Daily Practice · GCSE Computer Science

Daily Practice - GCSE Computer Science

Systems, data representation, networks, algorithms and programming.

14th January 2024

5 questions · GCSE · 123 questions in this band

1
Boolean Logic
Given A = 1 and B = 1, state the value of A AND B.
2
Data Representation: Number Systems
Convert the 4-bit binary number 1101 to denary.
3
Data Representation: Images, Sound and Compression
An image uses a colour depth of 2 bits per pixel. Calculate the maximum number of different colours it can represent.
4
Programming Practice: Writing and Refining Programs
State the correct order of the three operations used to read data from a text file.
5
SQL and Data Handling
State what a foreign key is used for.

You are looking at an earlier sheet. Today's sheet is the one that adds a day.

Your run is kept in this browser only, and there is no account.

Every sheet is deterministic: the same date always regenerates the same five questions. All of January 2024, including the monthly compilation PDF.