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Daily Practice · GCSE Computer Science

March 1992 5-a-day

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March 1992

31 sheets · 155 questions · GCSE

March 1992 compilationAll answers

Every sheet in March 1992

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

  1. 1st March 1992State what the term malware means.
  2. 2nd March 1992Write a loop in pseudocode that outputs every element of a 1D array named names of length 6.
  3. 3rd March 1992An 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 March 1992Which of RAM and ROM is volatile, meaning its contents are lost when the power is removed?
  5. 5th March 1992Which piece of UK legislation controls how organisations must store and use people's personal data?
  6. 6th March 1992Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
  7. 7th March 1992A function is defined as: FUNCTION addTax(price) RETURN price x 1.2 ENDFUNCTION. Another line of code runs: total <- addTax(20) + addTax(30). Trace both function calls and state the final value of total.
  8. 8th March 1992Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
  9. 9th March 1992A 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?
  10. 10th March 1992A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
  11. 11th March 1992A table called staff has fields staffId, name, department and salary, storing these records: staffId | name | department | salary, 1 | Ben | Sales | 24000, 2 | Chloe | IT | 31000, 3 | Dan | Sales | 27000. State which staffId(s) would be returned by: SELECT staffId FROM staff WHERE department = 'Sales' AND salary > 25000;
  12. 12th March 1992State one function carried out by the operating system of a computer.
  13. 13th March 1992In computational thinking, what is meant by the term 'decomposition'?
  14. 14th March 1992Given A = 1 and B = 1, state the value of A AND B.
  15. 15th March 1992Convert the 8-bit binary number 01011010 to denary.
  16. 16th March 1992Define a peer-to-peer network.
  17. 17th March 1992Name the translator used for assembly language and describe how it differs from a compiler.
  18. 18th March 1992Convert the denary number 5 to a 4-bit binary number.
  19. 19th March 1992A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
  20. 20th March 1992A 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 March 1992Explain what happens if a program tries to read index 5 of an array declared with 5 elements.
  22. 22nd March 1992A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
  23. 23rd March 1992State the type of program that is typically stored in ROM.
  24. 24th March 1992State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
  25. 25th March 1992A 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 March 1992Write the pseudocode header and body for a function called isAdult that takes one integer parameter called age and returns True if age is 18 or over.
  27. 27th March 1992State the typical maximum capacity of a single-layer DVD.
  28. 28th March 1992Define the term protocol.
  29. 29th March 1992State what is meant by a syntax error.
  30. 30th March 1992State what a foreign key is used for.
  31. 31st March 1992What type of utility software reorganises files on a hard disk so fragmented parts are stored closer together?