Can You Compute?
  • HOME
    • Yr 6
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    • Term 6: Databases
    • Term 5 Scratch
    • Term 4 Websites
    • Term 3 Spreadsheets
    • Term 2: Binary & Algorithms
    • Term 1: Basics and Hardware
  • J277/01 NEW
    • EPIC FAILS
    • Intro Lessons
    • 1.1 System Architecture >
      • 1.1.1: The CPU
      • 1.1.1: Parts of the CPU
      • 1.1.2: The CPU in action
      • CPU Recap Lesson
      • Little Man Computer
      • 1.1.3: Embedded Systems
      • RISC & CISC
      • End of Unit Exam
    • 1.2 Memory and Storage >
      • 1.2.1: Primary Storage (Memory)
      • Intro to Units of Memory
      • 1.2.2 Secondary Storage
      • How stuff works
    • 1.2.3 Units & Data Capacity
    • 1.2.4 Data Storage >
      • 1.2.4 Binary Conversion
      • 1.2.4 Binary Addition
      • L4: Hexadecimal
      • L5: Recap
      • L6: Characters
      • L7: Images
      • L8: SenseHAT images
      • L9: Sound & Sampling
      • L10: Code Sound
      • L11: Compression Part 1
      • L12: Compression Part 2 >
        • Compression
      • What do you know?
  • Yr 9
    • Year End Examination
    • iMedia 5: Comics
    • iMedia 4: School Brochure
    • iMedia 3: Presentations
    • iMedia 2: Review and Mail Merge
    • iMedia 1: IT Letter Writing
    • L10: Intro to iMedia
    • L9 Building a Computer
    • L8: Buying a House
    • L7: Logic Gates
    • L6: Binary
    • L5: CS Alan Turing
    • L4: Spreadsheets
    • L3: JS in an Hour!
    • L2: Intro to Coding
    • L1: CS Compression
  • J276/01 Ends 2021
    • Unit 1 Overview
    • 1.4 Wired / Wireless Networks >
      • L1: Introduction
      • L2: P2P & CS
      • L3: Hardware
      • L4: The Internet
      • L5: Web Server TO DO
      • L5: End of Unit Test
    • 1.5 Network topologies, protocols and layers >
      • L1: Topologies
      • L2: Protocols
      • L3: Packets and Layers
      • L4: Packets Games
      • L5: Routing Game
      • L6: End of Unit Test
    • 1.6 System Security
    • 1.7 System Software >
      • L1: The Operating System
      • L2: Utility Software
      • L3: GUI and Games
      • L4: Unit Test
  • J276/02
    • Unit 2 Overview
    • 2.1 Algorithms >
      • L1: Intro to Algorithms
      • L2: The Knight's Tour
      • L3: Bresenham
      • L4: Searching Algorithms
      • L5: Bubble Sort
      • L6: Insertion Sort
      • L7: Merge
      • L8: Sorting Recap
      • L9: Creating Algorithms
      • L10: Pseudocode
      • L11: Interpreting Algorithms
      • L12: End of Unit Test
    • 2.2 Programming Techniques >
      • Coding Intro
      • L1: Programming Concepts
      • L2: Sequence, Selection & Iteration
      • L3: SSI Practice
      • L4: String Manipulation
      • L5: Secret Codes
      • L6: File Handling
      • L7: Use of records to store data
      • L8: SQL
      • L9: SQL Python
      • L10 ,11, 12: Arrays
      • L13: Functions
      • L14: Data Types
      • L15: Casting
      • L16 -17: Test and Code
    • 2.3 Robust Programs >
      • L1 : Defensive Design
      • L2 : Testing Programs
    • 2.4 Computational Logic >
      • L1: Comp. Logic 1
      • L2: Comp. Logic 2
      • L3: Operators (Python)
    • 2.5 Translators & Language >
      • L1: Types of Languages
      • L2: Translators
  • J276/03 NEA
    • Overview
    • Part One
    • Part Two
    • Analysis
    • Success Criteria
    • Design - Algorithms
    • Pseudocode
    • Testing
  • Py
    • Coding Concepts
    • Writing your first Program
    • Python Pages
    • Python Playground
    • Strings
    • Python Operators
    • Functions
    • Conditions
    • Try and Except
    • Break and Continue
    • Odd codes
  • Py +
    • Looping
    • Why does my code not work?
    • Errors
    • Validation
    • Lists
    • Lists again
    • Looking for data in String
    • Writing to Files
    • Read, Write & Sorting Data
  • CODING
    • Magic Python
    • Alan Turing
    • Brian the Turtle
    • Grade Calculator
    • Nested IF Hotels
    • Vending Machine
    • A Looping Menu
    • For
    • Christmas Coding
    • JS in an Hour!
    • CSS + HTML
    • Medical Claims
    • Hour of Code 2015
  • Contact
    • Dictionaries - coming soon
    • L2:

1.5 Lesson Three
​Packets and layers


In this LESSON you will learn about:

Learning Objectives:


  1. Describe the concept of layers.
  2. Describe packet switching.
  1. ​​​​

Lesson Overview 

Resources


Starter:
HW booklet check
Game starter
Peer mark assignment and feeback
Protocol starter game
​ 
Main:
  1. Students take notes on Packets.
  2. Class discussion.
  3. Lego and tube practical example.​

