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Daily Practice · GCSE Computer Science

February 1974 5-a-day

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February 1974

28 sheets · 140 questions · GCSE

February 1974 compilationAll answers

Every sheet in February 1974

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

  1. 1st February 1974A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
  2. 2nd February 1974A table called bookings has fields bookingId, customerName and eventDate. Write an SQL statement that deletes the booking with bookingId 45.
  3. 3rd February 1974State one function carried out by the operating system of a computer.
  4. 4th February 1974In computational thinking, what is meant by the term 'decomposition'?
  5. 5th February 1974Given A = 1 and B = 1, state the value of A AND B.
  6. 6th February 1974Convert the denary number 39 to an 8-bit binary number, showing your working.
  7. 7th February 1974Define a peer-to-peer network.
  8. 8th February 1974A program compiles and runs but always outputs an average that is too small. State the type of error and explain why the translator did not report it.
  9. 9th February 1974Convert the denary number 5 to a 4-bit binary number.
  10. 10th February 1974A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
  11. 11th February 1974A 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.
  12. 12th February 1974An array named temps holds 12 values. State the index of the first item and the index of the last item.
  13. 13th February 1974A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
  14. 14th February 1974State the type of program that is typically stored in ROM.
  15. 15th February 1974State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
  16. 16th February 1974A FOR loop runs: total = 0, FOR i = 1 TO 4, total = total + i, NEXT i. State the value of total after the loop finishes.
  17. 17th February 1974Give one specific way this code could be refined without changing what it does: a = 5, b = 3, c = a + b, PRINT c
  18. 18th February 1974State the typical maximum capacity of a single-layer DVD.
  19. 19th February 1974State the difference between HTTP and HTTPS, and give one situation where HTTPS is essential.
  20. 20th February 1974State what is meant by a syntax error.
  21. 21st February 1974A 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.
  22. 22nd February 1974What type of utility software reorganises files on a hard disk so fragmented parts are stored closer together?
  23. 23rd February 1974Calculate the maximum number of comparisons required by a binary search on a sorted list of 512 items.
  24. 24th February 1974Given P = 0 and Q = 1, state the value of P OR Q.
  25. 25th February 1974Convert the hexadecimal number FF to an 8-bit binary number.
  26. 26th February 1974A 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.
  27. 27th February 1974State why a program written in a high level language must be translated.
  28. 28th February 1974Convert the 4-bit binary number 1101 to denary.