Welcome to my TES shop, here you will find Computing and ICT related items which will be of use throughout the secondary context.
Feel free to have a browse of the resources available, which include:
-Individual Lessons
-Full Schemes of work
-Mock Exam Papers & Mark Schemes
-Revision Plans
All resources are available at a very reasonable price and have be used effectively to teach lessons.
Enjoy!
Welcome to my TES shop, here you will find Computing and ICT related items which will be of use throughout the secondary context.
Feel free to have a browse of the resources available, which include:
-Individual Lessons
-Full Schemes of work
-Mock Exam Papers & Mark Schemes
-Revision Plans
All resources are available at a very reasonable price and have be used effectively to teach lessons.
Enjoy!
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!
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!
Here you will find easy to follow revision sheets which will help your students to recap the topics:
1.1 Systems Architecture
1.2 Memory
1.3 Storage
1.4 Wired and Wireless Networks
1.5 Network Topologies Protocols and Layers
1.6 Systems Security
1.7 System Software
1.8 Ethical Legal Cultural and Environmental Concerns
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 for a bundle on unit 2! as well as a complete set of sheets for both unit 1 & 2!
Enjoy!
Here you will find easy to follow revision sheets which will help your students to recap the topic:
2.5 Translators and facilities of languages
characteristics and purpose of different levels of programming language, including low level languages
the purpose of translators
the characteristics of an assembler, a compiler and an interpreter
common tools and facilities available in an integrated development environment (IDE):
editors
error diagnostics
run-time environment
translators.
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:
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 topics:
-2.1 Algorithms
-2.2 Programming Techniques
-2.3 Robust Programs
-2.4 Computational Logic
-2.5 Translators & Facilities of Languages
2.6 Data Representation
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 for the unit 1 bundle as well as a complete set for unit 1 and 2!
Enjoy!
NEW J277 SPECIFICATION:
Here you will find easy to follow revision sheets which will help your students to recap the topic:
1.1 Systems Architecture which includes:
The purpose of the CPU:
o The fetch-execute cycle
¨ Common CPU components and their function:
o ALU (Arithmetic Logic Unit)
o CU (Control Unit)
o Cache
o Registers
¨ Von Neumann architecture:
o MAR (Memory Address Register)
o MDR (Memory Data Register)
o Program Counter
o Accumulator
How common characteristics of CPUs affect their performance:
o Clock speed
o Cache size
o Number of cores
¨ The purpose and characteristics of embedded systems
¨ Examples of embedded systems
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!
The complete revision set for OCR Computer Science. For all topics:
Computer systems
• Systems Architecture
• Memory
• Storage
• Wired and wireless networks
• Network topologies, protocols
and layers
• System security
• System software
• Ethical, legal, cultural and
environmental concerns
Computational thinking, algorithms
and programming
• Algorithms
• Programming techniques
• Producing robust programs
• Computational logic
• Translators and facilities of
languages
• Data representation
included are 100’s of practice questions related to each topic!
Buy now save ££££’s!
NEW J277 SPECIFICATION
Here you will find easy to follow revision sheets which will help your students to recap the topic:
1.5 Systems Security
The purpose and functionality of operating systems:
o User interface
o Memory management and multitasking
o Peripheral management and drivers
o User management
o File management
1.5.2 Utility software
¨ The purpose and functionality of utility software
¨ Utility system software:
o Encryption software
o Defragmentation
o Data compression
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
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
A complete set of revision sheets for J277 OCR Computer Science. Includes all of the topics for the first unit J277/01: Computer systems.
1,1 Systems architecture
1,2 Memory and storage
1,3 Computer networks, connections and
protocols
1.4 Network security
1.5 Systems software
1.6 Ethical, legal, cultural and environmental impacts of digital technology
With over 150 practice questions to test your students!!!
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:
2.1 – Algorithms
Principles of computational thinking:
o Abstraction
o Decomposition
o Algorithmic thinking
Identify the inputs, processes, and outputs for a problem
¨ Structure diagrams
¨ Create, interpret, correct, complete, and refine algorithms using:
o Pseudocode
o Flowcharts
o Reference language/high-level programming language
¨ Identify common errors
¨ Trace tables
Standard searching algorithms:
o Binary search
o Linear search
¨ Standard sorting algorithms:
o Bubble sort
o Merge sort
o Insertion sort
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!
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!
A complete set of revision sheets for J277 OCR Computer Science. Includes all of the topics for the first unit J277/02: Computational thinking, algorithms and programming
2.1 Algorithms
2.2 Programming fundamentals
2.3 Producing robust programs
2.4 Boolean logic
2.5 Programming languages and Integrated
Development Environments
With over 100 practice questions to test your students!!!
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!
**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
The ultimate revision pack for your students to get to grips with the J277 OCR Computer Science specification
Includes ALL the resources needed for both unit 1 and unit 2
Computer Systems
1.1 Systems architecture
1.2 Memory and storage
1.3 Computer networks, connections and protocols
1.4 Network security
1.5 Systems software
1.6 Ethical, legal, cultural and environmental impacts of digital technology
Computational thinking, algorithms and programming
2.1 Algorithms
2.2 Programming fundamentals
2.3 Producing robust programs
2.4 Boolean logic
2.5 Programming languages and Integrated Development Environments
Save yourself 50% with this bundle :)
Here you will find easy to follow revision sheets which will help your students to recap the topics in Theme 1 - Investigating Small Business.
Includes over 100 practice exam questions to test your students knowledge! Including extended response questions!