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Daily Practice · GCSE Computer Science

May 1979 5-a-day

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May 1979

31 sheets · 155 questions · GCSE

May 1979 compilationAll answers

Every sheet in May 1979

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 1979State the most appropriate data type for storing a person's shoe size if only whole sizes (e.g. 7, 8, 9) are allowed.
  2. 2nd May 1979Write the pseudocode header and body for a function called isAdult that takes one integer parameter called age and returns True if age is 18 or over.
  3. 3rd May 1979Give one example of an optical secondary storage device.
  4. 4th May 1979State the layer that IP operates in, and describe its job.
  5. 5th May 1979State the term used for realistic data that a program would be expected to handle during normal use.
  6. 6th May 1979State what a foreign key is used for.
  7. 7th May 1979State the difference between lossy and lossless compression.
  8. 8th May 1979State the condition that must be met before a binary search can be used on an array.
  9. 9th May 1979A 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.
  10. 10th May 1979A pseudocode algorithm is: count <- 0, x <- 10, WHILE x > 0, count <- count + 1, x <- x - 3, ENDWHILE, OUTPUT count. Complete a trace table for x and count, laid out as x | count, then state the value output.
  11. 11th May 1979Which piece of network hardware connects a LAN to another network such as the internet, directing data packets based on IP address?
  12. 12th May 1979Describe what syntax highlighting is and how it helps a programmer.
  13. 13th May 1979Convert the denary number 45 to hexadecimal.
  14. 14th May 1979What does the acronym CPU stand for?
  15. 15th May 1979State what the term malware means.
  16. 16th May 1979Trace this algorithm with data = [4, 9, 2, 9, 7] and state the final output. total = 0; count = 0; for i = 0 to 4: if data[i] > 5 then total = total + data[i] and count = count + 1; next i; print(total, count).
  17. 17th May 1979An 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).
  18. 18th May 1979Which of RAM and ROM is volatile, meaning its contents are lost when the power is removed?
  19. 19th May 1979Which piece of UK legislation controls how organisations must store and use people's personal data?
  20. 20th May 1979Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
  21. 21st May 1979State the value returned by LENGTH(word) if word stores the string 'Computer'.
  22. 22nd May 1979Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
  23. 23rd May 1979Explain the role of TCP when a large file is downloaded.
  24. 24th May 1979A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
  25. 25th May 1979A table called books has fields bookId, title, authorId and copiesAvailable. Write an SQL statement that selects the title of every book with more than 2 copies available.
  26. 26th May 1979State one function carried out by the operating system of a computer.
  27. 27th May 1979In computational thinking, what is meant by the term 'decomposition'?
  28. 28th May 1979Given A = 1 and B = 1, state the value of A AND B.
  29. 29th May 1979State how many different values can be represented using 5 bits, and explain your reasoning.
  30. 30th May 1979Define a peer-to-peer network.
  31. 31st May 1979Give one advantage and one disadvantage of using a compiler.