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Daily Practice · GCSE Computer Science

February 1973 5-a-day

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February 1973

28 sheets · 140 questions · GCSE

February 1973 compilationAll answers

Every sheet in February 1973

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

  1. 1st February 1973State 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 February 1973Write 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 February 1973Give one example of an optical secondary storage device.
  4. 4th February 1973Give two reasons why network communication is divided into layers.
  5. 5th February 1973State the term used for realistic data that a program would be expected to handle during normal use.
  6. 6th February 1973State what a foreign key is used for.
  7. 7th February 1973State the difference between lossy and lossless compression.
  8. 8th February 1973State the condition that must be met before a binary search can be used on an array.
  9. 9th February 1973A 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 February 1973A 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 February 1973Which piece of network hardware connects a LAN to another network such as the internet, directing data packets based on IP address?
  12. 12th February 1973Explain why an interpreter is often preferred while a program is being written.
  13. 13th February 1973Convert the denary number 45 to hexadecimal.
  14. 14th February 1973What does the acronym CPU stand for?
  15. 15th February 1973State what the term malware means.
  16. 16th February 1973A 2D array grid is declared as grid[4][6]. State how many rows and columns it has and how many elements it holds in total.
  17. 17th February 1973An 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 February 1973Which of RAM and ROM is volatile, meaning its contents are lost when the power is removed?
  19. 19th February 1973Which piece of UK legislation controls how organisations must store and use people's personal data?
  20. 20th February 1973Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
  21. 21st February 1973State the value returned by LENGTH(word) if word stores the string 'Computer'.
  22. 22nd February 1973Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
  23. 23rd February 1973State the layer that IP operates in, and describe its job.
  24. 24th February 1973A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
  25. 25th February 1973A 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 February 1973State one function carried out by the operating system of a computer.
  27. 27th February 1973In computational thinking, what is meant by the term 'decomposition'?
  28. 28th February 1973Given A = 1 and B = 1, state the value of A AND B.