Key term
WJEC A-Level Computer Science 601-5345-3
Hardware: Architecture, Memory and Storage
Networks and Data Transmission
Logic Gates and Boolean Algebra
Data Representation and Data Types
Data Structures
Organisation of Data: Files and Records
Database Systems
The Operating System
Algorithms and Programs
Principles of Programming
Systems Analysis
Software Engineering and Program Construction
Topic overviewIntegrated development environments and their purposeEditors, syntax highlighting and code entry toolsDebugging tools: breakpoints, stepping and watchesTranslation, source code and object codeLexical analysis and the symbol tableSyntax and semantic analysisCode generation and optimisation
Types of Software System
Practical Programming
Data Security and Integrity
Computing, Society and the Law
Topic overviewSocial and economic change from computingComputers and the nature of employmentThe digital divide and cultural changeEnvironmental cost of computingData protection and freedom of information lawThe Computer Misuse Act 1990 and computer crimeCopyright, surveillance and professional codes
Advanced Data Structures and Logic
Recursion, Sorting and Searching
Programming Paradigms and Translators
Topic overviewFunctional, declarative and imperative paradigmsClasses, methods and object-oriented designStandardisation of computer languagesAmbiguity in natural language and unambiguous notationBackus-Naur form and syntax diagramsCompilers, interpreters and assemblersTranslation and execution errors
System Design and Human-Computer Interaction
Software Engineering Tools and Professional Practice
Topic overviewSoftware tools for the software engineering processSoftware packages in systems analysis and specificationSoftware packages in systems designTesting tools and testing strategiesProgram version managementProgram libraries and project management toolsCodes of conduct and professional behaviour
Advanced Architecture and Assembly Language
Communication Networks and File Organisation
Number Representation and Floating Point
Databases and Distributed Systems
Topic overviewConsistency, redundancy and data independenceRelational organisation and normalisationRestructuring data into third normal formEntity relationship modellingQuery languages and SQLValidation, verification and the DBMSBig Data, data warehousing and miningDistributed systems and distributed databases
Operating System Management
Software Systems and Applications
Data Security, Cryptography and Attack
Advanced Architecture and Assembly Language
- 7 subtopics
- 21 things to know
- A2 Unit 4
What Advanced Architecture and Assembly Language covers
Advanced Architecture and Assembly Language is examined in A2 Unit 4, Computer Architecture, Data, Communication and Applications. It covers components of contemporary architecture, Von Neumann and Harvard architectures, the fetch-execute cycle in detail, parallel processing and its limits, assembly language and instruction formats, voice input, command and recognition and mobile and wireless networking.
Where it is assessed
A2 Unit 4
Computer Architecture, Data, Communication and Applications.
Check the WJEC specification ↗The 7 subtopics
Each one has its own page.
- Components of contemporary architectureThree principal components of a processor, program counter and memory address register.Open →
- Von Neumann and Harvard architecturesDefining feature of the Von Neumann architecture, stored program concept and von Neumann bottleneck.Open →
- The fetch-execute cycle in detailThree phases of the fetch-execute cycle, clock speed of a processor and interrupt, in the context of the cycle.Open →
- Parallel processing and its limitsParallel processing, difference between concurrency and parallelism and name of the law describing that limit.Open →
- Assembly language and instruction formatsAssembly language, two parts of a machine instruction and immediate addressing.Open →
- Voice input, command and recognitionCommand and control voice system, vocabulary dictation system and voice print recognition.Open →
- Mobile and wireless networkingWireless access point and MAC address filtering.Open →
What you need to know
Answer each one before you reveal it.
Your recallNot started
Key term
What defines the Von Neumann architecture, what limits it, and what architecture answers that limit?
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What are the parts of a machine instruction, and how do immediate and direct addressing differ?
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State the three phases of the fetch-execute cycle.
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What is the difference between concurrency and parallelism?
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What is a command and control voice system?
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Give three applications that require a portable device to be connected to a network.
Process
Name the three principal components of a processor.
Key term
What is the defining feature of the Von Neumann architecture?
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What happens first in the fetch phase?
Process
Why can a task not always be made faster by adding processors?
Key term
What is assembly language?
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What is a vocabulary dictation system?
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What hardware does a device need to join a wireless network?
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What is a register?
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What is the stored program concept?
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In the fetch phase, what happens after the address reaches the memory address register?
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State Amdahl's law in words.
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What is a mnemonic?
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What is voice print recognition?
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What is a wireless access point?
Take Advanced Architecture and Assembly Language further
The same content, four other ways.
Questions from this topic
Each one with the model answer underneath.
- 1
Name the three principal components of a processor.
Model answer
The arithmetic logic unit, the control unit and the registers.
- 2
What does the arithmetic logic unit do?
Model answer
It carries out arithmetic operations and logical comparisons on data held in registers.
- 3
What does the control unit do?
Model answer
It decodes instructions and issues the control signals that coordinate the other components.
- 4
What is a register?
Model answer
A very small, very fast store inside the processor holding data or an address for immediate use.
- 5
What is the program counter?
Model answer
The register holding the address of the next instruction to be fetched.
- 6
What is the memory address register?
Model answer
The register holding the address of the memory location currently being read from or written to.
What is inside Levo
Six ways to work the same material.
Advanced Architecture and Assembly Language revision questions
- What does Advanced Architecture and Assembly Language cover in WJEC A-Level Computer Science?
- 7 subtopics: components of contemporary architecture, von neumann and harvard architectures, the fetch-execute cycle in detail, parallel processing and its limits, assembly language and instruction formats, voice input, command and recognition and mobile and wireless networking. Each one has its own page with questions and model answers.
- How is Advanced Architecture and Assembly Language organised?
- By the WJEC 601-5345-3 specification, subtopic by subtopic, so it matches the order you are taught it in.
Every question in Advanced Architecture and Assembly Language, on a schedule.
Attempt a question from memory, write the correct version, then attempt it again. Levo records the jump between your first attempt and your last, and brings each question back on the day you are due to forget it.
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