Daily Practice · GCSE Computer Science

Daily Practice - GCSE Computer Science

Systems, data representation, networks, algorithms and programming.

23rd July 2022

5 questions · GCSE · 123 questions in this band

1
Programming Fundamentals
Write one line of pseudocode that converts the string stored in heightInput into a real number and stores it in a variable called height.
2
Producing Robust Programs
Explain why iterative testing, carried out throughout development, tends to make errors cheaper to fix than relying only on final testing.
3
Boolean Logic
Complete: NOT 0 = ?
4
Data Representation: Number Systems
Convert the denary number 45 to hexadecimal.
5
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.

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