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Daily Practice · GCSE Computer Science

February 1954 5-a-day

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February 1954

28 sheets · 140 questions · GCSE

February 1954 compilationAll answers

Every sheet in February 1954

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 1954State what the term malware means.
  2. 2nd February 1954An array named temps holds 12 values. State the index of the first item and the index of the last item.
  3. 3rd February 1954An 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).
  4. 4th February 1954Which of RAM and ROM is volatile, meaning its contents are lost when the power is removed?
  5. 5th February 1954Which piece of UK legislation controls how organisations must store and use people's personal data?
  6. 6th February 1954Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
  7. 7th February 1954A 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.
  8. 8th February 1954Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
  9. 9th February 1954State the difference between HTTP and HTTPS, and give one situation where HTTPS is essential.
  10. 10th February 1954A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
  11. 11th February 1954A table called bookings has fields bookingId, customerName and eventDate. Write an SQL statement that deletes the booking with bookingId 45.
  12. 12th February 1954State one function carried out by the operating system of a computer.
  13. 13th February 1954In computational thinking, what is meant by the term 'decomposition'?
  14. 14th February 1954Given A = 1 and B = 1, state the value of A AND B.
  15. 15th February 1954Convert the denary number 39 to an 8-bit binary number, showing your working.
  16. 16th February 1954Define a peer-to-peer network.
  17. 17th February 1954State why a program written in a high level language must be translated.
  18. 18th February 1954Convert the denary number 5 to a 4-bit binary number.
  19. 19th February 1954A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
  20. 20th February 1954A 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.
  21. 21st February 1954Describe what a nested loop does when it processes a 2D array.
  22. 22nd February 1954A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
  23. 23rd February 1954State the type of program that is typically stored in ROM.
  24. 24th February 1954State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
  25. 25th February 1954A FOR loop runs: total = 0, FOR i = 1 TO 4, total = total + i, NEXT i. State the value of total after the loop finishes.
  26. 26th February 1954Give one specific way this code could be refined without changing what it does: a = 5, b = 3, c = a + b, PRINT c
  27. 27th February 1954State the typical maximum capacity of a single-layer DVD.
  28. 28th February 1954Give two reasons why network communication is divided into layers.