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Daily Practice · GCSE Computer Science

March 1962 5-a-day

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March 1962

31 sheets · 155 questions · GCSE

March 1962 compilationAll answers

Every sheet in March 1962

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

  1. 1st March 1962State 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 March 1962State the pseudocode operator commonly used to join (concatenate) two strings, then show how it joins 'Rev' and 'ision' to produce 'Revision'.
  3. 3rd March 1962Give one example of an optical secondary storage device.
  4. 4th March 1962Give two reasons why network communication is divided into layers.
  5. 5th March 1962State the term used for realistic data that a program would be expected to handle during normal use.
  6. 6th March 1962Define the term 'primary key' as used in a database table.
  7. 7th March 1962State the difference between lossy and lossless compression.
  8. 8th March 1962State the condition that must be met before a binary search can be used on an array.
  9. 9th March 1962A 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 March 1962Convert the 8-bit binary number 10110100 directly to hexadecimal by splitting it into nibbles.
  11. 11th March 1962Which piece of network hardware connects a LAN to another network such as the internet, directing data packets based on IP address?
  12. 12th March 1962Explain why an interpreter is often preferred while a program is being written.
  13. 13th March 1962Convert the denary number 45 to hexadecimal.
  14. 14th March 1962What does the acronym CPU stand for?
  15. 15th March 1962State what the term malware means.
  16. 16th March 1962A 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 March 1962An 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 March 1962Which of RAM and ROM is volatile, meaning its contents are lost when the power is removed?
  19. 19th March 1962Which piece of UK legislation controls how organisations must store and use people's personal data?
  20. 20th March 1962Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
  21. 21st March 1962A function is defined as: FUNCTION addTax(price) RETURN price x 1.2 ENDFUNCTION. Another line of code runs: total <- addTax(20) + addTax(30). Trace both function calls and state the final value of total.
  22. 22nd March 1962Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
  23. 23rd March 1962State the layer that IP operates in, and describe its job.
  24. 24th March 1962A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
  25. 25th March 1962A table called staff has fields staffId, name, department and salary, storing these records: staffId | name | department | salary, 1 | Ben | Sales | 24000, 2 | Chloe | IT | 31000, 3 | Dan | Sales | 27000. State which staffId(s) would be returned by: SELECT staffId FROM staff WHERE department = 'Sales' AND salary > 25000;
  26. 26th March 1962State one function carried out by the operating system of a computer.
  27. 27th March 1962In computational thinking, what is meant by the term 'decomposition'?
  28. 28th March 1962Given A = 1 and B = 1, state the value of A AND B.
  29. 29th March 1962Convert the 8-bit binary number 01011010 to denary.
  30. 30th March 1962Define a peer-to-peer network.
  31. 31st March 1962Describe what syntax highlighting is and how it helps a programmer.