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Daily Practice · GCSE Computer Science

October 1967 5-a-day

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October 1967

31 sheets · 155 questions · GCSE

October 1967 compilationAll answers

Every sheet in October 1967

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

  1. 1st October 1967An 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.
  2. 2nd October 1967Complete: NOT 0 = ?
  3. 3rd October 1967State how many different values can be represented using 5 bits, and explain your reasoning.
  4. 4th October 1967State what LAN stands for.
  5. 5th October 1967Give one advantage and one disadvantage of using a compiler.
  6. 6th October 1967An 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.
  7. 7th October 1967Which CPU register holds the address of the next instruction to be fetched?
  8. 8th October 1967Distinguish between the network security threats known as phishing and pharming.
  9. 9th October 1967Write a loop in pseudocode that outputs every element of a 1D array named names of length 6.
  10. 10th October 1967A row of pixels is encoded using run-length encoding as: 3W 4B 3W. State the original row of pixels it represents.
  11. 11th October 1967A photo file is 3.5 MB in size. Calculate its size in kilobytes (KB). Use 1 MB = 1000 KB.
  12. 12th October 1967A 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.
  13. 13th October 1967State the most appropriate data type for storing a person's shoe size if only whole sizes (e.g. 7, 8, 9) are allowed.
  14. 14th October 1967State the key difference between a procedure and a function.
  15. 15th October 1967Give one example of an optical secondary storage device.
  16. 16th October 1967A 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?
  17. 17th October 1967State the term used for realistic data that a program would be expected to handle during normal use.
  18. 18th October 1967Give one advantage of a relational database over a flat-file database.
  19. 19th October 1967State the difference between lossy and lossless compression.
  20. 20th October 1967State the condition that must be met before a binary search can be used on an array.
  21. 21st October 1967A 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.
  22. 22nd October 1967Convert the hexadecimal number 3F to denary.
  23. 23rd October 1967Which piece of network hardware connects a LAN to another network such as the internet, directing data packets based on IP address?
  24. 24th October 1967Name the translator used for assembly language and describe how it differs from a compiler.
  25. 25th October 1967Convert the denary number 45 to hexadecimal.
  26. 26th October 1967What does the acronym CPU stand for?
  27. 27th October 1967State what the term malware means.
  28. 28th October 1967Explain what happens if a program tries to read index 5 of an array declared with 5 elements.
  29. 29th October 1967An uncompressed file is 6000 KB. After lossless compression it is 1500 KB. Calculate the compression ratio in the form n:1 (original size : compressed size).
  30. 30th October 1967Which of RAM and ROM is volatile, meaning its contents are lost when the power is removed?
  31. 31st October 1967Which piece of UK legislation controls how organisations must store and use people's personal data?