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Daily Practice · GCSE Computer Science

May 2004 - GCSE Computer Science 5-a-day

Every GCSE Computer Science sheet published in May 2004, with answers. Systems, data representation, networks, algorithms and programming.

← Today's GCSE Computer Science sheet

May 2004

31 sheets · 155 questions · GCSE

May 2004 compilationAll answers

Every sheet in May 2004

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

  1. 1st May 2004Convert the denary number 45 to hexadecimal.
  2. 2nd May 2004What does the acronym CPU stand for?
  3. 3rd May 2004State what the term malware means.
  4. 4th May 2004An array named temps holds 12 values. State the index of the first item and the index of the last item.
  5. 5th May 2004An 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).
  6. 6th May 2004Which of RAM and ROM is volatile, meaning its contents are lost when the power is removed?
  7. 7th May 2004Which piece of UK legislation controls how organisations must store and use people's personal data?
  8. 8th May 2004Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
  9. 9th May 2004State the value returned by LENGTH(word) if word stores the string 'Computer'.
  10. 10th May 2004Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
  11. 11th May 2004State the difference between HTTP and HTTPS, and give one situation where HTTPS is essential.
  12. 12th May 2004A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
  13. 13th May 2004A 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.
  14. 14th May 2004State one function carried out by the operating system of a computer.
  15. 15th May 2004In computational thinking, what is meant by the term 'decomposition'?
  16. 16th May 2004Given A = 1 and B = 1, state the value of A AND B.
  17. 17th May 2004State how many different values can be represented using 5 bits, and explain your reasoning.
  18. 18th May 2004Define a peer-to-peer network.
  19. 19th May 2004State why a program written in a high level language must be translated.
  20. 20th May 2004Convert the denary number 5 to a 4-bit binary number.
  21. 21st May 2004A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
  22. 22nd May 2004A 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.
  23. 23rd May 2004Describe what a nested loop does when it processes a 2D array.
  24. 24th May 2004A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
  25. 25th May 2004State the type of program that is typically stored in ROM.
  26. 26th May 2004State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
  27. 27th May 2004A FOR loop runs: total = 0, FOR i = 1 TO 4, total = total + i, NEXT i. State the value of total after the loop finishes.
  28. 28th May 2004State the key difference between a procedure and a function.
  29. 29th May 2004State the typical maximum capacity of a single-layer DVD.
  30. 30th May 2004Give two reasons why network communication is divided into layers.
  31. 31st May 2004State what is meant by a syntax error.