Daily Practice · GCSE Computer Science

Daily Practice - GCSE Computer Science

Systems, data representation, networks, algorithms and programming.

5th July 2023

5 questions · GCSE · 123 questions in this band

1
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.
2
Trace Tables and Binary/Hex Conversions
Convert the hexadecimal number FF to an 8-bit binary number.
3
Systems Architecture
Which CPU register holds the address of the next instruction to be fetched?
4
Memory and Primary Storage
Which of RAM and ROM is volatile, meaning its contents are lost when the power is removed?
5
Secondary Storage
State the typical maximum capacity of a single-layer DVD.

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