Daily Practice · GCSE Computer Science

November 1960 5-a-day

Every sheet in November 1960

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

  1. 1st November 1960Convert the hexadecimal number FF to an 8-bit binary number.
  2. 2nd November 1960Give one advantage of a star topology compared with a mesh topology.
  3. 3rd November 1960Give one advantage and one disadvantage of using a compiler.
  4. 4th November 1960Add the 8-bit binary numbers 00101101 and 00010011, giving your answer as an 8-bit binary number.
  5. 5th November 1960State the three stages of the fetch-decode-execute cycle in the order they occur.
  6. 6th November 1960State one weakness of a simple shift cipher compared to modern encryption methods used on networks.
  7. 7th November 1960Write a loop in pseudocode that outputs every element of a 1D array named names of length 6.
  8. 8th November 1960Define the term 'pixel'.
  9. 9th November 1960Order these from fastest access speed to slowest: RAM, cache, registers, secondary storage.
  10. 10th November 1960Which piece of UK legislation makes it a criminal offence to gain unauthorised access to a computer system?
  11. 11th November 1960Evaluate the expression 23 DIV 4.
  12. 12th November 1960State the correct order of the three operations used to read data from a text file.
  13. 13th November 1960A 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.
  14. 14th November 1960A 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?
  15. 15th November 1960A 'quantity' field on a website must only accept whole numbers from 1 to 10. Which validation check identifies that 15 has been entered?
  16. 16th November 1960A 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.
  17. 17th November 1960A row of 8 pixels is WWWBBBWW. Use run-length encoding to encode this row as pairs of (colour, run length).
  18. 18th November 1960An 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.
  19. 19th November 1960Complete: NOT 0 = ?
  20. 20th November 1960Convert the denary number 200 to hexadecimal, showing your working.
  21. 21st November 1960State what LAN stands for.
  22. 22nd November 1960Name the translator used for assembly language and describe how it differs from a compiler.
  23. 23rd November 1960An 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.
  24. 24th November 1960Which CPU register holds the address of the next instruction to be fetched?
  25. 25th November 1960Distinguish between the network security threats known as phishing and pharming.
  26. 26th November 1960Explain what happens if a program tries to read index 5 of an array declared with 5 elements.
  27. 27th November 1960A row of pixels is encoded using run-length encoding as: 3W 4B 3W. State the original row of pixels it represents.
  28. 28th November 1960A photo file is 3.5 MB in size. Calculate its size in kilobytes (KB). Use 1 MB = 1000 KB.
  29. 29th November 1960A 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.
  30. 30th November 1960State the most appropriate data type for storing a person's shoe size if only whole sizes (e.g. 7, 8, 9) are allowed.