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Daily Practice · GCSE Computer Science

November 2024 - GCSE Computer Science 5-a-day

Every GCSE Computer Science sheet published in November 2024, with answers. Systems, data representation, networks, algorithms and programming.

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November 2024

30 sheets · 150 questions · GCSE

November 2024 compilationAll answers

Every sheet in November 2024

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

  1. 1st November 2024A 2D array grid is declared as grid[4][6]. State how many rows and columns it has and how many elements it holds in total.
  2. 2nd November 2024Define the term 'pixel'.
  3. 3rd November 2024Order these from fastest access speed to slowest: RAM, cache, registers, secondary storage.
  4. 4th November 2024Which piece of UK legislation makes it a criminal offence to gain unauthorised access to a computer system?
  5. 5th November 2024Evaluate the expression 23 DIV 4.
  6. 6th November 2024A 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.
  7. 7th November 2024A 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.
  8. 8th November 2024State the layer that IP operates in, and describe its job.
  9. 9th November 2024A 'quantity' field on a website must only accept whole numbers from 1 to 10. Which validation check identifies that 15 has been entered?
  10. 10th November 2024A table called bookings has fields bookingId, customerName and eventDate. Write an SQL statement that deletes the booking with bookingId 45.
  11. 11th November 2024A row of 8 pixels is WWWBBBWW. Use run-length encoding to encode this row as pairs of (colour, run length).
  12. 12th November 2024An 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.
  13. 13th November 2024Complete: NOT 0 = ?
  14. 14th November 2024Convert the denary number 39 to an 8-bit binary number, showing your working.
  15. 15th November 2024State what LAN stands for.
  16. 16th November 2024Describe what syntax highlighting is and how it helps a programmer.
  17. 17th November 2024An 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.
  18. 18th November 2024Which CPU register holds the address of the next instruction to be fetched?
  19. 19th November 2024Distinguish between the network security threats known as phishing and pharming.
  20. 20th November 2024Trace 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).
  21. 21st November 2024A row of pixels is encoded using run-length encoding as: 3W 4B 3W. State the original row of pixels it represents.
  22. 22nd November 2024A photo file is 3.5 MB in size. Calculate its size in kilobytes (KB). Use 1 MB = 1000 KB.
  23. 23rd November 2024A streaming company records which shows each user watches and uses this to recommend similar shows. Explain one ethical concern this could raise, even if the company only uses the data to improve recommendations.
  24. 24th November 2024State the most appropriate data type for storing a person's shoe size if only whole sizes (e.g. 7, 8, 9) are allowed.
  25. 25th November 2024Give one specific way this code could be refined without changing what it does: a = 5, b = 3, c = a + b, PRINT c
  26. 26th November 2024Give one example of an optical secondary storage device.
  27. 27th November 2024Explain the role of TCP when a large file is downloaded.
  28. 28th November 2024State the term used for realistic data that a program would be expected to handle during normal use.
  29. 29th November 2024A table called members has fields memberId, firstName, lastName and joinYear. Write an SQL statement that adds a new record with memberId 12, firstName 'Priya', lastName 'Shah' and joinYear 2026.
  30. 30th November 2024State the difference between lossy and lossless compression.