Daily Practice · GCSE Computer Science

Daily Practice - GCSE Computer Science

Systems, data representation, networks, algorithms and programming.

1st October 2024

5 questions · GCSE · 123 questions in this band

1
Network Protocols and Layers
State the difference between HTTP and HTTPS, and give one situation where HTTPS is essential.
2
Algorithms
An array called items contains [12, 45, 7, 30, 19] at indices 0 to 4. Describe how a linear search would locate the value 30, stating the number of comparisons needed.
3
Translators and Integrated Development Environments (IDEs)
Explain why an interpreter is often preferred while a program is being written.
4
1D and 2D Array Processing: Writing and Tracing Programs
Explain why a running maximum should be initialised to the first element of the array rather than to 0.
5
Programming Fundamentals
A FOR loop runs: total = 0, FOR i = 1 TO 4, total = total + i, NEXT i. State the value of total after the loop finishes.

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