Algorithms, databases and logic
Write your reasoning, then compare it with the indicative marking points. Check your own exam-board specification for required coverage.
- Algorithms
- Databases
- Logic
Practice betaUsable beta practice. Treat marking points as a helpful practice guide, not a certified answer key.
AS/A Level · Learning hub
Computer Science
About this subject
Original concept practice. Limited preview, not a complete syllabus or official past-paper collection.
Topics & subtopics
Programming and computer systems
Original application practice with worked explanations and indicative self-marking points. Not an official exam paper or a board-specific assessment.
- Program tracing
- Computer systems
- Testing
Data representation
Original practice in data representation; indicative answers for unofficial practice.
- Binary and signed integers
- Media sizes
- Compression
Processor architecture and memory
Original practice in processor architecture and memory; indicative answers for unofficial practice.
- Fetch-decode-execute
- Cache
- Interrupts
Networks and protocols
Original practice in networks and protocols; indicative answers for unofficial practice.
- Packet routing
- Protocol layers
- Transfer calculations
Relational databases
Original practice in relational databases; indicative answers for unofficial practice.
- Keys and integrity
- Normalisation
- Queries and transactions
Algorithms and complexity
Original practice in algorithms and complexity; indicative answers for unofficial practice.
- Searching
- Sorting
- Proof and complexity
Data structures and graphs
Original practice in data structures and graphs; indicative answers for unofficial practice.
- Stacks and queues
- Hashing
- Graph traversal
Programming and reasoning
Original practice in programming and reasoning; indicative answers for unofficial practice.
- Scope and parameters
- Recursion
- Validation and testing
Security and software quality
Original practice in security and software quality; indicative answers for unofficial practice.
- Authentication and access
- Injection defence
- Testing and ethics
Structured progression
Revision Ladder
Start with foundations, then move through application and challenge. Stages use activity marks and complexity.
Stage 1
Start stage Foundation
Recall core ideas and establish reliable methods.
18 questions available0/18 completedStage 2
Start stage Apply
Connect concepts and apply them in exam-style contexts.
19 questions available0/19 completedStage 3
Start stage Challenge
Tackle advanced reasoning and multi-step questions.
17 questions available0/17 completedProgress dashboard
Topic practice
Recommended next: Algorithms, databases and logic
01
Algorithms, databases and logic
Not startedWrite your reasoning, then compare it with the indicative marking points. Check your own exam-board specification for required coverage.
0%0/3 complete
02Programming and computer systems
Not startedOriginal application practice with worked explanations and indicative self-marking points. Not an official exam paper or a board-specific assessment.
0%0/3 complete
03Data representation
Not startedOriginal practice in data representation; indicative answers for unofficial practice.
0%0/6 complete
04Processor architecture and memory
Not startedOriginal practice in processor architecture and memory; indicative answers for unofficial practice.
0%0/6 complete
05Networks and protocols
Not startedOriginal practice in networks and protocols; indicative answers for unofficial practice.
0%0/6 complete
06Relational databases
Not startedOriginal practice in relational databases; indicative answers for unofficial practice.
0%0/6 complete
07Algorithms and complexity
Not startedOriginal practice in algorithms and complexity; indicative answers for unofficial practice.
0%0/6 complete
08Data structures and graphs
Not startedOriginal practice in data structures and graphs; indicative answers for unofficial practice.
0%0/6 complete
09Programming and reasoning
Not startedOriginal practice in programming and reasoning; indicative answers for unofficial practice.
0%0/6 complete
10Security and software quality
Not startedOriginal practice in security and software quality; indicative answers for unofficial practice.
0%0/6 complete
When independent study is not enough
Get help from a real teacher.
Tell us the subject and topic blocking your progress. We can source a suitable teacher in response to demand.