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OCR A level Computer Science - Paper 1 (2022)

This class was created by Brainscape user Katrina Cuevas. Visit their profile to learn more about the creator.

By: Katrina Cuevas
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Decks in this class (11)

The Fetch-Decode-Execute Cycle; including its effects on registers
What happens during the fetch phase,
What happens during the decode phase,
What happens during the execute p...
4  cards
The use of pipelining in a processor to improve efficiency
What is pipelining,
What is the aim of pipelining,
What is instruction pipelining
5  cards
Von Neumann, Harvard and contemporary processor architecture
What is von neumann architecture,
Where is von neumann architecture...,
Advantages of von neumann archite...
9  cards
The differences between and uses of CISC and RISC processors.
What does risc stand for,
What is risc,
What does cisc stand for
7  cards
Scheduling: round robin, first come first served, multi-level feedback queues, shortest job first and shortest remaining time
Explain the purpose of scheduling,
What is meant by a pre emptive sc...,
What is meant by a
19  cards
Translators: Interpreters, compilers and assemblers, stages of compilation (lexical analysis, syntax analysis, code generation and optimisation)
What is a translator,
What are 3 translators,
What are compilers
18  cards
Assembly language (including following and writing simple programs with the Little Man Computer instruction set)
Add,
Sub,
Sta
11  cards
SQL – Interpret and modify
What does sql stand for,
What does the from statement do,
What does the select statement do
12  cards
Transaction processing, ACID (Atomicity, Consistency, Isolation, Durability), record locking and redundancy
What is meant by referential inte...,
What is meant by a transaction,
What is meant by transaction proc...
10  cards
The internet structure: The TCP/IP Stack
What does tcp ip stand for,
What are the 4 layers in the tcp ...,
What happens in the application l...
6  cards
How character sets (ASCII and UNICODE) are used to represent text
What is meant by a character set,
What is meant by ascii,
What is meant by unicode
4  cards

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OCR A level Computer Science - Paper 1 (2022)

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