KS3 Computing revision checklist

Key Stage 3 · National Curriculum

Using technology safely

• Staying safe onlineLesson →
• Strong passwords and secure accountsLesson →

Computer systems

• Hardware: inside a computerLesson →
• Software and operating systemsLesson →

Computational thinking and programming

• Computational thinkingLesson →
• Algorithms and flowchartsLesson →
• Block-based programmingLesson →
• First steps in PythonLesson →

Binary and data

• Binary numbersLesson →
• Bits, bytes and file sizesLesson →

Programming in Python

• Python: making decisions with ifLesson →
• Python: loopsLesson →

Boolean logic

• Boolean logic: AND, OR, NOTLesson →
• Logic gates and circuitsLesson →

Binary arithmetic and text

• Converting denary to binaryLesson →
• Binary addition and overflowLesson →
• Representing text: ASCII and UnicodeLesson →

Searching algorithms

• Searching: linear and binary searchLesson →

Networks and online life

• Networks and the internetLesson →
• Your digital footprint and online identityLesson →

Collecting and analysing data

• Spreadsheets: collecting and analysing dataLesson →

Modular programs and data structures

• Python: listsLesson →
• Python: procedures and functionsLesson →

Sorting and comparing algorithms

• Sorting: bubble sortLesson →
• Sorting: merge sort and comparing algorithmsLesson →

How computers run programs

• How the CPU runs programsLesson →

Representing images and sound

• Representing imagesLesson →
• Representing soundLesson →

Modelling with abstraction

• Modelling the real worldLesson →

Security and digital creativity

• Cyber security: threats and protectionLesson →
• Creating digital artefactsLesson →