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Daily Practice · GCSE Computer Science

May 1975 5-a-day

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May 1975

31 sheets · 155 questions · GCSE

May 1975 compilationAll answers

Every sheet in May 1975

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 1975Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
  2. 2nd May 1975State the layer that IP operates in, and describe its job.
  3. 3rd May 1975A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
  4. 4th May 1975A table called bookings has fields bookingId, customerName and eventDate. Write an SQL statement that deletes the booking with bookingId 45.
  5. 5th May 1975State one function carried out by the operating system of a computer.
  6. 6th May 1975In computational thinking, what is meant by the term 'decomposition'?
  7. 7th May 1975Given A = 1 and B = 1, state the value of A AND B.
  8. 8th May 1975Convert the denary number 39 to an 8-bit binary number, showing your working.
  9. 9th May 1975Define a peer-to-peer network.
  10. 10th May 1975Describe what syntax highlighting is and how it helps a programmer.
  11. 11th May 1975Convert the denary number 5 to a 4-bit binary number.
  12. 12th May 1975A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
  13. 13th May 1975A 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.
  14. 14th May 1975Trace this algorithm with data = [4, 9, 2, 9, 7] and state the final output. total = 0; count = 0; for i = 0 to 4: if data[i] > 5 then total = total + data[i] and count = count + 1; next i; print(total, count).
  15. 15th May 1975A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
  16. 16th May 1975State the type of program that is typically stored in ROM.
  17. 17th May 1975State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
  18. 18th May 1975A FOR loop runs: total = 0, FOR i = 1 TO 4, total = total + i, NEXT i. State the value of total after the loop finishes.
  19. 19th May 1975Give one specific way this code could be refined without changing what it does: a = 5, b = 3, c = a + b, PRINT c
  20. 20th May 1975State the typical maximum capacity of a single-layer DVD.
  21. 21st May 1975Explain the role of TCP when a large file is downloaded.
  22. 22nd May 1975State what is meant by a syntax error.
  23. 23rd May 1975A 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.
  24. 24th May 1975What type of utility software reorganises files on a hard disk so fragmented parts are stored closer together?
  25. 25th May 1975Calculate the maximum number of comparisons required by a binary search on a sorted list of 512 items.
  26. 26th May 1975Given P = 0 and Q = 1, state the value of P OR Q.
  27. 27th May 1975Convert the hexadecimal number FF to an 8-bit binary number.
  28. 28th May 1975A 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.
  29. 29th May 1975Give one advantage and one disadvantage of using a compiler.
  30. 30th May 1975Convert the 4-bit binary number 1101 to denary.
  31. 31st May 1975Two 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.