1. Computer Networking Fundamentals
Lesson 1

2. Computer Network Fundamentals
Lesson1 :
Computer Network Fundamentals
Lesson Objectives
Describe a Computer Network
Identify the advantages and Disadvantages of a computer network
Identify the types of computer network
Identify the physical components of a computer network

3. Activity 1 Describe this picture?? Hello! Hello! I miss u I miss u
How R U
How R U
I feel Happy
2 Minutes

4. Two or more computers that exchange data
Computer Network
Two or more computers that exchange data

5. Sort out the advantages and disadvantages of computer network??
Activity 2
Sort out the advantages and disadvantages of computer network??
2 Minutes

6. Advantages
Disadvantages

7. Sharing Files, data & media Less Security on devices and files
Advantages
Ease of communication
Centralized data
Save money
Disadvantages
Easy to detect a virus
Less Security on devices and files

8. Student Book Exercise

9. Network Documentation
Network documentation helps describe, define, and explain the physical and logical method for connecting devices
The documentation phase occurs before a network is built, or when changes are made to the network
Microsoft Visio is a tool that can be used to document networks

10. Complete the following table by adding the correct example
Types of Computer Network (Geographical Area)
Activity 3
Complete the following table by adding the correct example
2 Minutes

11. Types of Computer Network (Geographical Area)
Personal Area Network
Local Area Network
Metropolitan Area Network
Wide Area Network
PAN
LAN
MAN
WAN
Computer Network Built around for individual use including PCs, Printers, Phones..etc
Covers small geographical area such as a single building, school
Covers a small city as a university campus and office buildings.
Covers a wide area as a whole country or world.

12. Student Book Exercise
Complete the table

13. All physical devices required for communication
Networks Hardware
All physical devices required for communication
All devices that can be seen or touched and required for communication

14. Network Hardware
Activity 4
Brain Storm and list of all the devices required to be connected to the internet.
2 Minutes

15. Network Interface Card - NIC
Networks Hardware
أجهزة الشبكة
Network Peripherals
وسائط نقل البيانات
Media
بطاقة الشبكة
Network Interface Card - NIC
أجهزة التوصيل
Connectivity Devices
Computers, Printers , VoIP Phones,
IPad, Tablets
Cables or wireless network
Hub, Switches, Routers

16. Coaxial Cable(COAX) Networks Hardware – Network Media
Coaxial Cable (COAX): It's a fairly common type of shielded data transmission cable, which is made up of two conductors that are coaxially oriented but separated by a layer of insulation. Data transfer speed has a rate between (10 to 100 Mbps), Maximum cable length 500 meters.

17. Twisted-Pair Cable Networks Hardware – Network Media
Twisted-Pair Cable: Twisted-pair cables can be either STP (shielded twisted pair) and UTP (unshielded twisted pair), data transfer speed has a rate between (10 to 1000 Mb / s), and maximum cable length 100 meters.

18. Fiber-Optic Caple Networks Hardware – Network Media
Fiber-Optic Cable: is made up of 100 or more incredibly thin strands of glass or plastic known as optical fibers. each of which is capable of transmitting messages modulated onto light waves. data transfer speed has a rate between (100 Mb/s to 1 Gb/s), and is used to data transfer for very long distances.
For more information about network , visit the website

19. WIRELESS NETWORKS Networks Hardware – Network Media
Wireless: In some types of networks may not prefer or cannot extend the cables and thus media can be used for wireless sending and receiving data.
• Radio Frequency (RF) like Wi-Fi, 3G, 4G and Bluetooth
• Microwave
• Satellite
• Infrared

20. Network Interface Card (NIC):
Networks Hardware
Network Interface Card (NIC):
3- Network Interface Card (NIC): is the hardware device that enables you to send and receive data to and from your computer. An adapter can connect to the network by cable (wired) or by air (wireless)

21. Networks Hardware – Connectivity Devices
Connectivity Devices: Are devices that work on connecting peripheral devices using common media of data transfer in order to transfer data between these devices as well as other functions related to improving network performance

22. Central connecting device
Networks Hardware – Connectivity Devices
1. Hub
Central connecting device
Is the network will be fast??

23. 2. Switch Modified hub Faster in data transfer
Networks Hardware – Connectivity Devices
2. Switch
Switch: Switches work the same was as a hub, but they can identify the intended recipient of the data. Switches can send and receive data at the same time.
Modified hub
Faster in data transfer

24. Router Connect between two networks
Networks Hardware – Connectivity Devices
Router
Connect between two networks

25. Activity 4 Networks Hardware Classify the below networks hardware:
Printers- Bluetooth– WiFi Network Card- Smart Phones- Hub
Coaxial Cables - – Laptops – Fiber Optic Cables–Satellite –Switch
Network Peripheral
NIC
Network Media
Connectivity Devices
WiFi Network
Card
Printers
Bluetooth
Hub
Smart Phones
Coaxial Cables
Switch
Fiber Optic
Cables
Laptops
Satellite

26. Networks Hardware
Activity 5
Draw a mind map for networks hardware”

27. Networks Hardware
Activity 6
Using Microsoft Visio program, draw a diagram for your school network ?
Microsoft Visio 2010