Here you will find easy to follow revision sheets which will help your students to recap the topic: 1.5 Network topologies, protocols and layers which includes: star and mesh network topologies Wifi: frequency and channels encryption ethernet the uses of IP addressing, MAC addressing, and protocols including: TCP/IP (Transmission Control Protocol/Internet Protocol) HTTP (Hyper Text Transfer Protocol) HTTPS (Hyper Text Transfer Protocol Secure) FTP (File Transfer Protocol) POP (Post Office Protocol) IMAP (Internet Message Access Protocol) SMTP (Simple Mail Transfer Protocol) the concept of layers packet switching. The revision sheets include exam questions at the end of each topic to help the students recap their revision and apply it to a question. Check out my shop to save on buying multiple sheets!! Enjoy!

Here you will find the resources to complete unit 18 in the level 3 Cambridge Technicals. All of the Learning Objectives have been covered and the lessons contain notes from the chief moderator from OCR. Also attached is a sample of how you could complete the practical element to the assignment, although you can choose another method! The assignment which has been used has also been checked using the Assignment Checking service from OCR. (Service is £30 per assignment) Enjoy!

Here you will find the resources to complete Unit 19 in the level 3 Cambridge Technicals. All of the Learning Objectives have been covered and the lessons contain notes from the chief moderator from OCR. The assignment which has been used has also been checked using the Assignment Checking service from OCR. (Service is £30 per assignment) Enjoy!

Here you will find easy to follow revision sheets which will help your students to recap the topics in 1.1 Enterprise and Entrepreneurship, these include: -1.1.1 The dynamic nature of business -1.1.2 Risk and reward -1.1.3 The role of business enterprise Attached at the end of the notes are revision questions which the students should be able to answer once they have studied the topic. Enjoy!

Here you will find easy to follow revision sheets which will help your students to recap the topics in 1.5 Understanding External Influences On Business, these include: 1.5.1. Business Stakeholders 1.5.2. Technology & Business 1.5.3. Legislation & Business 1.5.4. The Economy & Business 1.5.5 External Influences Attached at the end of the notes are revision questions which the students should be able to answer once they have studied the topic. Enjoy!

Here you will find easy to follow revision sheets which will help your students to recap the topics in 2.1 Growing The Business, these include: 2.1.1. Business Growth 2.1.2. Changes In Business Aims And Objectives 2.1.3 Business and Globalisation 2.1.4 Ethics, Environment & Business Attached at the end of the notes are revision questions which the students should be able to answer once they have studied the topic. Enjoy!

Here you will find easy to follow revision sheets which will help your students to recap the topics in 2.2 Making Marketing Decisions, these include: 2.2.1 Product 2.2.2 Price 2.2.3 Promotion 2.2.4 Place 2.2.5. Using the marketing mix to make business decisions Attached at the end of the notes are revision questions which the students should be able to answer once they have studied the topic. Enjoy!

Here you will find easy to follow revision sheets which will help your students to recap the topic: 2.6 Data Representation Units bit, nibble, byte, kilobyte, megabyte, gigabyte, terabyte, petabyte how data needs to be converted into a binary format to be processed by a computer. Numbers how to convert positive denary whole numbers (0–255) into 8 bit binary numbers and vice versa how to add two 8 bit binary integers and explain overflow errors which may occur binary shifts how to convert positive denary whole numbers (0–255) into 2 digit hexadecimal numbers and vice versa how to convert from binary to hexadecimal equivalents and vice versa check digits. Characters the use of binary codes to represent characters the term ‘character-set’ the relationship between the number of bits per character in a character set and the number of characters which can be represented (for example ASCII, extended ASCII and Unicode). Images how an image is represented as a series of pixels represented in binary metadata included in the file the effect of colour depth and resolution on the size of an image file. Sound how sound can be sampled and stored in digital form how sampling intervals and other factors affect the size of a sound file and the quality of its playback: sample size bit rate sampling frequency. Compression need for compression types of compression: lossy lossless. The revision sheets include exam questions at the end of each topic to help the students recap their revision and apply it to a question. Check out my shop to save on buying multiple sheets!! Enjoy!

Here you will find easy to follow revision sheets which will help your students to recap the topic: 1.6 Systems Security which includes: forms of attack threats posed to networks: malware phishing people as the ‘weak point’ in secure systems (social engineering) brute force attacks denial of service attacks data interception and theft the concept of SQL injection poor network policy identifying and preventing vulnerabilities: penetration testing network forensics network policies anti-malware software firewalls user access levels passwords encryption. The revision sheets include exam questions at the end of each topic to help the students recap their revision and apply it to a question. Check out my shop to save on buying multiple sheets!! Enjoy!

