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

February 1959 5-a-day

← Today's GCSE Computer Science sheet

February 1959

28 sheets · 140 questions · GCSE

February 1959 compilationAll answers

Every sheet in February 1959

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 1959An 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).
  2. 2nd February 1959Which of RAM and ROM is volatile, meaning its contents are lost when the power is removed?
  3. 3rd February 1959Which piece of UK legislation controls how organisations must store and use people's personal data?
  4. 4th February 1959Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
  5. 5th February 1959A 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.
  6. 6th February 1959Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
  7. 7th February 1959Define the term protocol.
  8. 8th February 1959A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
  9. 9th February 1959A table called bookings has fields bookingId, customerName and eventDate. Write an SQL statement that deletes the booking with bookingId 45.
  10. 10th February 1959State one function carried out by the operating system of a computer.
  11. 11th February 1959In computational thinking, what is meant by the term 'decomposition'?
  12. 12th February 1959Given A = 1 and B = 1, state the value of A AND B.
  13. 13th February 1959Convert the denary number 39 to an 8-bit binary number, showing your working.
  14. 14th February 1959Define a peer-to-peer network.
  15. 15th February 1959Explain the purpose of a breakpoint.
  16. 16th February 1959Convert the denary number 5 to a 4-bit binary number.
  17. 17th February 1959A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
  18. 18th February 1959A 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.
  19. 19th February 1959Explain why a running maximum should be initialised to the first element of the array rather than to 0.
  20. 20th February 1959A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
  21. 21st February 1959State the type of program that is typically stored in ROM.
  22. 22nd February 1959State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
  23. 23rd February 1959A FOR loop runs: total = 0, FOR i = 1 TO 4, total = total + i, NEXT i. State the value of total after the loop finishes.
  24. 24th February 1959Give one specific way this code could be refined without changing what it does: a = 5, b = 3, c = a + b, PRINT c
  25. 25th February 1959State the typical maximum capacity of a single-layer DVD.
  26. 26th February 1959Name the four layers of the TCP/IP model in order from the one closest to the user.
  27. 27th February 1959State what is meant by a syntax error.
  28. 28th February 1959A 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.