Daily Practice · GCSE Computer Science
November 2025 - GCSE Computer Science 5-a-day
Every GCSE Computer Science sheet published in November 2025, with answers. Systems, data representation, networks, algorithms and programming.
Every sheet in November 2025
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st November 2025State the most appropriate data type for storing a person's shoe size if only whole sizes (e.g. 7, 8, 9) are allowed.
- 2nd November 2025State the pseudocode operator commonly used to join (concatenate) two strings, then show how it joins 'Rev' and 'ision' to produce 'Revision'.
- 3rd November 2025Give one example of an optical secondary storage device.
- 4th November 2025State the difference between HTTP and HTTPS, and give one situation where HTTPS is essential.
- 5th November 2025State the term used for realistic data that a program would be expected to handle during normal use.
- 6th November 2025Define the term 'primary key' as used in a database table.
- 7th November 2025State the difference between lossy and lossless compression.
- 8th November 2025State the condition that must be met before a binary search can be used on an array.
- 9th November 2025A logic circuit has inputs C and D. C feeds into a NOT gate; the output of the NOT gate and D feed into an OR gate, giving output Y. Write the Boolean expression for Y and state its value when C = 1 and D = 0.
- 10th November 2025Convert the 8-bit binary number 10110100 directly to hexadecimal by splitting it into nibbles.
- 11th November 2025Which piece of network hardware connects a LAN to another network such as the internet, directing data packets based on IP address?
- 12th November 2025State why a program written in a high level language must be translated.
- 13th November 2025Convert the denary number 45 to hexadecimal.
- 14th November 2025What does the acronym CPU stand for?
- 15th November 2025State what the term malware means.
- 16th November 2025Describe what a nested loop does when it processes a 2D array.
- 17th November 2025An uncompressed file is 6000 KB. After lossless compression it is 1500 KB. Calculate the compression ratio in the form n:1 (original size : compressed size).
- 18th November 2025Which of RAM and ROM is volatile, meaning its contents are lost when the power is removed?
- 19th November 2025Which piece of UK legislation controls how organisations must store and use people's personal data?
- 20th November 2025Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
- 21st November 2025A function is defined as: FUNCTION addTax(price) RETURN price x 1.2 ENDFUNCTION. Another line of code runs: total <- addTax(20) + addTax(30). Trace both function calls and state the final value of total.
- 22nd November 2025Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
- 23rd November 2025Give two reasons why network communication is divided into layers.
- 24th November 2025A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
- 25th November 2025A table called staff has fields staffId, name, department and salary, storing these records: staffId | name | department | salary, 1 | Ben | Sales | 24000, 2 | Chloe | IT | 31000, 3 | Dan | Sales | 27000. State which staffId(s) would be returned by: SELECT staffId FROM staff WHERE department = 'Sales' AND salary > 25000;
- 26th November 2025State one function carried out by the operating system of a computer.
- 27th November 2025In computational thinking, what is meant by the term 'decomposition'?
- 28th November 2025Given A = 1 and B = 1, state the value of A AND B.
- 29th November 2025Convert the 8-bit binary number 01011010 to denary.
- 30th November 2025Define a peer-to-peer network.