NEW J277 SPECIFICATION Here you will find easy to follow revision sheets which will help your students to recap the topic: 1.3 Computer Networks, Connections and Protocols 1.3.1 Networks and topologies ¨ Types of network: o LAN (Local Area Network) o WAN (Wide Area Network) ¨ Factors that affect the performance of networks ¨ The different roles of computers in a client-server and a peer-topeer network ¨ The hardware needed to connect stand-alone computers into a Local Area Network: o Wireless access points o Routers o Switches o NIC (Network Interface Controller/Card) o Transmission media ¨ The Internet as a worldwide collection of computer networks: o DNS (Domain Name Server) o Hosting o The Cloud o Web servers and clients ¨ Star and Mesh network topologies 1.3.2 Wired and wireless networks, protocols and layers ¨ Modes of connection: o Wired • Ethernet o Wireless • Wi-Fi • Bluetooth ¨ Encryption ¨ IP addressing and MAC addressing ¨ Standards ¨ Common protocols including: o TCP/IP (Transmission Control Protocol/Internet Protocol) o HTTP (Hyper Text Transfer Protocol) o HTTPS (Hyper Text Transfer Protocol Secure) o FTP (File Transfer Protocol) o POP (Post Office Protocol) o IMAP (Internet Message Access Protocol) o SMTP (Simple Mail Transfer Protocol) ¨ The concept of layers

Here you will find easy to follow revision sheets which will help your students to recap the topic: 2.2 Programming techniques the use of variables, constants, operators, inputs, outputs and assignments the use of the three basic programming constructs used to control the flow of a program: sequence selection iteration (count and condition controlled loops) the use of basic string manipulation the use of basic file handling operations: open read write close the use of records to store data the use of SQL to search for data the use of arrays (or equivalent) when solving problems, including both one and two dimensional arrays how to use sub programs (functions and procedures) to produce structured code the use of data types: integer real Boolean character and string casting the common arithmetic operators the common Boolean operators. The revision sheets include exam questions at the end of each topic to help the students recap their revision and apply it to a question. Check out my shop to save on buying multiple sheets!! Enjoy!

NEW J277 SPEC Here you will find easy to follow revision sheets which will help your students to recap the topic: 1.6 Ethical, Legal, Cultural and Environmental Impacts of Digital Technology ¨ Impacts of digital technology on wider society including: o Ethical issues o Legal issues o Cultural issues o Environmental issues o Privacy issues ¨ Legislation relevant to Computer Science: o The Data Protection Act 2018 o Computer Misuse Act 1990 o Copyright Designs and Patents Act 1988 o Software licences (i.e. open source and proprietary)

NEW J277 SPECIFICATION: Here you will find easy to follow revision sheets which will help your students to recap the topic: 2.3 Producing Robust Programs ¨ Defensive design considerations: o Anticipating misuse o Authentication ¨ Input validation ¨ Maintainability: o Use of sub programs o Naming conventions o Indentation o Commenting ¨ The purpose of testing ¨ Types of testing: o Iterative o Final/terminal ¨ Identify syntax and logic errors ¨ Selecting and using suitable test data: o Normal o Boundary o Invalid/Erroneous ¨ Refining algorithms The revision sheets include exam questions at the end of each topic to help the students recap their revision and apply it to a question. Enjoy!

Here you will find easy to follow revision sheets which will help your students to recap the topic: 2.4 Computational logic: why data is represented in computer systems in binary form simple logic diagrams using the operations AND, OR and NOT truth tables combining Boolean operators using AND, OR and NOT to two levels applying logical operators in appropriate truth tables to solve problems applying computing-related mathematics: – / Exponentiation (^) MOD DIV The revision sheets include exam questions at the end of each topic to help the students recap their revision and apply it to a question. Check out my shop to save on buying multiple sheets!! Enjoy!

**NEW J277 SPECIFICATION: ** Here you will find easy to follow revision sheets which will help your students to recap the topic: 2.5 – Programming languages and Integrated Development Environments 2.5.1 Languages Characteristics and purpose of different levels of programming language: o High-level languages o Low-level languages The purpose of translators The characteristics of a compiler and an interpreter 2.5.2 The Integrated Development Environment (IDE) Common tools and facilities available in an Integrated Development Environment (IDE): o Editors o Error diagnostics o Run-time environment o Translators

NEW J277 SPECIFICATION: Here you will find easy to follow revision sheets which will help your students to recap the topic: 2.4 – Boolean logic Simple logic diagrams using the operators AND, OR and NOT Truth tables Combining Boolean operators using AND, OR and NOT Applying logical operators in truth tables to solve problems The revision sheets include exam questions at the end of each topic to help the students recap their revision and apply it to a question. Enjoy!

An introduction to Python Programming which takes the students through the initial use of: -Printing -Variables -Comments It also explains the use of Syntax and the ways in which students should structure their work. Has been tried and tested many a time! Look out for more lessons on Python soon! Including full SOWs

NEW J277 SPECIFICATION Here you will find easy to follow revision sheets which will help your students to recap the topic: 1.4 Network Security 1.4.1 Threats to computer systems and networks ¨ Forms of attack: o Malware o Social engineering, e.g. phishing, people as the ‘weak point’ o Brute-force attacks o Denial of service attacks o Data interception and theft o The concept of SQL injection 1.4.2 Identifying and preventing vulnerabilities ¨ Common prevention methods: o Penetration testing o Anti-malware software o Firewalls o User access levels o Passwords o Encryption o Physical security

part of the BTEC Level 3 Diploma in Information Technology which i delivered to level 3 students, pack contains all resources that i used including assignments

A introduction to computer hardware for KS3, this was part of the Hardware and Software unit that was delivered. Lesson includes an introduction to the topic and tasks to complete. Extensions tasks also included. The full SOW can also be bought in the shop