Daily Practice · GCSE Computer Science

Daily Practice - GCSE Computer Science

Systems, data representation, networks, algorithms and programming.

21st November 2025

5 questions · GCSE · 123 questions in this band

1
Programming Practice: Writing and Refining Programs
A 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.
2
SQL and Data Handling
Give one advantage of a relational database over a flat-file database.
3
Trace Tables and Binary/Hex Conversions
Convert the denary number 200 to hexadecimal, showing your working.
4
Systems Architecture
State the three stages of the fetch-decode-execute cycle in the order they occur.
5
Memory and Primary Storage
A photo file is 3.5 MB in size. Calculate its size in kilobytes (KB). Use 1 MB = 1000 KB.

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