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Daily Practice · GCSE Computer Science

May 1992 - GCSE Computer Science 5-a-day

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May 1992

31 sheets · 155 questions · GCSE

May 1992 compilationAll answers

Every sheet in May 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 May 1992Describe two negative consequences of throwing away old computer hardware instead of recycling it.
  2. 2nd May 1992Write a function called isEven that takes one integer parameter, num, and returns True if num is even and False otherwise.
  3. 3rd May 1992State the key difference between a procedure and a function.
  4. 4th May 1992A company backs up its files onto magnetic tape cartridges, each with a capacity of 3 TB. The company needs to back up 20 TB of data. Calculate the minimum number of cartridges needed.
  5. 5th May 1992State the difference between HTTP and HTTPS, and give one situation where HTTPS is essential.
  6. 6th May 1992Explain why iterative testing, carried out throughout development, tends to make errors cheaper to fix than relying only on final testing.
  7. 7th May 1992Give one advantage of a relational database over a flat-file database.
  8. 8th May 1992Define the term 'interrupt' as used to describe a signal received by a CPU.
  9. 9th May 1992An array called items contains [12, 45, 7, 30, 19] at indices 0 to 4. Describe how a linear search would locate the value 30, stating the number of comparisons needed.
  10. 10th May 1992Evaluate X = NOT A AND B when A = 0 and B = 1.
  11. 11th May 1992Convert the hexadecimal number 3F to denary.
  12. 12th May 1992Give one advantage of a star topology compared with a mesh topology.
  13. 13th May 1992State why a program written in a high level language must be translated.
  14. 14th May 1992Add the 8-bit binary numbers 00101101 and 00010011, giving your answer as an 8-bit binary number.
  15. 15th May 1992State the three stages of the fetch-decode-execute cycle in the order they occur.
  16. 16th May 1992State one weakness of a simple shift cipher compared to modern encryption methods used on networks.
  17. 17th May 1992Describe what a nested loop does when it processes a 2D array.
  18. 18th May 1992Define the term 'pixel'.
  19. 19th May 1992Order these from fastest access speed to slowest: RAM, cache, registers, secondary storage.
  20. 20th May 1992Which piece of UK legislation makes it a criminal offence to gain unauthorised access to a computer system?
  21. 21st May 1992Evaluate the expression 23 DIV 4.
  22. 22nd May 1992A programmer wants any syntax error in their program to be reported before the program starts running at all. State whether a compiler or an interpreter behaves this way, and explain why.
  23. 23rd May 1992A 1 TB hard disk drive costs 40 pounds. A 500 GB solid-state drive costs 60 pounds. Calculate the cost per gigabyte of each device, and state which is cheaper per GB. Use 1 TB = 1000 GB.
  24. 24th May 1992Give two reasons why network communication is divided into layers.
  25. 25th May 1992A 'quantity' field on a website must only accept whole numbers from 1 to 10. Which validation check identifies that 15 has been entered?
  26. 26th May 1992A table called bookings has fields bookingId, customerName and eventDate. Write an SQL statement that deletes the booking with bookingId 45.
  27. 27th May 1992A row of 8 pixels is WWWBBBWW. Use run-length encoding to encode this row as pairs of (colour, run length).
  28. 28th May 1992An array contains [9, 2, 6], to be sorted using insertion sort. Show the state of the array after each new element has been inserted into its correct position.
  29. 29th May 1992Complete: NOT 0 = ?
  30. 30th May 1992Convert the denary number 39 to an 8-bit binary number, showing your working.
  31. 31st May 1992State what LAN stands for.