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OCR A-Level Computer Science 2024/2025
OCR A-Level Computer Science OCR A-Level Computer Science OCR A-Level Computer Science
lectjoseph
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COMPUTER SCIENCE Exam Package Deal Questions and Answers 100% Solved
COMPUTER SCIENCE Exam Package Deal Questions and Answers 100% Solved
JOSHCLAY
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OCR Computer Science A Level Paper 1 Exam Questions and Answers
PC Program counter, contains the address of the next instruction CIR Current Instruction Register: stores the address of the next instruction currently being executed and decoded MAR Memory Address Register, holds relevant memory address (to read from or write to) MDR Memory Data Register, stores data being transferred to and from memory, acts as a buffer ALU Arithmetic and Logic Unit, does all mathematical calculations and makes all logical decisions Accumulator A storage register in the A...
Salano
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OCR AS and A level Computer Science Exercises
Q1.(a) Explain why compression is considered necessary for images on the web. [2] Transmission of data is faster (web pages will load more quickly) and uses less data allowance with smaller image files. Q1.(b) Explain why lossy compression techniques would not be suitable for use with files containing large bodies of text. [1] Since lossy methods do not retain 100% of the original data, a text file would lose some characters and become more difficult to read. Q1.(c) Suggest a suitable lossless...
Salano
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OCR A-Level Computer Science Software Development Review Questions and Answers
Stages of software development analysis Design Programming Testing Implementation Evaluation Analysis defining the problem so it can be solved Design consideration of how the product will look and work Programming breaking down the problem into smaller and smaller modules so each performs a single well-defined task Black box testing a testing method that doesn't use the code, instead focused on inputs and outputs White box testing dependent on code logic - derived from program structure ra...
Salano
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OCR A-Level Computer Science Review Questions and Answers
1 Dimensional Arrays A standard list array - one index is needed to search for something in an array. 2 Dimensional Arrays An array with 2 indexes needed to search - for example a table could be this. Interception of PseudoCode The ability to pick out and explain parts of code. Big O' A measure of complexity within a piece of code. Recursion The process of looping, calling itself in looping. Functions A decomposed part of code that has a specific job to output or return something Iteratio...
Salano
Examen
OCR A-Level Computer Science - Software Development – Methodologies Questions and Answers
Waterfall Method A development methodology that splits a project up into a number of sequential stages, with each stage having a specific purpose. Pure Waterfall Method Identical to Waterfall Method, except once a stage is passed it cannot be re-visited. Stages of Waterfall Method 1. Define Requirements 2. Analyse 3. Design 4. Implement 5. Test 6. Install 7. Maintain Define Requirements stage of Waterfall Method Decribe project's purpose and define the stakeholder's needs. Analysis stage o...
Salano
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OCR A Level Computer Science Paper 2 Practice Questions and Answers
Abstraction a way of separating logical and physical parts of a problem e.g. the london underground map. You get rid of unnecessary details Problem abstraction where you keep removing details until the problem reduces to one that has already been solved Modelling and Simulation Building a model of a real world object can be used to solve a particular problem such as Aircraft simulation, Climate change models Precondition is the logic part of a statement statement that has to be true for the p...
Salano
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OCR A level Computer Science Paper 2 Exam Revision Questions and Answers
Abstraction Representation that is arrived at by removing unnecessary details Pop Remove and return the last item from a list/data structure Push To add an item to the top of a stack/end of a queue/list Depth First Traversal Each node in one branch is visited before backtracking to explore the next branch. Breadth First Traversal Begins at a root node and inspects all the neighboring nodes. Then for each of those neighbor nodes in turn, it inspects their neighbor nodes which were unvisited, ...
Salano
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OCR A Level Computer Science- Networks Review Questions and Answers
Protocol A set of rules governing the exchange or transmission of data between devices. Hypertext Transfer Protocol (HTTP) protocol that defines how messages are formatted and transmitted over the World Wide Web File Transfer Protocol (FTP) a simple network protocol that allows the transfer of files between two computers on the internet Transmission Control Protocol (TCP) provides reliable, ordered, and error-checked delivery of a stream of packets on the internet. Internet Protocol (IP) A c...
