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Daily Practice · GCSE Computer Science

February 1996 - GCSE Computer Science 5-a-day

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February 1996

29 sheets · 145 questions · GCSE

February 1996 compilationAll answers

Every sheet in February 1996

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

  1. 1st February 1996A 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.
  2. 2nd February 1996State the layer that IP operates in, and describe its job.
  3. 3rd February 1996Explain why iterative testing, carried out throughout development, tends to make errors cheaper to fix than relying only on final testing.
  4. 4th February 1996Give one advantage of a relational database over a flat-file database.
  5. 5th February 1996Define the term 'interrupt' as used to describe a signal received by a CPU.
  6. 6th February 1996An 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.
  7. 7th February 1996Evaluate X = NOT A AND B when A = 0 and B = 1.
  8. 8th February 1996Convert the hexadecimal number 3F to denary.
  9. 9th February 1996Give one advantage of a star topology compared with a mesh topology.
  10. 10th February 1996Describe what syntax highlighting is and how it helps a programmer.
  11. 11th February 1996Add the 8-bit binary numbers 00101101 and 00010011, giving your answer as an 8-bit binary number.
  12. 12th February 1996State the three stages of the fetch-decode-execute cycle in the order they occur.
  13. 13th February 1996State one weakness of a simple shift cipher compared to modern encryption methods used on networks.
  14. 14th February 1996Trace this algorithm with data = [4, 9, 2, 9, 7] and state the final output. total = 0; count = 0; for i = 0 to 4: if data[i] > 5 then total = total + data[i] and count = count + 1; next i; print(total, count).
  15. 15th February 1996Define the term 'pixel'.
  16. 16th February 1996Order these from fastest access speed to slowest: RAM, cache, registers, secondary storage.
  17. 17th February 1996Which piece of UK legislation makes it a criminal offence to gain unauthorised access to a computer system?
  18. 18th February 1996Evaluate the expression 23 DIV 4.
  19. 19th February 1996A 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.
  20. 20th February 1996A 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.
  21. 21st February 1996Explain the role of TCP when a large file is downloaded.
  22. 22nd February 1996A 'quantity' field on a website must only accept whole numbers from 1 to 10. Which validation check identifies that 15 has been entered?
  23. 23rd February 1996A table called bookings has fields bookingId, customerName and eventDate. Write an SQL statement that deletes the booking with bookingId 45.
  24. 24th February 1996A row of 8 pixels is WWWBBBWW. Use run-length encoding to encode this row as pairs of (colour, run length).
  25. 25th February 1996An 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.
  26. 26th February 1996Complete: NOT 0 = ?
  27. 27th February 1996Convert the denary number 39 to an 8-bit binary number, showing your working.
  28. 28th February 1996State what LAN stands for.
  29. 29th February 1996Give one advantage and one disadvantage of using a compiler.