Q1 · Difficulty 1/3
A single binary digit is a:
- byte
- nibble
- word
- bit
Show answer & explanation
✓ Answer: D — bit
A bit is one binary digit.
WJEC · GCSE · Computer Science
Free WJEC GCSE Computer Science
Practice Paper
8 mixed-difficulty practice questions in the style of real WJEC GCSE papers — answers, mark-scheme-style explanations, and the official exam structure all on one page.
Take a Mini Mock →What the real WJEC GCSE Computer Science paper looks like
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.
Grading: Grades: 9 (highest) to 1 (lowest), with U (ungraded). A grade of 4 is a standard pass; 5 is a strong pass.
Grading: Grades: 9 (highest) to 1 (lowest), with U (ungraded). A grade of 4 is a standard pass; 5 is a strong pass.
Mini practice paper: 8 questions
Mixed-difficulty questions from across the Computer Science syllabus. Tap "Show answer" after each to check yourself.
Q2 · Difficulty 1/3
The 'brain' of the computer processing instructions is the:
- CPU
- monitor
- keyboard
- printer
Show answer & explanation
✓ Answer: A — CPU
The CPU processes instructions.
Q3 · Difficulty 1/3
Two or more connected computers form a:
- network
- database
- compiler
- loop
Show answer & explanation
✓ Answer: A — network
A network connects computers.
Q4 · Difficulty 2/3
A diagram using standard shapes for an algorithm is a:
- flowchart
- spreadsheet
- network map
- database
Show answer & explanation
✓ Answer: A — flowchart
Flowcharts represent algorithms.
Q5 · Difficulty 2/3
Characters are represented in binary using codes such as:
- RGB
- JPEG
- MP3
- ASCII / Unicode
Show answer & explanation
✓ Answer: D — ASCII / Unicode
ASCII and Unicode encode characters.
Q6 · Difficulty 2/3
A search that checks each item in turn is a ____ search.
- linear
- binary
- bubble
- merge
Show answer & explanation
✓ Answer: A — linear
Linear search checks items one by one.
Q7 · Difficulty 2/3
A structure holding many values under one name is an:
- array
- integer
- boolean
- operator
Show answer & explanation
✓ Answer: A — array
An array stores multiple values.
Q8 · Difficulty 2/3
The smallest element of a bitmap image is a:
- vector
- sample
- pixel
- byte
Show answer & explanation
✓ Answer: C — pixel
Pixels make up bitmap images.
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WJEC GCSE Computer Science FAQ
What does the WJEC GCSE Computer Science exam look like?
The WJEC 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 WJEC GCSE Computer Science past paper?
Real WJEC past papers are published directly by WJEC 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 WJEC 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.