) Businesses b) Schools c) Homes d) All of the above
  8. Can a LAN be used to connect devices in different locations? a) Yes b) No
  9. Can a LAN be used to connect a device to the internet? a) Yes b) No
  10. Can a LAN be used to share resources such as printers and files? a) Yes b) No
ANSWERS
  1. a
  2. d
  3. d
  4. a
  5. a
  6. b
  7. d
  8. b
  9. a
  10. a

In computer networking, a topology refers to the way in which devices on a network are connected to each other and the way in which data is transmitted between them. There are several different types of network topologies, including:

  1. Bus topology: In a bus topology, all devices on the network are connected to a central cable, called a bus. The bus serves as a common connection point for all the devices, and data is transmitted along the bus in both directions.
  2. Star topology: In a star topology, all devices on the network are connected to a central hub or switch. The hub acts as a central point of communication for the devices, and data is transmitted between devices through the hub.
  3. Ring topology: In a ring topology, all devices on the network are connected in a circular fashion, with each device connected to two other devices on either side. Data is transmitted around the ring in one direction, from device to device.
  4. Mesh topology: In a mesh topology, each device on the network is connected to every other device, allowing for multiple paths for data to be transmitted.
  5. Tree topology: In a tree topology, the network is arranged in a hierarchical structure, with a central root node connected to one or more other nodes, which in turn are connected to other nodes, and so on.
  6. Hybrid topology: A hybrid topology combines elements of two or more of the above topologies, allowing for a more customized network configuration.

Each type of topology has its own advantages and disadvantages, and the appropriate topology for a particular network will depend on the specific requirements of the network.

Classwork
  1. In a ________ topology, all devices on the network are connected to a central cable.
  2. In a ________ topology, all devices on the network are connected to a central hub or switch.
  3. In a ________ topology, all devices on the network are connected in a circular fashion.
  4. In a ________ topology, each device on the network is connected to every other device.
  5. In a ________ topology, the network is arranged in a hierarchical structure with a central root node connected to other nodes.
  6. A ________ topology combines elements of two or more of the above topologies.
  7. A ________ topology is typically used in businesses and other organizations to allow employees or users to access resources and communicate with each other, even if they are located in different locations.
  8. A ________ topology is typically used to connect multiple LANs together, allowing the devices on those LANs to communicate with each other and share resources.
  9. A ________ topology is often used to connect a device to the internet, allowing it to access information and resources from anywhere in the world.
  10. The appropriate topology for a particular network will depend on the specific ________ of the network.
Solution
  1. Bus
  2. Star
  3. Ring
  4. Mesh
  5. Tree
  6. Hybrid
  7. WAN
  8. WAN
  9. WAN
  10. requirements

Presentation

The topic is presented step by step

 

Step 1:

The class teacher revises the previous topics

 

Step 2.

He introduces the new topic

 

Step 3:

The class teacher allows the pupils to give their own examples and he corrects them when the needs arise

 

Conclusion:

 

The class teacher wraps up or concludes the lesson by giving out a short note to summarize the topic that he or she has just taught.

The class teacher also goes round to make sure that the notes are well copied or well written by the pupils.

He or she does the necessary corrections when and where the needs arise.

 

 

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