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Daily Practice · GCSE Computer Science

May 1997 - GCSE Computer Science 5-a-day

← Today's GCSE Computer Science sheet

May 1997

31 sheets · 155 questions · GCSE

May 1997 compilationAll answers

Every sheet in May 1997

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 1997State the key difference between a procedure and a function.
  2. 2nd May 1997A 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.
  3. 3rd May 1997Define the term protocol.
  4. 4th May 1997Explain why iterative testing, carried out throughout development, tends to make errors cheaper to fix than relying only on final testing.
  5. 5th May 1997Give one advantage of a relational database over a flat-file database.
  6. 6th May 1997Define the term 'interrupt' as used to describe a signal received by a CPU.
  7. 7th May 1997An 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.
  8. 8th May 1997Evaluate X = NOT A AND B when A = 0 and B = 1.
  9. 9th May 1997Convert the hexadecimal number 3F to denary.
  10. 10th May 1997Give one advantage of a star topology compared with a mesh topology.
  11. 11th May 1997Explain the purpose of a breakpoint.
  12. 12th May 1997Add the 8-bit binary numbers 00101101 and 00010011, giving your answer as an 8-bit binary number.
  13. 13th May 1997State the three stages of the fetch-decode-execute cycle in the order they occur.
  14. 14th May 1997State one weakness of a simple shift cipher compared to modern encryption methods used on networks.
  15. 15th May 1997Explain why a running maximum should be initialised to the first element of the array rather than to 0.
  16. 16th May 1997Define the term 'pixel'.
  17. 17th May 1997Order these from fastest access speed to slowest: RAM, cache, registers, secondary storage.
  18. 18th May 1997Which piece of UK legislation makes it a criminal offence to gain unauthorised access to a computer system?
  19. 19th May 1997Evaluate the expression 23 DIV 4.
  20. 20th May 1997A 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.
  21. 21st May 1997A 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.
  22. 22nd May 1997Name the four layers of the TCP/IP model in order from the one closest to the user.
  23. 23rd May 1997A 'quantity' field on a website must only accept whole numbers from 1 to 10. Which validation check identifies that 15 has been entered?
  24. 24th May 1997A table called bookings has fields bookingId, customerName and eventDate. Write an SQL statement that deletes the booking with bookingId 45.
  25. 25th May 1997A row of 8 pixels is WWWBBBWW. Use run-length encoding to encode this row as pairs of (colour, run length).
  26. 26th May 1997An 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.
  27. 27th May 1997Complete: NOT 0 = ?
  28. 28th May 1997Convert the denary number 39 to an 8-bit binary number, showing your working.
  29. 29th May 1997State what LAN stands for.
  30. 30th May 1997A program compiles and runs but always outputs an average that is too small. State the type of error and explain why the translator did not report it.
  31. 31st May 1997An 8-bit register stores the value 01100000 (denary 96). State the resulting 8-bit binary value after a left shift by 1 place, and state whether an overflow occurs.