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Assessment GCSE
Year 9 Year 10 Year 11
3.1 Algorithms
Effective Notetaking Understanding Algorithms Decomposition Abstraction Flowcharts Flowcharts 2 Trace Tables Searching Algorithms Bubble Sort Merge Sort
3.2 Programming
Imperative Languages Variables Data Types Input/Output Arithmetic Operators Comparison Operators Using Selection For - loops While - loops Data Structures String Manipulation Random Numbers File Operations Procedures Program Structure Data Validation Data Authentication Errors and testing high and low level languages
3.3 Data representation
3.3.1 - Number Bases 3.3.2 - Converting Number Bases 1 3.3.4 - Binary Arithmetic 3.3.2 - Converting Number Bases 2 3.3.3 - Units of Information 3.3.5 - Character Encoding 3.3.6 - Representing images 3.3.7 - Representing Sound 3.3.8 - Data Compression 3.3.8 - Huffman Coding
3.4 Computer Systems
Boolean Logic Operating systems Utility Software Computer Architecture CPU Types of Memory Storage Media
3.5 Computer Networks
Networks Overview Network Topologies Network Hardware Network Protocols Network Security Network Layers

Overview

Learning Objectives

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ID	Skill_name
3.2.7	Input/output
3.2.8	String-handling operations in a programming language
3.2.9	Random number generation in a programming language
3.2.10	Structured programming and subroutines (procedures and functions)
3.2.11	Robust and secure programming

🏁 Learning Objective Assemblers, compilers and interpreters

Lesson Video

Lesson Tasks

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Complete the coding activities
Using Python
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Assemblers, compilers and interpreters - Learning Activities

Assemblers

An assembler will translate code written in assembly language into machine code. Assembly language is a very low-level language written using mnemonics like LDA (Load the Accumalator) so that it reflects as closely as possible the internal operations of the CPU.

Compilers

A compiler is a translator program that processes statements written in high level languages like C++ and turns them into machine code. It does this by looking at the whole of the code and turning it into object code before it is then converted in machine code when the object code is run

Interpreters

Interpreters translate code from high level languages into machine code one line at a time so that the program is being translated while the program is running

Coding activity

Task: Interpreters

Write down the advantages and disadvantages of using an interpreter.

Task: Compilers

Write down the advantages and disadvantages of using a compiler.

Task: Assemblers

Write down the advantages and disadvantages of using an assembler.

Extension Task : Little man Computer Challenge

Complete Little Man Computer task 'Mini Challenges' by clicking on the image below

Learning Outcomes

I can describe what the three types of translators do
I can explain what the three types of translators are
and how they turn code into machine code.
I can explain how high and low level code is translated
into machine code and the advantages and
disadvantages of each method.