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Daily Practice · GCSE Computer Science

August 1954 5-a-day

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August 1954

31 sheets · 155 questions · GCSE

August 1954 compilationAll answers

Every sheet in August 1954

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

  1. 1st August 1954A 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.
  2. 2nd August 1954Define the term 'interrupt' as used to describe a signal received by a CPU.
  3. 3rd August 1954An 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.
  4. 4th August 1954Evaluate X = NOT A AND B when A = 0 and B = 1.
  5. 5th August 1954Convert the hexadecimal number FF to an 8-bit binary number.
  6. 6th August 1954Give one advantage of a star topology compared with a mesh topology.
  7. 7th August 1954Describe what syntax highlighting is and how it helps a programmer.
  8. 8th August 1954Add the 8-bit binary numbers 00101101 and 00010011, giving your answer as an 8-bit binary number.
  9. 9th August 1954State the three stages of the fetch-decode-execute cycle in the order they occur.
  10. 10th August 1954State one weakness of a simple shift cipher compared to modern encryption methods used on networks.
  11. 11th August 1954Trace 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).
  12. 12th August 1954Define the term 'pixel'.
  13. 13th August 1954Order these from fastest access speed to slowest: RAM, cache, registers, secondary storage.
  14. 14th August 1954Which piece of UK legislation makes it a criminal offence to gain unauthorised access to a computer system?
  15. 15th August 1954Evaluate the expression 23 DIV 4.
  16. 16th August 1954State the correct order of the three operations used to read data from a text file.
  17. 17th August 1954A 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.
  18. 18th August 1954Explain the role of TCP when a large file is downloaded.
  19. 19th August 1954A 'quantity' field on a website must only accept whole numbers from 1 to 10. Which validation check identifies that 15 has been entered?
  20. 20th August 1954A 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.
  21. 21st August 1954A row of 8 pixels is WWWBBBWW. Use run-length encoding to encode this row as pairs of (colour, run length).
  22. 22nd August 1954An 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.
  23. 23rd August 1954Complete: NOT 0 = ?
  24. 24th August 1954Convert the denary number 200 to hexadecimal, showing your working.
  25. 25th August 1954State what LAN stands for.
  26. 26th August 1954Give one advantage and one disadvantage of using a compiler.
  27. 27th August 1954An 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.
  28. 28th August 1954Which CPU register holds the address of the next instruction to be fetched?
  29. 29th August 1954Distinguish between the network security threats known as phishing and pharming.
  30. 30th August 1954Write a loop in pseudocode that outputs every element of a 1D array named names of length 6.
  31. 31st August 1954A row of pixels is encoded using run-length encoding as: 3W 4B 3W. State the original row of pixels it represents.