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Daily Practice · GCSE Computer Science

May 1963 5-a-day

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May 1963

31 sheets · 155 questions · GCSE

May 1963 compilationAll answers

Every sheet in May 1963

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 1963Evaluate X = NOT A AND B when A = 0 and B = 1.
  2. 2nd May 1963Convert the hexadecimal number FF to an 8-bit binary number.
  3. 3rd May 1963Give one advantage of a star topology compared with a mesh topology.
  4. 4th May 1963Describe what syntax highlighting is and how it helps a programmer.
  5. 5th May 1963Add the 8-bit binary numbers 00101101 and 00010011, giving your answer as an 8-bit binary number.
  6. 6th May 1963State the three stages of the fetch-decode-execute cycle in the order they occur.
  7. 7th May 1963State one weakness of a simple shift cipher compared to modern encryption methods used on networks.
  8. 8th May 1963Trace 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).
  9. 9th May 1963Define the term 'pixel'.
  10. 10th May 1963Order these from fastest access speed to slowest: RAM, cache, registers, secondary storage.
  11. 11th May 1963Which piece of UK legislation makes it a criminal offence to gain unauthorised access to a computer system?
  12. 12th May 1963Evaluate the expression 23 DIV 4.
  13. 13th May 1963State the correct order of the three operations used to read data from a text file.
  14. 14th May 1963A 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.
  15. 15th May 1963Explain the role of TCP when a large file is downloaded.
  16. 16th May 1963A 'quantity' field on a website must only accept whole numbers from 1 to 10. Which validation check identifies that 15 has been entered?
  17. 17th May 1963A table called products has fields productId, name, price and stock. Write an SQL statement that changes the price of the product with productId 7 to 15.99.
  18. 18th May 1963A row of 8 pixels is WWWBBBWW. Use run-length encoding to encode this row as pairs of (colour, run length).
  19. 19th May 1963An 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.
  20. 20th May 1963Complete: NOT 0 = ?
  21. 21st May 1963Convert the denary number 200 to hexadecimal, showing your working.
  22. 22nd May 1963State what LAN stands for.
  23. 23rd May 1963Give one advantage and one disadvantage of using a compiler.
  24. 24th May 1963An 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.
  25. 25th May 1963Which CPU register holds the address of the next instruction to be fetched?
  26. 26th May 1963Distinguish between the network security threats known as phishing and pharming.
  27. 27th May 1963Write a loop in pseudocode that outputs every element of a 1D array named names of length 6.
  28. 28th May 1963A row of pixels is encoded using run-length encoding as: 3W 4B 3W. State the original row of pixels it represents.
  29. 29th May 1963A photo file is 3.5 MB in size. Calculate its size in kilobytes (KB). Use 1 MB = 1000 KB.
  30. 30th May 1963A 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.
  31. 31st May 1963State the most appropriate data type for storing a person's shoe size if only whole sizes (e.g. 7, 8, 9) are allowed.