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Daily Practice · GCSE Computer Science

March 1976 5-a-day

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March 1976

31 sheets · 155 questions · GCSE

March 1976 compilationAll answers

Every sheet in March 1976

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

  1. 1st March 1976A user reads the same email on a phone and a tablet, and deleting it on one deletes it on the other. Which protocol is in use and why?
  2. 2nd March 1976A 'quantity' field on a website must only accept whole numbers from 1 to 10. Which validation check identifies that 15 has been entered?
  3. 3rd March 1976A table called bookings has fields bookingId, customerName and eventDate. Write an SQL statement that deletes the booking with bookingId 45.
  4. 4th March 1976A row of 8 pixels is WWWBBBWW. Use run-length encoding to encode this row as pairs of (colour, run length).
  5. 5th March 1976An 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.
  6. 6th March 1976Complete: NOT 0 = ?
  7. 7th March 1976Convert the denary number 39 to an 8-bit binary number, showing your working.
  8. 8th March 1976State what LAN stands for.
  9. 9th March 1976Name the translator used for assembly language and describe how it differs from a compiler.
  10. 10th March 1976An 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.
  11. 11th March 1976Which CPU register holds the address of the next instruction to be fetched?
  12. 12th March 1976Distinguish between the network security threats known as phishing and pharming.
  13. 13th March 1976Explain what happens if a program tries to read index 5 of an array declared with 5 elements.
  14. 14th March 1976A row of pixels is encoded using run-length encoding as: 3W 4B 3W. State the original row of pixels it represents.
  15. 15th March 1976A photo file is 3.5 MB in size. Calculate its size in kilobytes (KB). Use 1 MB = 1000 KB.
  16. 16th March 1976A 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.
  17. 17th March 1976State the most appropriate data type for storing a person's shoe size if only whole sizes (e.g. 7, 8, 9) are allowed.
  18. 18th March 1976Give one specific way this code could be refined without changing what it does: a = 5, b = 3, c = a + b, PRINT c
  19. 19th March 1976Give one example of an optical secondary storage device.
  20. 20th March 1976Define the term protocol.
  21. 21st March 1976State the term used for realistic data that a program would be expected to handle during normal use.
  22. 22nd March 1976A 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.
  23. 23rd March 1976State the difference between lossy and lossless compression.
  24. 24th March 1976State the condition that must be met before a binary search can be used on an array.
  25. 25th March 1976A logic circuit has inputs C and D. C feeds into a NOT gate; the output of the NOT gate and D feed into an OR gate, giving output Y. Write the Boolean expression for Y and state its value when C = 1 and D = 0.
  26. 26th March 1976Convert the hexadecimal number FF to an 8-bit binary number.
  27. 27th March 1976Which piece of network hardware connects a LAN to another network such as the internet, directing data packets based on IP address?
  28. 28th March 1976Explain the purpose of a breakpoint.
  29. 29th March 1976Convert the denary number 45 to hexadecimal.
  30. 30th March 1976What does the acronym CPU stand for?
  31. 31st March 1976State what the term malware means.