Daily Practice · GCSE Computer Science

June 1983 5-a-day

Every sheet in June 1983

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 1983Which piece of network hardware connects a LAN to another network such as the internet, directing data packets based on IP address?
  2. 2nd June 1983Give one advantage and one disadvantage of using a compiler.
  3. 3rd June 1983Convert the denary number 45 to hexadecimal.
  4. 4th June 1983What does the acronym CPU stand for?
  5. 5th June 1983State what the term malware means.
  6. 6th June 1983Write a loop in pseudocode that outputs every element of a 1D array named names of length 6.
  7. 7th June 1983An 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).
  8. 8th June 1983Which of RAM and ROM is volatile, meaning its contents are lost when the power is removed?
  9. 9th June 1983Which piece of UK legislation controls how organisations must store and use people's personal data?
  10. 10th June 1983Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
  11. 11th June 1983A 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.
  12. 12th June 1983Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
  13. 13th June 1983A 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?
  14. 14th June 1983A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
  15. 15th June 1983A 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;
  16. 16th June 1983State one function carried out by the operating system of a computer.
  17. 17th June 1983In computational thinking, what is meant by the term 'decomposition'?
  18. 18th June 1983Given A = 1 and B = 1, state the value of A AND B.
  19. 19th June 1983Convert the 8-bit binary number 01011010 to denary.
  20. 20th June 1983Define a peer-to-peer network.
  21. 21st June 1983Name the translator used for assembly language and describe how it differs from a compiler.
  22. 22nd June 1983Convert the denary number 5 to a 4-bit binary number.
  23. 23rd June 1983A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
  24. 24th June 1983A simple cipher shifts every letter 2 places forward in the alphabet, wrapping around so Y becomes A and Z becomes B. Encrypt the plaintext CAT using this cipher.
  25. 25th June 1983Explain what happens if a program tries to read index 5 of an array declared with 5 elements.
  26. 26th June 1983A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
  27. 27th June 1983State the type of program that is typically stored in ROM.
  28. 28th June 1983State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
  29. 29th June 1983A FOR loop runs: total = 0, FOR i = 1 TO 4, total = total + i, NEXT i. State the value of total after the loop finishes.
  30. 30th June 1983Write 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.