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Daily Practice · GCSE Computer Science

May 2010 - GCSE Computer Science 5-a-day

Every GCSE Computer Science sheet published in May 2010, with answers. Systems, data representation, networks, algorithms and programming.

← Today's GCSE Computer Science sheet

May 2010

31 sheets · 155 questions · GCSE

May 2010 compilationAll answers

Every sheet in May 2010

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 2010State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
  2. 2nd May 2010A FOR loop runs: total = 0, FOR i = 1 TO 4, total = total + i, NEXT i. State the value of total after the loop finishes.
  3. 3rd May 2010Give one specific way this code could be refined without changing what it does: a = 5, b = 3, c = a + b, PRINT c
  4. 4th May 2010State the typical maximum capacity of a single-layer DVD.
  5. 5th May 2010Explain the role of TCP when a large file is downloaded.
  6. 6th May 2010State what is meant by a syntax error.
  7. 7th May 2010A table called members has fields memberId, firstName, lastName and joinYear. Write an SQL statement that adds a new record with memberId 12, firstName 'Priya', lastName 'Shah' and joinYear 2026.
  8. 8th May 2010What type of utility software reorganises files on a hard disk so fragmented parts are stored closer together?
  9. 9th May 2010Calculate the maximum number of comparisons required by a binary search on a sorted list of 512 items.
  10. 10th May 2010Given P = 0 and Q = 1, state the value of P OR Q.
  11. 11th May 2010Convert the hexadecimal number FF to an 8-bit binary number.
  12. 12th May 2010A 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.
  13. 13th May 2010Give one advantage and one disadvantage of using a compiler.
  14. 14th May 2010Convert the 4-bit binary number 1101 to denary.
  15. 15th May 2010Two CPUs are compared for a task optimised for multiple cores: CPU A has 2 cores at 4.2 GHz; CPU B has 6 cores at 3.0 GHz. Explain which CPU is likely to perform better for this task.
  16. 16th May 2010State why an organisation might employ penetration testers to test its network.
  17. 17th May 2010Write a loop in pseudocode that outputs every element of a 1D array named names of length 6.
  18. 18th May 2010State one example of a file format that commonly uses lossy compression.
  19. 19th May 2010State how many bits are in one byte, and how many bytes are in one kibibyte (KiB).
  20. 20th May 2010State whether the source code of proprietary (closed source) software is normally available for the public to view.
  21. 21st May 2010Write one line of pseudocode that converts the string stored in heightInput into a real number and stores it in a variable called height.
  22. 22nd May 2010State the correct order of the three operations used to read data from a text file.
  23. 23rd May 2010Order these units of data from smallest to largest: megabyte, byte, gigabyte, kilobyte.
  24. 24th May 2010A 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?
  25. 25th May 2010Give one example of erroneous test data for a field that only accepts whole numbers from 1 to 10.
  26. 26th May 2010A 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.
  27. 27th May 2010Each pair from the previous question is stored using 2 bytes. Calculate the compression ratio achieved, given the uncompressed row (1 byte per pixel) uses 8 bytes.
  28. 28th May 2010Which flowchart symbol shape is used to represent a decision point (e.g. a yes/no branch)?
  29. 29th May 2010State the two values a Boolean data type can hold.
  30. 30th May 2010Convert the denary number 200 to hexadecimal, showing your working.
  31. 31st May 2010Calculate the number of cables needed to connect 8 computers in a full mesh topology, where every computer connects directly to every other computer.