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Daily Practice · GCSE Computer Science

May 1978 5-a-day

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May 1978

31 sheets · 155 questions · GCSE

May 1978 compilationAll answers

Every sheet in May 1978

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

  1. 1st May 1978Write a loop in pseudocode that outputs every element of a 1D array named names of length 6.
  2. 2nd May 1978Define the term 'pixel'.
  3. 3rd May 1978Order these from fastest access speed to slowest: RAM, cache, registers, secondary storage.
  4. 4th May 1978Which piece of UK legislation makes it a criminal offence to gain unauthorised access to a computer system?
  5. 5th May 1978Evaluate the expression 23 DIV 4.
  6. 6th May 1978State the correct order of the three operations used to read data from a text file.
  7. 7th May 1978A 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.
  8. 8th May 1978A 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?
  9. 9th May 1978A 'quantity' field on a website must only accept whole numbers from 1 to 10. Which validation check identifies that 15 has been entered?
  10. 10th May 1978A 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.
  11. 11th May 1978A row of 8 pixels is WWWBBBWW. Use run-length encoding to encode this row as pairs of (colour, run length).
  12. 12th May 1978An 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.
  13. 13th May 1978Complete: NOT 0 = ?
  14. 14th May 1978Convert the denary number 200 to hexadecimal, showing your working.
  15. 15th May 1978State what LAN stands for.
  16. 16th May 1978Name the translator used for assembly language and describe how it differs from a compiler.
  17. 17th May 1978An 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.
  18. 18th May 1978Which CPU register holds the address of the next instruction to be fetched?
  19. 19th May 1978Distinguish between the network security threats known as phishing and pharming.
  20. 20th May 1978Explain what happens if a program tries to read index 5 of an array declared with 5 elements.
  21. 21st May 1978A row of pixels is encoded using run-length encoding as: 3W 4B 3W. State the original row of pixels it represents.
  22. 22nd May 1978A photo file is 3.5 MB in size. Calculate its size in kilobytes (KB). Use 1 MB = 1000 KB.
  23. 23rd May 1978A 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.
  24. 24th May 1978State the most appropriate data type for storing a person's shoe size if only whole sizes (e.g. 7, 8, 9) are allowed.
  25. 25th May 1978State the pseudocode operator commonly used to join (concatenate) two strings, then show how it joins 'Rev' and 'ision' to produce 'Revision'.
  26. 26th May 1978Give one example of an optical secondary storage device.
  27. 27th May 1978Define the term protocol.
  28. 28th May 1978State the term used for realistic data that a program would be expected to handle during normal use.
  29. 29th May 1978Define the term 'primary key' as used in a database table.
  30. 30th May 1978State the difference between lossy and lossless compression.
  31. 31st May 1978State the condition that must be met before a binary search can be used on an array.