Daily Practice · GCSE Computer Science

Daily Practice - GCSE Computer Science

Systems, data representation, networks, algorithms and programming.

2nd September 2026

5 questions · GCSE · 123 questions in this band

1
Programming Practice: Writing and Refining Programs
State the pseudocode operator commonly used to join (concatenate) two strings, then show how it joins 'Rev' and 'ision' to produce 'Revision'.
2
SQL and Data Handling
A table called books has fields bookId, title, authorId and copiesAvailable. Write an SQL statement that selects the title of every book with more than 2 copies available.
3
Trace Tables and Binary/Hex Conversions
Convert the hexadecimal number FF to an 8-bit binary number.
4
Systems Architecture
A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
5
Memory and Primary Storage
State how many bits are in one byte, and how many bytes are in one kibibyte (KiB).

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