Daily Practice · GCSE Computer Science

Daily Practice - GCSE Computer Science

Systems, data representation, networks, algorithms and programming.

15th August 2023

5 questions · GCSE · 123 questions in this band

1
Boolean Logic
Complete: NOT 0 = ?
2
Data Representation: Number Systems
Convert the denary number 45 to hexadecimal.
3
Data Representation: Images, Sound and Compression
A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
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 August 2023, including the monthly compilation PDF.