A style of compression that can compress data files without losing any of the information. Adv - reversible so that the original data can be reconstructed.  Dadv - unsuitable for tect files / programs, 

What is lossless compression? Adv / Aadv?

Including the necessary details and getting rid of unnecessary details

Breaking down one complex problem into smaller, more manageable sub-problems

When the result of an addition is too large for the number of bits the computer had the capacity for

Control Unit, Arithmetic Logic Unit, Main Memory, Inputs and Outputs

What does von Neumann architecture consist of?

Left - shifts value one digit to the left (multiplies by 2)           Right - shifts value one unit to the right (divides by 2)

What does a binary shift left / right do?

Performs arithmetic calculations and makes logical decisions

Sends signals to control how data moves around the CPU

Temporary storage of data and instructions being read from and written to memory located in the CPU

A register in the CPU that holds the results of calculations

The number of samples stored per second. Measured in Hertz

Compresses data files by getting rid of some of the information. Adv - compresses files greatly, suitable for media files  Dadv - cannot be decompressed

Errors that produce enexpected outputs but don't stop the program from running

Smallest unit of storage, a single binary digit that can only be represented with a 1 (true) or a 0 (false)

A register in the CPU that holds the address of the next instruction to be executed in memory

Holds data and instructions that the CPU needs to access while the computer is running (RAM, ROM, caches)

Storing running programs in secondary storage when main memory becomes full to allow the computer to continue to run

A register in the CPU that holds the memory adress where data is to be fetched from or written to

English (UK)

Flashcard

Dae 🏎🪩

United Kingdom

DEFAULT (England)

Computer Science

Computer Science Paper 1 flashcards (unit 1.1, 1.2, 1.3, 1.4, 1.5, 1.6 OCR)

Quotes + Analysis for characters in An Inspector Calls (Grade 8+)

Explore in-depth analysis and key quotes for characters in J.B. Priestley's 'An Inspector Calls'. This resource covers Gerald Croft, Inspector Goole, Sheila Birling, Mrs. Birling, Eric Birling, and Eva Smith, focusing on themes of class, gender roles, and social responsibility. Ideal for students aiming for Grade 8 and above.

An Inspector Calls: Character Insights

Mind map

Liv_767

English Literature

An Inspector Calls Characters

Revision note

soph🐈‍⬛¿

Biology

Combined Science

aqa higher tier combined science -  biology b1 : cell biology, paper 1

Everything you need to revise families for paper 2 :)

Dive into an extensive overview of family dynamics, perspectives, and patterns in sociology. This resource covers key concepts such as family diversity, gender roles, marriage, and the impact of social policies on family structures. Perfect for A-Level Sociology students preparing for Paper 2.

Sociology of Families: Comprehensive Revision

Saffron

Sociology

A-Level Sociology: Families and Households Full Topic Revision 

Revision maps for all 9 crime and deviance topics
I want to say thank you to everyone who's been so patient while i finished these notes- I got so many message asking if i had full topic notes for this unit so I'm glad to hear my work is helping people :)

Explore an extensive revision of crime and deviance topics, including theories, types of crime, and the impact of media. This resource covers key concepts such as Marxism, functionalism, gender and crime, and the influence of globalization on criminal behavior. Ideal for students seeking a thorough understanding of criminology and its various theories. Type: Full Topic Revision.

Comprehensive Crime & Deviance Overview

Crime & Deviance: full topic revision

A-Level Sociology: Education. So these notes have all the sociologists studies that are also part of methods in context, I just haven't covered research methods here :)

Explore comprehensive A-Level Sociology notes on the education system, covering key theories, policies, and sociological perspectives. This resource includes insights on marketisation, gender roles, cultural deprivation, and educational inequalities, providing a thorough understanding of how education shapes social stratification and individual achievement. Ideal for exam preparation and in-depth study.

Sociology of Education Overview

Education- full topic revision 

model answer for the unit 3 assessment in year 13

Explore the essential rules governing the use of evidence in criminal cases, including reliability, admissibility, and relevance. This summary covers key concepts such as the roles of personnel in investigations, the impact of witness testimonies, and the implications of plea bargaining. Ideal for Year 13 criminology students preparing for assessments.

Criminal Justice Evidence Rules

Essay

Wheezey

Criminology

CRIMINOLOGY UNIT 3 MODEL ANSWERS

Comprehensive study notes covering key concepts in cellular biology, human digestion, respiration, photosynthesis, and the circulatory system. This resource includes detailed explanations of cell structures, enzyme functions, nutrient absorption, and the impact of environmental factors on biological processes. Ideal for students preparing for Biology Paper 1 exams.

