Daily Practice · GCSE Computer Science
October 2022 - GCSE Computer Science 5-a-day
Every GCSE Computer Science sheet published in October 2022, with answers. Systems, data representation, networks, algorithms and programming.
Every sheet in October 2022
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st October 2022What does the acronym CPU stand for?
- 2nd October 2022State what the term malware means.
- 3rd October 2022Write a loop in pseudocode that outputs every element of a 1D array named names of length 6.
- 4th October 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).
- 5th October 2022Which of RAM and ROM is volatile, meaning its contents are lost when the power is removed?
- 6th October 2022Which piece of UK legislation controls how organisations must store and use people's personal data?
- 7th October 2022Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
- 8th October 2022A 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.
- 9th October 2022Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
- 10th October 2022A 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?
- 11th October 2022A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
- 12th October 2022A table called bookings has fields bookingId, customerName and eventDate. Write an SQL statement that deletes the booking with bookingId 45.
- 13th October 2022State one function carried out by the operating system of a computer.
- 14th October 2022In computational thinking, what is meant by the term 'decomposition'?
- 15th October 2022Given A = 1 and B = 1, state the value of A AND B.
- 16th October 2022Convert the denary number 39 to an 8-bit binary number, showing your working.
- 17th October 2022Define a peer-to-peer network.
- 18th October 2022Name the translator used for assembly language and describe how it differs from a compiler.
- 19th October 2022Convert the denary number 5 to a 4-bit binary number.
- 20th October 2022A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
- 21st October 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.
- 22nd October 2022Explain what happens if a program tries to read index 5 of an array declared with 5 elements.
- 23rd October 2022A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
- 24th October 2022State the type of program that is typically stored in ROM.
- 25th October 2022State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
- 26th October 2022A FOR loop runs: total = 0, FOR i = 1 TO 4, total = total + i, NEXT i. State the value of total after the loop finishes.
- 27th October 2022Give one specific way this code could be refined without changing what it does: a = 5, b = 3, c = a + b, PRINT c
- 28th October 2022State the typical maximum capacity of a single-layer DVD.
- 29th October 2022Define the term protocol.
- 30th October 2022State what is meant by a syntax error.
- 31st October 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.