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Daily Practice · GCSE Computer Science

November 2001 - GCSE Computer Science 5-a-day

Every GCSE Computer Science sheet published in November 2001, with answers. Systems, data representation, networks, algorithms and programming.

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November 2001

30 sheets · 150 questions · GCSE

November 2001 compilationAll answers

Every sheet in November 2001

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

  1. 1st November 2001Convert the denary number 45 to hexadecimal.
  2. 2nd November 2001What does the acronym CPU stand for?
  3. 3rd November 2001State what the term malware means.
  4. 4th November 2001Describe what a nested loop does when it processes a 2D array.
  5. 5th November 2001An 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 November 2001Which of RAM and ROM is volatile, meaning its contents are lost when the power is removed?
  7. 7th November 2001Which piece of UK legislation controls how organisations must store and use people's personal data?
  8. 8th November 2001Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
  9. 9th November 2001State the value returned by LENGTH(word) if word stores the string 'Computer'.
  10. 10th November 2001Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
  11. 11th November 2001Give two reasons why network communication is divided into layers.
  12. 12th November 2001A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
  13. 13th November 2001A 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 November 2001State one function carried out by the operating system of a computer.
  15. 15th November 2001In computational thinking, what is meant by the term 'decomposition'?
  16. 16th November 2001Given A = 1 and B = 1, state the value of A AND B.
  17. 17th November 2001State how many different values can be represented using 5 bits, and explain your reasoning.
  18. 18th November 2001Define a peer-to-peer network.
  19. 19th November 2001Explain why an interpreter is often preferred while a program is being written.
  20. 20th November 2001Convert the denary number 5 to a 4-bit binary number.
  21. 21st November 2001A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
  22. 22nd November 2001A 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 November 2001A 2D array grid is declared as grid[4][6]. State how many rows and columns it has and how many elements it holds in total.
  24. 24th November 2001A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
  25. 25th November 2001State the type of program that is typically stored in ROM.
  26. 26th November 2001State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
  27. 27th November 2001A 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 November 2001State the key difference between a procedure and a function.
  29. 29th November 2001State the typical maximum capacity of a single-layer DVD.
  30. 30th November 2001State the layer that IP operates in, and describe its job.