Daily Practice · GCSE Computer Science
January 2024 - GCSE Computer Science 5-a-day
Every GCSE Computer Science sheet published in January 2024, with answers. Systems, data representation, networks, algorithms and programming.
Every sheet in January 2024
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st January 2024State what the term malware means.
- 2nd January 2024An array named temps holds 12 values. State the index of the first item and the index of the last item.
- 3rd January 2024An uncompressed file is 6000 KB. After lossless compression it is 1500 KB. Calculate the compression ratio in the form n:1 (original size : compressed size).
- 4th January 2024Which of RAM and ROM is volatile, meaning its contents are lost when the power is removed?
- 5th January 2024Which piece of UK legislation controls how organisations must store and use people's personal data?
- 6th January 2024Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
- 7th January 2024A programmer wants any syntax error in their program to be reported before the program starts running at all. State whether a compiler or an interpreter behaves this way, and explain why.
- 8th January 2024Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
- 9th January 2024State the difference between HTTP and HTTPS, and give one situation where HTTPS is essential.
- 10th January 2024A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
- 11th January 2024A table called bookings has fields bookingId, customerName and eventDate. Write an SQL statement that deletes the booking with bookingId 45.
- 12th January 2024State one function carried out by the operating system of a computer.
- 13th January 2024In computational thinking, what is meant by the term 'decomposition'?
- 14th January 2024Given A = 1 and B = 1, state the value of A AND B.
- 15th January 2024Convert the denary number 39 to an 8-bit binary number, showing your working.
- 16th January 2024Define a peer-to-peer network.
- 17th January 2024State why a program written in a high level language must be translated.
- 18th January 2024Convert the denary number 5 to a 4-bit binary number.
- 19th January 2024A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
- 20th January 2024A simple cipher shifts every letter 2 places forward in the alphabet, wrapping around so Y becomes A and Z becomes B. Encrypt the plaintext CAT using this cipher.
- 21st January 2024Describe what a nested loop does when it processes a 2D array.
- 22nd January 2024A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
- 23rd January 2024State the type of program that is typically stored in ROM.
- 24th January 2024State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
- 25th January 2024A FOR loop runs: total = 0, FOR i = 1 TO 4, total = total + i, NEXT i. State the value of total after the loop finishes.
- 26th January 2024Give one specific way this code could be refined without changing what it does: a = 5, b = 3, c = a + b, PRINT c
- 27th January 2024State the typical maximum capacity of a single-layer DVD.
- 28th January 2024Give two reasons why network communication is divided into layers.
- 29th January 2024State what is meant by a syntax error.
- 30th January 2024A table called members has fields memberId, firstName, lastName and joinYear. Write an SQL statement that adds a new record with memberId 12, firstName 'Priya', lastName 'Shah' and joinYear 2026.
- 31st January 2024What type of utility software reorganises files on a hard disk so fragmented parts are stored closer together?