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Daily Practice · GCSE Computer Science

March 1956 5-a-day

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March 1956

31 sheets · 155 questions · GCSE

March 1956 compilationAll answers

Every sheet in March 1956

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 1956State the three stages of the fetch-decode-execute cycle in the order they occur.
  2. 2nd March 1956State one weakness of a simple shift cipher compared to modern encryption methods used on networks.
  3. 3rd March 1956Explain what happens if a program tries to read index 5 of an array declared with 5 elements.
  4. 4th March 1956Define the term 'pixel'.
  5. 5th March 1956Order these from fastest access speed to slowest: RAM, cache, registers, secondary storage.
  6. 6th March 1956Which piece of UK legislation makes it a criminal offence to gain unauthorised access to a computer system?
  7. 7th March 1956Evaluate the expression 23 DIV 4.
  8. 8th March 1956A 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.
  9. 9th March 1956A 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.
  10. 10th March 1956Define the term protocol.
  11. 11th March 1956A 'quantity' field on a website must only accept whole numbers from 1 to 10. Which validation check identifies that 15 has been entered?
  12. 12th March 1956A table called bookings has fields bookingId, customerName and eventDate. Write an SQL statement that deletes the booking with bookingId 45.
  13. 13th March 1956A row of 8 pixels is WWWBBBWW. Use run-length encoding to encode this row as pairs of (colour, run length).
  14. 14th March 1956An 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.
  15. 15th March 1956Complete: NOT 0 = ?
  16. 16th March 1956Convert the denary number 39 to an 8-bit binary number, showing your working.
  17. 17th March 1956State what LAN stands for.
  18. 18th March 1956Explain the purpose of a breakpoint.
  19. 19th March 1956An 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.
  20. 20th March 1956Which CPU register holds the address of the next instruction to be fetched?
  21. 21st March 1956Distinguish between the network security threats known as phishing and pharming.
  22. 22nd March 1956Explain why a running maximum should be initialised to the first element of the array rather than to 0.
  23. 23rd March 1956A row of pixels is encoded using run-length encoding as: 3W 4B 3W. State the original row of pixels it represents.
  24. 24th March 1956A photo file is 3.5 MB in size. Calculate its size in kilobytes (KB). Use 1 MB = 1000 KB.
  25. 25th March 1956A 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.
  26. 26th March 1956State the most appropriate data type for storing a person's shoe size if only whole sizes (e.g. 7, 8, 9) are allowed.
  27. 27th March 1956Give one specific way this code could be refined without changing what it does: a = 5, b = 3, c = a + b, PRINT c
  28. 28th March 1956Give one example of an optical secondary storage device.
  29. 29th March 1956Name the four layers of the TCP/IP model in order from the one closest to the user.
  30. 30th March 1956State the term used for realistic data that a program would be expected to handle during normal use.
  31. 31st March 1956A 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.