Daily Practice · GCSE Computer Science

Daily Practice - GCSE Computer Science

Systems, data representation, networks, algorithms and programming.

6th February 2023

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
A programmer wants any syntax error in their program to be reported before the program starts running at all. State whether a compiler or an interpreter behaves this way, and explain why.
5
SQL and Data Handling
Define the term 'primary key' as used in a database table.

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