Daily Practice · GCSE Computer Science

October 1983 5-a-day

Every sheet in October 1983

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 1983Which piece of UK legislation controls how organisations must store and use people's personal data?
  2. 2nd October 1983Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
  3. 3rd October 1983State the correct order of the three operations used to read data from a text file.
  4. 4th October 1983Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
  5. 5th October 1983Explain the role of TCP when a large file is downloaded.
  6. 6th October 1983A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
  7. 7th October 1983A 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.
  8. 8th October 1983State one function carried out by the operating system of a computer.
  9. 9th October 1983In computational thinking, what is meant by the term 'decomposition'?
  10. 10th October 1983Given A = 1 and B = 1, state the value of A AND B.
  11. 11th October 1983Convert the denary number 200 to hexadecimal, showing your working.
  12. 12th October 1983Define a peer-to-peer network.
  13. 13th October 1983Give one advantage and one disadvantage of using a compiler.
  14. 14th October 1983Convert the denary number 5 to a 4-bit binary number.
  15. 15th October 1983A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
  16. 16th October 1983A 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.
  17. 17th October 1983Write a loop in pseudocode that outputs every element of a 1D array named names of length 6.
  18. 18th October 1983A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
  19. 19th October 1983State the type of program that is typically stored in ROM.
  20. 20th October 1983State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
  21. 21st October 1983A FOR loop runs: total = 0, FOR i = 1 TO 4, total = total + i, NEXT i. State the value of total after the loop finishes.
  22. 22nd October 1983State the pseudocode operator commonly used to join (concatenate) two strings, then show how it joins 'Rev' and 'ision' to produce 'Revision'.
  23. 23rd October 1983State the typical maximum capacity of a single-layer DVD.
  24. 24th October 1983A 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?
  25. 25th October 1983State what is meant by a syntax error.
  26. 26th October 1983Define the term 'primary key' as used in a database table.
  27. 27th October 1983What type of utility software reorganises files on a hard disk so fragmented parts are stored closer together?
  28. 28th October 1983Calculate the maximum number of comparisons required by a binary search on a sorted list of 512 items.
  29. 29th October 1983Given P = 0 and Q = 1, state the value of P OR Q.
  30. 30th October 1983Convert the 8-bit binary number 10110100 directly to hexadecimal by splitting it into nibbles.
  31. 31st October 1983A 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.