Biology Paper 1 Overview

Lydia Taylor

Study note

English

biology notes for paper 1

DEFAULT

Biology notes for paper 1

macbeth, lady macbeth and macbeth themes and context

Explore the complex themes of guilt and ambition in Shakespeare's 'Macbeth'. This analysis covers key characters, including Macbeth and Lady Macbeth, their moral dilemmas, and the tragic consequences of their ambition. Ideal for students studying character motivations, thematic elements, and the psychological impact of power. Includes insights on the natural order, manipulation, and the descent into madness.

Macbeth: Guilt and Ambition

ruru

Macbeth mind maps

English Paper 1 Language broken down into sections and tips.

Master the AQA English Language Paper 1 with this comprehensive guide. Explore key strategies for language and structural analysis, critical evaluation, and creative writing. Learn how to effectively analyze texts, utilize literary techniques, and enhance your writing skills to excel in your exams.

Language Paper 1 Strategies

Presentation

alessia

English Language

English Language Paper 1 Overview 

Macbeth quotes with positions in the play


Explore essential quotes from Shakespeare's 'Macbeth' that highlight key themes such as ambition, guilt, and deception. This analysis includes significant lines from characters like Macbeth and Lady Macbeth, along with their context in the play. Ideal for students studying character development and thematic elements in literature.

Key Quotes from Macbeth

Megan 🎧

Macbeth key qoutes

Comprehensive study material for OCR GCSE Computer Science covering key topics such as computer architecture, network security, programming techniques, and ethical considerations. Ideal for exam preparation, this resource includes essential concepts, exam questions, and definitions to enhance understanding and retention.

GCSE Computer Science Overview

Delwin Sebastian 

CS OCR  

Concise revision notes for the GCSE OCR computer science specification (J277). Contains all the info needed for paper 1. Paper 2 is in my bio.

GCSE Computer Science // Revision Notes

Covers every topic in Component 1 of the J277 specification (for OCR GCSE Computer Science)
*NOTE THESE REVISION NOTES ARE FOR COMPONENT 1 ONLY, NOT COMPONENT 2
Link to original slides: https://docs.google.com/presentation/d/1ib4dw-6Tud0yvlkxXyPpQhA5DkDqs

Comprehensive revision notes for OCR GCSE Computer Science Component 1 (J277). Covers key topics including networking, cybersecurity, data compression, computer architecture, and ethical issues. Ideal for exam preparation and understanding core concepts. Access original slides for further details.

GCSE Computer Science Revision

Armaan Farooq

OCR GCSE Computer Science Component 1 Revision Notes

Revision notes on the entire AQA GCSE specification, with all relevant notes & information.

Comprehensive revision notes covering the AQA GCSE Computer Science curriculum, including key topics such as computer memory, cybersecurity, programming concepts, network protocols, and data representation. Ideal for exam preparation and understanding core concepts in computing.

AQA GCSE Computer Science Overview

Alex

AQA GCSE Computer Science Paper 1 + 2 Complete revision notes.

Harry

1.1.2

This is the complete notes for the entirety of component 1 of computer science 

Explore comprehensive insights into Computer Science Component 1, covering essential topics such as network security, encryption, data compression, and ethical issues in computing. This summary provides a detailed understanding of key concepts including binary data, protocols, operating systems, and cybersecurity measures. Ideal for students preparing for OCR assessments.

Computer Science Component 1 Overview

Diyen Bhudia 

CS Component 1 notes OCR

Explore the architecture of the Central Processing Unit (CPU) including the fetch-decode-execute cycle, key components like the ALU, Control Unit, and registers, and the principles of Von Neumann architecture. This summary is essential for understanding CPU processes in computer science.

CPU Architecture Overview

Armaan Irfan

1.1.1. cpu architecture 

AP Computer Science A

Isha

Computer science paper 1

How to code in python for beginners: year 8 end of topic prep! 

Master the fundamentals of Python programming with this comprehensive guide tailored for Year 8 students. Explore key concepts such as variables, loops, conditional statements, and arithmetic operators. This resource includes practical examples and interactive coding exercises to enhance your understanding and prepare you for assessments.

Computer Science Paper 1 flashcards (unit 1.1, 1.2, 1.3, 1.4, 1.5, 1.6 OCR)

Flashcards

Computer Science: Hardware & the CPU

Computer systems

Computer Science Paper 1 flashcards (unit 1.1, 1.2, 1.3, 1.4, 1.5, 1.6 OCR)

Flashcards

Computer Science: Hardware & the CPU

Computer systems