Daily Practice · GCSE Computer Science

March 2016 - GCSE Computer Science 5-a-day

Every GCSE Computer Science sheet published in March 2016, with answers. Systems, data representation, networks, algorithms and programming.

Every sheet in March 2016

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

  1. 1st March 2016Give one example of an optical secondary storage device.
  2. 2nd March 2016Explain the role of TCP when a large file is downloaded.
  3. 3rd March 2016State the term used for realistic data that a program would be expected to handle during normal use.
  4. 4th March 2016A 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.
  5. 5th March 2016State the difference between lossy and lossless compression.
  6. 6th March 2016State the condition that must be met before a binary search can be used on an array.
  7. 7th March 2016A logic circuit has inputs C and D. C feeds into a NOT gate; the output of the NOT gate and D feed into an OR gate, giving output Y. Write the Boolean expression for Y and state its value when C = 1 and D = 0.
  8. 8th March 2016Convert the hexadecimal number FF to an 8-bit binary number.
  9. 9th March 2016Which piece of network hardware connects a LAN to another network such as the internet, directing data packets based on IP address?
  10. 10th March 2016Give one advantage and one disadvantage of using a compiler.
  11. 11th March 2016Convert the denary number 45 to hexadecimal.
  12. 12th March 2016What does the acronym CPU stand for?
  13. 13th March 2016State what the term malware means.
  14. 14th March 2016Write a loop in pseudocode that outputs every element of a 1D array named names of length 6.
  15. 15th March 2016An 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).
  16. 16th March 2016Which of RAM and ROM is volatile, meaning its contents are lost when the power is removed?
  17. 17th March 2016Which piece of UK legislation controls how organisations must store and use people's personal data?
  18. 18th March 2016Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
  19. 19th March 2016State the correct order of the three operations used to read data from a text file.
  20. 20th March 2016Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
  21. 21st March 2016A 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?
  22. 22nd March 2016A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
  23. 23rd March 2016A 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.
  24. 24th March 2016State one function carried out by the operating system of a computer.
  25. 25th March 2016In computational thinking, what is meant by the term 'decomposition'?
  26. 26th March 2016Given A = 1 and B = 1, state the value of A AND B.
  27. 27th March 2016Convert the denary number 200 to hexadecimal, showing your working.
  28. 28th March 2016Define a peer-to-peer network.
  29. 29th March 2016Name the translator used for assembly language and describe how it differs from a compiler.
  30. 30th March 2016Convert the denary number 5 to a 4-bit binary number.
  31. 31st March 2016A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.