1. Bell Work Date: Title: Wired and Wireless Technology

2. Have humans changed technology or has technology changed humans?

3. Please make sure your homework is on your desk ready to be collected!
Homework Due!!!
Please make sure your homework is on your desk ready to be collected!

4. Wired, wireless, network
Lesson Sequence
Specification – GCSE OCR Computer Science
Teaching from Sept 2016 onwards
Spec Reference
2b. 1.4
Topic
Wired and Wireless Networks
Lesson
Wired and Wireless Technology
Sequence
9 of 12
Key Words;
Wired, wireless, network

5. Lesson Objectives Lesson Competency (Level 1-3) Proficiency
Mastery
(Level 7-9) 9
To define wired and wireless networks
To identify the best network for a given case
To analyse factors which affect network performance
To test your knowledge

6. Types of wired and wireless Networks
What do we mean by wired and wireless networks?
Extension
Explain the different types of wireless and wired network.
3 minutes

7. Types of wired and wireless Networks
What are the different types of Networks?
Wide Area Network (WAN)
Collection of computers and networks connected together using resources supplied by a ‘third part carrier’ such as BT. Uses cables, satellites and radio waves. Spreads over a wide geographical area.
Local Area Network LAN
Covers a small geographical area. Consists of a collection of computers and peripheral devices connected together. LAN is often owned by a single person or organisation
VIRTUAL
A subset of computers connected together as part of a large physical network. This can be set up when an employee in a remote location needs to connect to a private network. Communications can be encrypted.

8. The best network for a given case
Using the worksheet IDENTIFY which network would be best.
Extension EXPLAIN why you have chosen that type of network for each case.

9. Factors which affect network performance
ANALYSE
EXPLAIN what the following factors mean:
Latency
Throughput
Packet Loss
Retransmission
2. How do these factors AFFECT wired and wireless networks
EVALUATE
DISCUSS the ADVANTAGES and DISADVANTAGES of wired and wireless networks
EVALUATE which type of network you think is best and give reasons for your answer

10. Lesson Objectives Lesson Competency (Level 1-3) Proficiency
Mastery
(Level 7-9) 9
To define wired and wireless networks
To identify the best network for a given case
To analyse factors which affect network performance
To test your knowledge

11. Test your knowledge
Select the levelled task based on your confidence on Secondary storage
Extension – Write your own exam question on Wired and Wireless networks
Level 7 – Answer the long answer question in full
Level 6 – Answer 2 short answer questions
Level 5 – Answer the 1 short answer question

12. Complete the worksheet
Homework
Complete the worksheet
Date Set:
Date Due:

13. Lesson Objectives What is a wired network?
What is a wireless network?
What impacts on network performance?
What was your exam question?
Lesson
Competency (Level 1-3)
Proficiency
(Level 4-6)
Mastery
(Level 7-9) 9
To define wired and wireless networks
To identify the best network for a given case
To analyse factors which affect network performance
To test your knowledge
Which is the best network for a small business? Why?