Daily Practice · GCSE Computer Science

Daily Practice - GCSE Computer Science

Systems, data representation, networks, algorithms and programming.

12th August 2022

5 questions · GCSE · 123 questions in this band

1
Programming Practice: Writing and Refining Programs
Write the pseudocode header and body for a function called isAdult that takes one integer parameter called age and returns True if age is 18 or over.
2
SQL and Data Handling
A table called bookings has fields bookingId, customerName and eventDate. Write an SQL statement that deletes the booking with bookingId 45.
3
Trace Tables and Binary/Hex Conversions
Convert the 8-bit binary number 10110100 directly to hexadecimal by splitting it into nibbles.
4
Systems Architecture
A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
5
Memory and Primary Storage
State how many bits are in one byte, and how many bytes are in one kibibyte (KiB).

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