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Daily Practice · GCSE Computer Science

May 1958 5-a-day

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May 1958

31 sheets · 155 questions · GCSE

May 1958 compilationAll answers

Every sheet in May 1958

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 1958Define the term 'interrupt' as used to describe a signal received by a CPU.
  2. 2nd May 1958An 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.
  3. 3rd May 1958Evaluate X = NOT A AND B when A = 0 and B = 1.
  4. 4th May 1958Convert the hexadecimal number FF to an 8-bit binary number.
  5. 5th May 1958Give one advantage of a star topology compared with a mesh topology.
  6. 6th May 1958Name the translator used for assembly language and describe how it differs from a compiler.
  7. 7th May 1958Add the 8-bit binary numbers 00101101 and 00010011, giving your answer as an 8-bit binary number.
  8. 8th May 1958State the three stages of the fetch-decode-execute cycle in the order they occur.
  9. 9th May 1958State one weakness of a simple shift cipher compared to modern encryption methods used on networks.
  10. 10th May 1958Explain what happens if a program tries to read index 5 of an array declared with 5 elements.
  11. 11th May 1958Define the term 'pixel'.
  12. 12th May 1958Order these from fastest access speed to slowest: RAM, cache, registers, secondary storage.
  13. 13th May 1958Which piece of UK legislation makes it a criminal offence to gain unauthorised access to a computer system?
  14. 14th May 1958Evaluate the expression 23 DIV 4.
  15. 15th May 1958State the correct order of the three operations used to read data from a text file.
  16. 16th May 1958A 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.
  17. 17th May 1958Define the term protocol.
  18. 18th May 1958A 'quantity' field on a website must only accept whole numbers from 1 to 10. Which validation check identifies that 15 has been entered?
  19. 19th May 1958A 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.
  20. 20th May 1958A row of 8 pixels is WWWBBBWW. Use run-length encoding to encode this row as pairs of (colour, run length).
  21. 21st May 1958An 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.
  22. 22nd May 1958Complete: NOT 0 = ?
  23. 23rd May 1958Convert the denary number 200 to hexadecimal, showing your working.
  24. 24th May 1958State what LAN stands for.
  25. 25th May 1958Explain the purpose of a breakpoint.
  26. 26th May 1958An 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.
  27. 27th May 1958Which CPU register holds the address of the next instruction to be fetched?
  28. 28th May 1958Distinguish between the network security threats known as phishing and pharming.
  29. 29th May 1958Explain why a running maximum should be initialised to the first element of the array rather than to 0.
  30. 30th May 1958A row of pixels is encoded using run-length encoding as: 3W 4B 3W. State the original row of pixels it represents.
  31. 31st May 1958A photo file is 3.5 MB in size. Calculate its size in kilobytes (KB). Use 1 MB = 1000 KB.