Revision Library
/Subjects/Computer Science/Daily Practice
Daily Practice · GCSE Computer Science

April 1966 5-a-day

← Today's GCSE Computer Science sheet

April 1966

30 sheets · 150 questions · GCSE

April 1966 compilationAll answers

Every sheet in April 1966

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

  1. 1st April 1966Which piece of network hardware connects a LAN to another network such as the internet, directing data packets based on IP address?
  2. 2nd April 1966Describe what syntax highlighting is and how it helps a programmer.
  3. 3rd April 1966Convert the denary number 45 to hexadecimal.
  4. 4th April 1966What does the acronym CPU stand for?
  5. 5th April 1966State what the term malware means.
  6. 6th April 1966Trace 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).
  7. 7th April 1966An 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 April 1966Which of RAM and ROM is volatile, meaning its contents are lost when the power is removed?
  9. 9th April 1966Which piece of UK legislation controls how organisations must store and use people's personal data?
  10. 10th April 1966Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
  11. 11th April 1966State the correct order of the three operations used to read data from a text file.
  12. 12th April 1966Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
  13. 13th April 1966Explain the role of TCP when a large file is downloaded.
  14. 14th April 1966A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
  15. 15th April 1966A table called products has fields productId, name, price and stock. Write an SQL statement that changes the price of the product with productId 7 to 15.99.
  16. 16th April 1966State one function carried out by the operating system of a computer.
  17. 17th April 1966In computational thinking, what is meant by the term 'decomposition'?
  18. 18th April 1966Given A = 1 and B = 1, state the value of A AND B.
  19. 19th April 1966Convert the denary number 200 to hexadecimal, showing your working.
  20. 20th April 1966Define a peer-to-peer network.
  21. 21st April 1966Give one advantage and one disadvantage of using a compiler.
  22. 22nd April 1966Convert the denary number 5 to a 4-bit binary number.
  23. 23rd April 1966A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
  24. 24th April 1966A 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 April 1966Write a loop in pseudocode that outputs every element of a 1D array named names of length 6.
  26. 26th April 1966A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
  27. 27th April 1966State the type of program that is typically stored in ROM.
  28. 28th April 1966State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
  29. 29th April 1966A 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 April 1966State the pseudocode operator commonly used to join (concatenate) two strings, then show how it joins 'Rev' and 'ision' to produce 'Revision'.