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computer science exams in one package latest update
Computer Science exam latest update 2024 with questions & veried answers BRAND NEWGCSE Computer Science exam latest update 2024 with questions & veried answers BRAND NEWGCSE Computer Science exam latest update 2024 with questions & veried answers BRAND NEW
QueenElsa
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OCR A-Level Computer Science Question and Answer 100% Correct
OCR A-Level Computer Science Question and Answer 100% Correct 1 Dimensional Arrays - A standard list array - one index is needed to search for something in an array. 2 Dimensional Arrays - An array with 2 indexes needed to search - for example a table could be this. Interception of PseudoCode - The ability to pick out and explain parts of code. Big O' - A measure of complexity within a piece of code. Recursion - The process of looping, calling itself in looping. Functions - A decompos...
JOSHCLAY
Examen
OCR A-Level Computer Science
OCR A-Level Computer Science 1 Dimensional Arrays - CORRECT ANSWER-A standard list array - one index is needed to search for something in an array. 2 Dimensional Arrays - CORRECT ANSWER-An array with 2 indexes needed to search - for example a table could be this. Interception of PseudoCode - CORRECT ANSWER-The ability to pick out and explain parts of code. Big O' - CORRECT ANSWER-A measure of complexity within a piece ...
QueenElsa
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Ocr Exam Bundle(Complete Package)
OCR EXAM BUNDLE(COMPLETE PACKAGE)A Level Computer Science Paper 2 Exam 2024Questions And Answers 100% Upated!OCR EXAM BUNDLE(COMPLETE PACKAGE)A Level Computer Science Paper 2 Exam 2024Questions And Answers 100% Upated!OCR EXAM BUNDLE(COMPLETE PACKAGE)A Level Computer Science Paper 2 Exam 2024Questions And Answers 100% Upated!OCR EXAM BUNDLE(COM
papersmaster01
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OCR A-level Computer Science Software development Correct Questions And Answers 100% Correct!
stages of software development - ANSWERSanalysis design programming testing implementation evaluation analysis - ANSWERSdefining the problem so it can be solved design - ANSWERSconsideration of how the product will look and work programming - ANSWERSbreaking down the problem into smaller and smaller modules so each performs a single well-defined task black box testing - ANSWERSa testing method that doesn't use the code, instead focused on inputs and outputs white box testing...
papersmaster01
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OCR A Level Computer Science H446/02 > Algorithms and programming QUESTION PAPER + MARK SCHEME June 2022 | 100% Verified
OCR A Level Computer Science H446/02 > Algorithms and programming QUESTION PAPER + MARK SCHEME June 2022 | 100% Verified OCR A Level Computer Science H446/02 > Algorithms and programming QUESTION PAPER + MARK SCHEME June 2022 | 100% Verified
LectWilson
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OCR A Level Computer Science Test Questions With Complete Solutions
OCR A Level Computer Science Test Questions With Complete Solutions 1 Dimensional Arrays - ANSWER A standard list array - one index is needed to search for something in an array. 2 Dimensional Arrays - ANSWER An array with 2 indexes needed to search - for example a table could be this. Interception of PseudoCode - ANSWER The ability to pick out and explain parts of code. Big O' - ANSWER A measure of complexity within a piece of code. ...
ScholarExams
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OCR A-Level Computer Science/238 Questions and Answers/100% Accurate
OCR A-Level Computer Science/238 Questions and Answers/100% Accurate
AccurateScores
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OCR A Level Computer Science Paper 2 Rated 5 star study guide bundled documents. (recommended for your exams)
OCR Computer Science Paper 2 (100% verified) OCR Computer Science Paper 2 (100% verified) OCR A Level Computer Science Paper 2 Rated 5 star OCR A level Computer Science paper 2
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OCR A Level Computer Science Paper 2 Rated 5 star
OCR A Level Computer Science Paper 2 Rated 5 star Abstraction - a way of separating logical and physical parts of a problem e.g. the london underground map. You get rid of unnecessary details Problem abstraction - where you keep removing details until the problem reduces to one that has already been solved Modelling and Simulation - Building a model of a real world object can be used to solve a particular problem such as Aircraft simulation, Climate change models Precondition - ...
InsightInk