Daily Practice · GCSE Computer Science
June 2022 - GCSE Computer Science 5-a-day
Every GCSE Computer Science sheet published in June 2022, with answers. Systems, data representation, networks, algorithms and programming.
Every sheet in June 2022
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st June 2022A 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.
- 2nd June 2022State the difference between lossy and lossless compression.
- 3rd June 2022State the condition that must be met before a binary search can be used on an array.
- 4th June 2022A 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.
- 5th June 2022Convert the hexadecimal number FF to an 8-bit binary number.
- 6th June 2022Which piece of network hardware connects a LAN to another network such as the internet, directing data packets based on IP address?
- 7th June 2022Name the translator used for assembly language and describe how it differs from a compiler.
- 8th June 2022Convert the denary number 45 to hexadecimal.
- 9th June 2022What does the acronym CPU stand for?
- 10th June 2022State what the term malware means.
- 11th June 2022Explain what happens if a program tries to read index 5 of an array declared with 5 elements.
- 12th June 2022An 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).
- 13th June 2022Which of RAM and ROM is volatile, meaning its contents are lost when the power is removed?
- 14th June 2022Which piece of UK legislation controls how organisations must store and use people's personal data?
- 15th June 2022Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
- 16th June 2022State the correct order of the three operations used to read data from a text file.
- 17th June 2022Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
- 18th June 2022Define the term protocol.
- 19th June 2022A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
- 20th June 2022A 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.
- 21st June 2022State one function carried out by the operating system of a computer.
- 22nd June 2022In computational thinking, what is meant by the term 'decomposition'?
- 23rd June 2022Given A = 1 and B = 1, state the value of A AND B.
- 24th June 2022Convert the denary number 200 to hexadecimal, showing your working.
- 25th June 2022Define a peer-to-peer network.
- 26th June 2022Explain the purpose of a breakpoint.
- 27th June 2022Convert the denary number 5 to a 4-bit binary number.
- 28th June 2022A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
- 29th June 2022A 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.
- 30th June 2022Explain why a running maximum should be initialised to the first element of the array rather than to 0.