​​Plenary:​​
Complete MCQs
Peer assess and feeback

1_starter.ppt
File Size: 1250 kb
File Type: ppt
Download File

2_packet_notes.ppt
File Size: 1545 kb
File Type: ppt
Download File

3_mcqs.pdf
File Size: 500 kb
File Type: pdf
Download File


Home Study:


What this videos:

Encryption: ​https://www.youtube.com/watch?v=vCDe14NxSY0
  • HOME
    • Yr 6
    • Revision
    • Class of 2017
    • COVER LESSON FB
    • Yr 10: Program of Study 2016
    • Yr 11:Coming soon
    • Student Showcase
  • KS3
    • Term 6: Databases
    • Term 5 Scratch
    • Term 4 Websites
    • Term 3 Spreadsheets
    • Term 2: Binary & Algorithms
    • Term 1: Basics and Hardware
  • J277/01 NEW
    • EPIC FAILS
    • Intro Lessons
    • 1.1 System Architecture >
      • 1.1.1: The CPU
      • 1.1.1: Parts of the CPU
      • 1.1.2: The CPU in action
      • CPU Recap Lesson
      • Little Man Computer
      • 1.1.3: Embedded Systems
      • RISC & CISC
      • End of Unit Exam
    • 1.2 Memory and Storage >
      • 1.2.1: Primary Storage (Memory)
      • Intro to Units of Memory
      • 1.2.2 Secondary Storage
      • How stuff works
    • 1.2.3 Units & Data Capacity
    • 1.2.4 Data Storage >
      • 1.2.4 Binary Conversion
      • 1.2.4 Binary Addition
      • L4: Hexadecimal
      • L5: Recap
      • L6: Characters
      • L7: Images
      • L8: SenseHAT images
      • L9: Sound & Sampling
      • L10: Code Sound
      • L11: Compression Part 1
      • L12: Compression Part 2 >
        • Compression
      • What do you know?
  • Yr 9
    • Year End Examination
    • iMedia 5: Comics
    • iMedia 4: School Brochure
    • iMedia 3: Presentations
    • iMedia 2: Review and Mail Merge
    • iMedia 1: IT Letter Writing
    • L10: Intro to iMedia
    • L9 Building a Computer
    • L8: Buying a House
    • L7: Logic Gates
    • L6: Binary
    • L5: CS Alan Turing
    • L4: Spreadsheets
    • L3: JS in an Hour!
    • L2: Intro to Coding
    • L1: CS Compression
  • J276/01 Ends 2021
    • Unit 1 Overview
    • 1.4 Wired / Wireless Networks >
      • L1: Introduction
      • L2: P2P & CS
      • L3: Hardware
      • L4: The Internet
      • L5: Web Server TO DO
      • L5: End of Unit Test
    • 1.5 Network topologies, protocols and layers >
      • L1: Topologies
      • L2: Protocols
      • L3: Packets and Layers
      • L4: Packets Games
      • L5: Routing Game
      • L6: End of Unit Test
    • 1.6 System Security
    • 1.7 System Software >
      • L1: The Operating System
      • L2: Utility Software
      • L3: GUI and Games
      • L4: Unit Test
  • J276/02
    • Unit 2 Overview
    • 2.1 Algorithms >
      • L1: Intro to Algorithms
      • L2: The Knight's Tour
      • L3: Bresenham
      • L4: Searching Algorithms
      • L5: Bubble Sort
      • L6: Insertion Sort
      • L7: Merge
      • L8: Sorting Recap
      • L9: Creating Algorithms
      • L10: Pseudocode
      • L11: Interpreting Algorithms
      • L12: End of Unit Test
    • 2.2 Programming Techniques >
      • Coding Intro
      • L1: Programming Concepts
      • L2: Sequence, Selection & Iteration
      • L3: SSI Practice
      • L4: String Manipulation
      • L5: Secret Codes
      • L6: File Handling
      • L7: Use of records to store data
      • L8: SQL
      • L9: SQL Python
      • L10 ,11, 12: Arrays
      • L13: Functions
      • L14: Data Types
      • L15: Casting
      • L16 -17: Test and Code
    • 2.3 Robust Programs >
      • L1 : Defensive Design
      • L2 : Testing Programs
    • 2.4 Computational Logic >
      • L1: Comp. Logic 1
      • L2: Comp. Logic 2
      • L3: Operators (Python)
    • 2.5 Translators & Language >
      • L1: Types of Languages
      • L2: Translators
  • J276/03 NEA
    • Overview
    • Part One
    • Part Two
    • Analysis
    • Success Criteria
    • Design - Algorithms
    • Pseudocode
    • Testing
  • Py
    • Coding Concepts
    • Writing your first Program
    • Python Pages
    • Python Playground
    • Strings
    • Python Operators
    • Functions
    • Conditions
    • Try and Except
    • Break and Continue
    • Odd codes
  • Py +
    • Looping
    • Why does my code not work?
    • Errors
    • Validation
    • Lists
    • Lists again
    • Looking for data in String
    • Writing to Files
    • Read, Write & Sorting Data
  • CODING
    • Magic Python
    • Alan Turing
    • Brian the Turtle
    • Grade Calculator
    • Nested IF Hotels
    • Vending Machine
    • A Looping Menu
    • For
    • Christmas Coding
    • JS in an Hour!
    • CSS + HTML
    • Medical Claims
    • Hour of Code 2015
  • Contact
    • Dictionaries - coming soon
    • L2: