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Daily Practice · GCSE Computer Science

June 1963 5-a-day

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June 1963

30 sheets · 150 questions · GCSE

June 1963 compilationAll answers

Every sheet in June 1963

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

  1. 1st June 1963State the pseudocode operator commonly used to join (concatenate) two strings, then show how it joins 'Rev' and 'ision' to produce 'Revision'.
  2. 2nd June 1963Give one example of an optical secondary storage device.
  3. 3rd June 1963A 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?
  4. 4th June 1963State the term used for realistic data that a program would be expected to handle during normal use.
  5. 5th June 1963Define the term 'primary key' as used in a database table.
  6. 6th June 1963State the difference between lossy and lossless compression.
  7. 7th June 1963State the condition that must be met before a binary search can be used on an array.
  8. 8th June 1963A 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.
  9. 9th June 1963Convert the 8-bit binary number 10110100 directly to hexadecimal by splitting it into nibbles.
  10. 10th June 1963Which piece of network hardware connects a LAN to another network such as the internet, directing data packets based on IP address?
  11. 11th June 1963Name the translator used for assembly language and describe how it differs from a compiler.
  12. 12th June 1963Convert the denary number 45 to hexadecimal.
  13. 13th June 1963What does the acronym CPU stand for?
  14. 14th June 1963State what the term malware means.
  15. 15th June 1963Explain what happens if a program tries to read index 5 of an array declared with 5 elements.
  16. 16th June 1963An 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).
  17. 17th June 1963Which of RAM and ROM is volatile, meaning its contents are lost when the power is removed?
  18. 18th June 1963Which piece of UK legislation controls how organisations must store and use people's personal data?
  19. 19th June 1963Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
  20. 20th June 1963A 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.
  21. 21st June 1963Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
  22. 22nd June 1963Define the term protocol.
  23. 23rd June 1963A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
  24. 24th June 1963A 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;
  25. 25th June 1963State one function carried out by the operating system of a computer.
  26. 26th June 1963In computational thinking, what is meant by the term 'decomposition'?
  27. 27th June 1963Given A = 1 and B = 1, state the value of A AND B.
  28. 28th June 1963Convert the 8-bit binary number 01011010 to denary.
  29. 29th June 1963Define a peer-to-peer network.
  30. 30th June 1963Explain the purpose of a breakpoint.