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Daily Practice · GCSE Computer Science

October 1973 5-a-day

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October 1973

31 sheets · 155 questions · GCSE

October 1973 compilationAll answers

Every sheet in October 1973

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 1973State what the term malware means.
  2. 2nd October 1973An array named temps holds 12 values. State the index of the first item and the index of the last item.
  3. 3rd October 1973An 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 October 1973Which of RAM and ROM is volatile, meaning its contents are lost when the power is removed?
  5. 5th October 1973Which piece of UK legislation controls how organisations must store and use people's personal data?
  6. 6th October 1973Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
  7. 7th October 1973State the correct order of the three operations used to read data from a text file.
  8. 8th October 1973Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
  9. 9th October 1973State the difference between HTTP and HTTPS, and give one situation where HTTPS is essential.
  10. 10th October 1973A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
  11. 11th October 1973A 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.
  12. 12th October 1973State one function carried out by the operating system of a computer.
  13. 13th October 1973In computational thinking, what is meant by the term 'decomposition'?
  14. 14th October 1973Given A = 1 and B = 1, state the value of A AND B.
  15. 15th October 1973Convert the denary number 200 to hexadecimal, showing your working.
  16. 16th October 1973Define a peer-to-peer network.
  17. 17th October 1973State why a program written in a high level language must be translated.
  18. 18th October 1973Convert the denary number 5 to a 4-bit binary number.
  19. 19th October 1973A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
  20. 20th October 1973A 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 October 1973Describe what a nested loop does when it processes a 2D array.
  22. 22nd October 1973A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
  23. 23rd October 1973State the type of program that is typically stored in ROM.
  24. 24th October 1973State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
  25. 25th October 1973A 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 October 1973State the pseudocode operator commonly used to join (concatenate) two strings, then show how it joins 'Rev' and 'ision' to produce 'Revision'.
  27. 27th October 1973State the typical maximum capacity of a single-layer DVD.
  28. 28th October 1973Give two reasons why network communication is divided into layers.
  29. 29th October 1973State what is meant by a syntax error.
  30. 30th October 1973Define the term 'primary key' as used in a database table.
  31. 31st October 1973What type of utility software reorganises files on a hard disk so fragmented parts are stored closer together?