Revision Library
/Subjects/Computer Science/Daily Practice
Daily Practice · GCSE Computer Science

May 1980 5-a-day

← Today's GCSE Computer Science sheet

May 1980

31 sheets · 155 questions · GCSE

May 1980 compilationAll answers

Every sheet in May 1980

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 1980A table called bookings has fields bookingId, customerName and eventDate. Write an SQL statement that deletes the booking with bookingId 45.
  2. 2nd May 1980State one function carried out by the operating system of a computer.
  3. 3rd May 1980In computational thinking, what is meant by the term 'decomposition'?
  4. 4th May 1980Given A = 1 and B = 1, state the value of A AND B.
  5. 5th May 1980Convert the denary number 39 to an 8-bit binary number, showing your working.
  6. 6th May 1980Define a peer-to-peer network.
  7. 7th May 1980State why a program written in a high level language must be translated.
  8. 8th May 1980Convert the denary number 5 to a 4-bit binary number.
  9. 9th May 1980A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
  10. 10th May 1980A 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.
  11. 11th May 1980Describe what a nested loop does when it processes a 2D array.
  12. 12th May 1980A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
  13. 13th May 1980State the type of program that is typically stored in ROM.
  14. 14th May 1980State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
  15. 15th May 1980A FOR loop runs: total = 0, FOR i = 1 TO 4, total = total + i, NEXT i. State the value of total after the loop finishes.
  16. 16th May 1980Give one specific way this code could be refined without changing what it does: a = 5, b = 3, c = a + b, PRINT c
  17. 17th May 1980State the typical maximum capacity of a single-layer DVD.
  18. 18th May 1980Give two reasons why network communication is divided into layers.
  19. 19th May 1980State what is meant by a syntax error.
  20. 20th May 1980A 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.
  21. 21st May 1980What type of utility software reorganises files on a hard disk so fragmented parts are stored closer together?
  22. 22nd May 1980Calculate the maximum number of comparisons required by a binary search on a sorted list of 512 items.
  23. 23rd May 1980Given P = 0 and Q = 1, state the value of P OR Q.
  24. 24th May 1980Convert the hexadecimal number FF to an 8-bit binary number.
  25. 25th May 1980A network administrator is connecting 10 computers in a server room. Calculate the number of cables needed for a full mesh topology, and state the number needed for a star topology with one central switch.
  26. 26th May 1980Explain why an interpreter is often preferred while a program is being written.
  27. 27th May 1980Convert the 4-bit binary number 1101 to denary.
  28. 28th May 1980Two CPUs are compared for a task optimised for multiple cores: CPU A has 2 cores at 4.2 GHz; CPU B has 6 cores at 3.0 GHz. Explain which CPU is likely to perform better for this task.
  29. 29th May 1980State why an organisation might employ penetration testers to test its network.
  30. 30th May 1980A 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.
  31. 31st May 1980State one example of a file format that commonly uses lossy compression.