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Daily Practice · GCSE Computer Science

December 2000 - GCSE Computer Science 5-a-day

Every GCSE Computer Science sheet published in December 2000, with answers. Systems, data representation, networks, algorithms and programming.

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December 2000

31 sheets · 155 questions · GCSE

December 2000 compilationAll answers

Every sheet in December 2000

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

  1. 1st December 2000Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
  2. 2nd December 2000A 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.
  3. 3rd December 2000Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
  4. 4th December 2000A 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?
  5. 5th December 2000A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
  6. 6th December 2000A 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;
  7. 7th December 2000State one function carried out by the operating system of a computer.
  8. 8th December 2000In computational thinking, what is meant by the term 'decomposition'?
  9. 9th December 2000Given A = 1 and B = 1, state the value of A AND B.
  10. 10th December 2000Convert the 8-bit binary number 01011010 to denary.
  11. 11th December 2000Define a peer-to-peer network.
  12. 12th December 2000Name the translator used for assembly language and describe how it differs from a compiler.
  13. 13th December 2000Convert the denary number 5 to a 4-bit binary number.
  14. 14th December 2000A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
  15. 15th December 2000A 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.
  16. 16th December 2000Explain what happens if a program tries to read index 5 of an array declared with 5 elements.
  17. 17th December 2000A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
  18. 18th December 2000State the type of program that is typically stored in ROM.
  19. 19th December 2000State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
  20. 20th December 2000A FOR loop runs: total = 0, FOR i = 1 TO 4, total = total + i, NEXT i. State the value of total after the loop finishes.
  21. 21st December 2000Write 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.
  22. 22nd December 2000State the typical maximum capacity of a single-layer DVD.
  23. 23rd December 2000Define the term protocol.
  24. 24th December 2000State what is meant by a syntax error.
  25. 25th December 2000State what a foreign key is used for.
  26. 26th December 2000What type of utility software reorganises files on a hard disk so fragmented parts are stored closer together?
  27. 27th December 2000Calculate the maximum number of comparisons required by a binary search on a sorted list of 512 items.
  28. 28th December 2000Given P = 0 and Q = 1, state the value of P OR Q.
  29. 29th December 2000A pseudocode algorithm is: count <- 0, x <- 10, WHILE x > 0, count <- count + 1, x <- x - 3, ENDWHILE, OUTPUT count. Complete a trace table for x and count, laid out as x | count, then state the value output.
  30. 30th December 2000A network administrator is connecting 10 computers in a server room. Calculate the number of cables needed for a full mesh topology, and state the number needed for a star topology with one central switch.
  31. 31st December 2000Explain the purpose of a breakpoint.