Mini practice paper: 8 questions
Mixed-difficulty questions from across the Computer Science syllabus. Tap "Show answer" after each to check yourself.
Q1 · Difficulty 1/3
A device that connects a local network to the internet and directs traffic between networks is a:
- Router
- Monitor
- Printer
- Keyboard
Show answer & explanation
✓ Answer: A — Router
A router forwards data packets between networks (e.g. a home LAN and the internet) using IP addresses.
Q2 · Difficulty 1/3
Software designed to damage or gain unauthorised access to a computer system is called:
- Malware
- Firmware
- Freeware
- Middleware
Show answer & explanation
✓ Answer: A — Malware
Malware (malicious software) includes viruses, worms, trojans, ransomware and spyware designed to harm or exploit systems.
Q3 · Difficulty 1/3
How many bits are there in one byte?
- 8
- 4
- 16
- 1024
Show answer & explanation
✓ Answer: A — 8
One byte is made up of 8 bits. A bit is a single binary digit (0 or 1).
Q4 · Difficulty 2/3
Collecting and analysing large amounts of personal data raises which main ETHICAL concern?
- Privacy and how data is used
- Screen brightness
- Keyboard ergonomics
- Cable length
Show answer & explanation
✓ Answer: A — Privacy and how data is used
Mass data collection raises ethical questions about privacy, consent and how organisations use and protect personal information.
Q5 · Difficulty 2/3
Which UK law makes unauthorised access to computer material (hacking) a criminal offence?
- The Computer Misuse Act
- The Data Protection Act
- The Copyright, Designs and Patents Act
- The Equality Act
Show answer & explanation
✓ Answer: A — The Computer Misuse Act
The Computer Misuse Act criminalises unauthorised access and modification of computer systems. The Data Protection Act governs personal data.
Q6 · Difficulty 2/3
What will be stored in total after: total = 3 + 4 * 2 (using normal operator precedence)?
- 11
- 14
- 10
- 24
Show answer & explanation
✓ Answer: A — 11
Multiplication is performed before addition, so 4 * 2 = 8, then 3 + 8 = 11.
Q7 · Difficulty 1/3
An image's resolution is measured in:
- Pixels (e.g. width × height)
- Hertz
- Decibels
- Bytes per second
Show answer & explanation
✓ Answer: A — Pixels (e.g. width × height)
Image resolution is the number of pixels, e.g. 1920 × 1080. More pixels (and higher colour depth) increase quality and file size.
Q8 · Difficulty 1/3
In a relational database, a field whose values uniquely identify each record in a table is called the:
- Primary key
- Foreign key
- Query
- Index page
Show answer & explanation
✓ Answer: A — Primary key
A primary key uniquely identifies each record. A foreign key links to a primary key in another table to form a relationship.
AQA GCSE Computer Science FAQ
What does the AQA GCSE Computer Science exam look like?
The AQA GCSE Computer Science exam is structured across 3 components. Paper 1: Approximately 1 hour 30 minutes, ~70-100 marks. Covers Topics 1-4 of the specification. Paper 2: Approximately 1 hour 30 minutes, ~70-100 marks. Covers Topics 5-8 of the specification. Paper 3: Where applicable — e.g. Combined Science, Languages. Includes synoptic and applied questions. Total exam time: ~3 hours across two or three papers.
Can I download a free AQA GCSE Computer Science past paper?
Real AQA past papers are published directly by AQA on their official website. Kramizo doesn't redistribute copyrighted past papers, but we do generate free AI-written practice papers in the exact same style — same command words, same difficulty tier, same mark conventions. Use this practice paper as warm-up, then time yourself on official past papers before exam day.
How is AQA GCSE Computer Science graded?
Grades: 9 (highest) to 1 (lowest), with U (ungraded). A grade of 4 is a standard pass; 5 is a strong pass. Kramizo's practice questions are tagged with difficulty 1-3 mapping roughly to the lower, middle, and top grade boundaries you'll encounter in the real exam.