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Daily Practice · GCSE Computer Science

August 2005 - GCSE Computer Science 5-a-day

Every GCSE Computer Science sheet published in August 2005, with answers. Systems, data representation, networks, algorithms and programming.

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August 2005

31 sheets · 155 questions · GCSE

August 2005 compilationAll answers

Every sheet in August 2005

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

  1. 1st August 2005What does the acronym CPU stand for?
  2. 2nd August 2005State what the term malware means.
  3. 3rd August 2005Trace 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).
  4. 4th August 2005An 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).
  5. 5th August 2005Which of RAM and ROM is volatile, meaning its contents are lost when the power is removed?
  6. 6th August 2005Which piece of UK legislation controls how organisations must store and use people's personal data?
  7. 7th August 2005Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
  8. 8th August 2005State the value returned by LENGTH(word) if word stores the string 'Computer'.
  9. 9th August 2005Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
  10. 10th August 2005Explain the role of TCP when a large file is downloaded.
  11. 11th August 2005A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
  12. 12th August 2005A 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.
  13. 13th August 2005State one function carried out by the operating system of a computer.
  14. 14th August 2005In computational thinking, what is meant by the term 'decomposition'?
  15. 15th August 2005Given A = 1 and B = 1, state the value of A AND B.
  16. 16th August 2005State how many different values can be represented using 5 bits, and explain your reasoning.
  17. 17th August 2005Define a peer-to-peer network.
  18. 18th August 2005Give one advantage and one disadvantage of using a compiler.
  19. 19th August 2005Convert the denary number 5 to a 4-bit binary number.
  20. 20th August 2005A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
  21. 21st August 2005A 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.
  22. 22nd August 2005Write a loop in pseudocode that outputs every element of a 1D array named names of length 6.
  23. 23rd August 2005A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
  24. 24th August 2005State the type of program that is typically stored in ROM.
  25. 25th August 2005State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
  26. 26th August 2005A FOR loop runs: total = 0, FOR i = 1 TO 4, total = total + i, NEXT i. State the value of total after the loop finishes.
  27. 27th August 2005State the key difference between a procedure and a function.
  28. 28th August 2005State the typical maximum capacity of a single-layer DVD.
  29. 29th August 2005A 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?
  30. 30th August 2005State what is meant by a syntax error.
  31. 31st August 2005Give one advantage of a relational database over a flat-file database.