Daily Practice · GCSE Computer Science

October 1963 5-a-day

Every sheet in October 1963

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

  1. 1st October 1963Convert the hexadecimal number FF to an 8-bit binary number.
  2. 2nd October 1963Which piece of network hardware connects a LAN to another network such as the internet, directing data packets based on IP address?
  3. 3rd October 1963Give one advantage and one disadvantage of using a compiler.
  4. 4th October 1963Convert the denary number 45 to hexadecimal.
  5. 5th October 1963What does the acronym CPU stand for?
  6. 6th October 1963State what the term malware means.
  7. 7th October 1963Write a loop in pseudocode that outputs every element of a 1D array named names of length 6.
  8. 8th October 1963An 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).
  9. 9th October 1963Which of RAM and ROM is volatile, meaning its contents are lost when the power is removed?
  10. 10th October 1963Which piece of UK legislation controls how organisations must store and use people's personal data?
  11. 11th October 1963Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
  12. 12th October 1963State the correct order of the three operations used to read data from a text file.
  13. 13th October 1963Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
  14. 14th October 1963A user reads the same email on a phone and a tablet, and deleting it on one deletes it on the other. Which protocol is in use and why?
  15. 15th October 1963A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
  16. 16th October 1963A table called products has fields productId, name, price and stock. Write an SQL statement that changes the price of the product with productId 7 to 15.99.
  17. 17th October 1963State one function carried out by the operating system of a computer.
  18. 18th October 1963In computational thinking, what is meant by the term 'decomposition'?
  19. 19th October 1963Given A = 1 and B = 1, state the value of A AND B.
  20. 20th October 1963Convert the denary number 200 to hexadecimal, showing your working.
  21. 21st October 1963Define a peer-to-peer network.
  22. 22nd October 1963Name the translator used for assembly language and describe how it differs from a compiler.
  23. 23rd October 1963Convert the denary number 5 to a 4-bit binary number.
  24. 24th October 1963A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
  25. 25th October 1963A 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.
  26. 26th October 1963Explain what happens if a program tries to read index 5 of an array declared with 5 elements.
  27. 27th October 1963A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
  28. 28th October 1963State the type of program that is typically stored in ROM.
  29. 29th October 1963State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
  30. 30th October 1963A FOR loop runs: total = 0, FOR i = 1 TO 4, total = total + i, NEXT i. State the value of total after the loop finishes.
  31. 31st October 1963State the pseudocode operator commonly used to join (concatenate) two strings, then show how it joins 'Rev' and 'ision' to produce 'Revision'.