Daily Practice · GCSE Computer Science

July 1982 5-a-day

Every sheet in July 1982

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

  1. 1st July 1982Which of RAM and ROM is volatile, meaning its contents are lost when the power is removed?
  2. 2nd July 1982Which piece of UK legislation controls how organisations must store and use people's personal data?
  3. 3rd July 1982Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
  4. 4th July 1982State the correct order of the three operations used to read data from a text file.
  5. 5th July 1982Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
  6. 6th July 1982State the difference between HTTP and HTTPS, and give one situation where HTTPS is essential.
  7. 7th July 1982A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
  8. 8th July 1982A 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.
  9. 9th July 1982State one function carried out by the operating system of a computer.
  10. 10th July 1982In computational thinking, what is meant by the term 'decomposition'?
  11. 11th July 1982Given A = 1 and B = 1, state the value of A AND B.
  12. 12th July 1982Convert the denary number 200 to hexadecimal, showing your working.
  13. 13th July 1982Define a peer-to-peer network.
  14. 14th July 1982State why a program written in a high level language must be translated.
  15. 15th July 1982Convert the denary number 5 to a 4-bit binary number.
  16. 16th July 1982A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
  17. 17th July 1982A 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.
  18. 18th July 1982Describe what a nested loop does when it processes a 2D array.
  19. 19th July 1982A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
  20. 20th July 1982State the type of program that is typically stored in ROM.
  21. 21st July 1982State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
  22. 22nd July 1982A FOR loop runs: total = 0, FOR i = 1 TO 4, total = total + i, NEXT i. State the value of total after the loop finishes.
  23. 23rd July 1982State the pseudocode operator commonly used to join (concatenate) two strings, then show how it joins 'Rev' and 'ision' to produce 'Revision'.
  24. 24th July 1982State the typical maximum capacity of a single-layer DVD.
  25. 25th July 1982Give two reasons why network communication is divided into layers.
  26. 26th July 1982State what is meant by a syntax error.
  27. 27th July 1982Define the term 'primary key' as used in a database table.
  28. 28th July 1982What type of utility software reorganises files on a hard disk so fragmented parts are stored closer together?
  29. 29th July 1982Calculate the maximum number of comparisons required by a binary search on a sorted list of 512 items.
  30. 30th July 1982Given P = 0 and Q = 1, state the value of P OR Q.
  31. 31st July 1982Convert the 8-bit binary number 10110100 directly to hexadecimal by splitting it into nibbles.