Daily Practice · GCSE Computer Science

May 1960 5-a-day

Every sheet in May 1960

The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.

  1. 1st May 1960Describe what a nested loop does when it processes a 2D array.
  2. 2nd May 1960An 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).
  3. 3rd May 1960Which of RAM and ROM is volatile, meaning its contents are lost when the power is removed?
  4. 4th May 1960Which piece of UK legislation controls how organisations must store and use people's personal data?
  5. 5th May 1960Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
  6. 6th May 1960A 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.
  7. 7th May 1960Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
  8. 8th May 1960Give two reasons why network communication is divided into layers.
  9. 9th May 1960A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
  10. 10th May 1960A table called bookings has fields bookingId, customerName and eventDate. Write an SQL statement that deletes the booking with bookingId 45.
  11. 11th May 1960State one function carried out by the operating system of a computer.
  12. 12th May 1960In computational thinking, what is meant by the term 'decomposition'?
  13. 13th May 1960Given A = 1 and B = 1, state the value of A AND B.
  14. 14th May 1960Convert the denary number 39 to an 8-bit binary number, showing your working.
  15. 15th May 1960Define a peer-to-peer network.
  16. 16th May 1960Explain why an interpreter is often preferred while a program is being written.
  17. 17th May 1960Convert the denary number 5 to a 4-bit binary number.
  18. 18th May 1960A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
  19. 19th May 1960A 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.
  20. 20th May 1960A 2D array grid is declared as grid[4][6]. State how many rows and columns it has and how many elements it holds in total.
  21. 21st May 1960A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
  22. 22nd May 1960State the type of program that is typically stored in ROM.
  23. 23rd May 1960State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
  24. 24th May 1960A FOR loop runs: total = 0, FOR i = 1 TO 4, total = total + i, NEXT i. State the value of total after the loop finishes.
  25. 25th May 1960Give one specific way this code could be refined without changing what it does: a = 5, b = 3, c = a + b, PRINT c
  26. 26th May 1960State the typical maximum capacity of a single-layer DVD.
  27. 27th May 1960State the layer that IP operates in, and describe its job.
  28. 28th May 1960State what is meant by a syntax error.
  29. 29th May 1960A 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.
  30. 30th May 1960What type of utility software reorganises files on a hard disk so fragmented parts are stored closer together?
  31. 31st May 1960Calculate the maximum number of comparisons required by a binary search on a sorted list of 512 items.