Daily Practice · GCSE Computer Science

Daily Practice - GCSE Computer Science

21st February 1998

5 questions · GCSE · 123 questions in this band

1
Data Representation: Number Systems
Convert the denary number 5 to a 4-bit binary number.
2
Data Representation: Images, Sound and Compression
State one example of a file format that commonly uses lossy compression.
3
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.
4
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.
5
Trace Tables and Binary/Hex Conversions
Convert the 8-bit binary number 10110100 directly to hexadecimal by splitting it into nibbles.

You are looking at an earlier sheet. Today's sheet is the one that adds a day.

Your run is kept in this browser only, and there is no account.

Any date always gives the same five questions, so a sheet can be set again or shared. All of February 1998, including the monthly compilation PDF.