Daily Practice · GCSE Computer Science
December 2024 - GCSE Computer Science 5-a-day
Every GCSE Computer Science sheet published in December 2024, with answers. Systems, data representation, networks, algorithms and programming.
Every sheet in December 2024
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st December 2024State the condition that must be met before a binary search can be used on an array.
- 2nd December 2024A logic circuit has inputs C and D. C feeds into a NOT gate; the output of the NOT gate and D feed into an OR gate, giving output Y. Write the Boolean expression for Y and state its value when C = 1 and D = 0.
- 3rd December 2024Convert the hexadecimal number FF to an 8-bit binary number.
- 4th December 2024Which piece of network hardware connects a LAN to another network such as the internet, directing data packets based on IP address?
- 5th December 2024Give one advantage and one disadvantage of using a compiler.
- 6th December 2024Convert the denary number 45 to hexadecimal.
- 7th December 2024What does the acronym CPU stand for?
- 8th December 2024State what the term malware means.
- 9th December 2024Write a loop in pseudocode that outputs every element of a 1D array named names of length 6.
- 10th December 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).
- 11th December 2024Which of RAM and ROM is volatile, meaning its contents are lost when the power is removed?
- 12th December 2024Which piece of UK legislation controls how organisations must store and use people's personal data?
- 13th December 2024Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
- 14th December 2024State the correct order of the three operations used to read data from a text file.
- 15th December 2024Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
- 16th December 2024A user reads the same email on a phone and a tablet, and deleting it on one deletes it on the other. Which protocol is in use and why?
- 17th December 2024A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
- 18th December 2024A table called products has fields productId, name, price and stock. Write an SQL statement that changes the price of the product with productId 7 to 15.99.
- 19th December 2024State one function carried out by the operating system of a computer.
- 20th December 2024In computational thinking, what is meant by the term 'decomposition'?
- 21st December 2024Given A = 1 and B = 1, state the value of A AND B.
- 22nd December 2024Convert the denary number 200 to hexadecimal, showing your working.
- 23rd December 2024Define a peer-to-peer network.
- 24th December 2024Name the translator used for assembly language and describe how it differs from a compiler.
- 25th December 2024Convert the denary number 5 to a 4-bit binary number.
- 26th December 2024A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
- 27th December 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.
- 28th December 2024Explain what happens if a program tries to read index 5 of an array declared with 5 elements.
- 29th December 2024A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
- 30th December 2024State the type of program that is typically stored in ROM.
- 31st December 2024State one reason a small business might choose to use open source software instead of proprietary (closed source) software.