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Daily Practice · GCSE Computer Science

May 2019 - GCSE Computer Science 5-a-day

Every GCSE Computer Science sheet published in May 2019, with answers. Systems, data representation, networks, algorithms and programming.

← Today's GCSE Computer Science sheet

May 2019

31 sheets · 155 questions · GCSE

May 2019 compilationAll answers

Every sheet in May 2019

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 2019Which piece of UK legislation controls how organisations must store and use people's personal data?
  2. 2nd May 2019Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
  3. 3rd May 2019State the value returned by LENGTH(word) if word stores the string 'Computer'.
  4. 4th May 2019Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
  5. 5th May 2019Give two reasons why network communication is divided into layers.
  6. 6th May 2019A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
  7. 7th May 2019A 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.
  8. 8th May 2019State one function carried out by the operating system of a computer.
  9. 9th May 2019In computational thinking, what is meant by the term 'decomposition'?
  10. 10th May 2019Given A = 1 and B = 1, state the value of A AND B.
  11. 11th May 2019State how many different values can be represented using 5 bits, and explain your reasoning.
  12. 12th May 2019Define a peer-to-peer network.
  13. 13th May 2019Explain why an interpreter is often preferred while a program is being written.
  14. 14th May 2019Convert the denary number 5 to a 4-bit binary number.
  15. 15th May 2019A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
  16. 16th May 2019A 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.
  17. 17th May 2019A 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.
  18. 18th May 2019A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
  19. 19th May 2019State the type of program that is typically stored in ROM.
  20. 20th May 2019State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
  21. 21st May 2019A FOR loop runs: total = 0, FOR i = 1 TO 4, total = total + i, NEXT i. State the value of total after the loop finishes.
  22. 22nd May 2019State the key difference between a procedure and a function.
  23. 23rd May 2019State the typical maximum capacity of a single-layer DVD.
  24. 24th May 2019State the layer that IP operates in, and describe its job.
  25. 25th May 2019State what is meant by a syntax error.
  26. 26th May 2019Give one advantage of a relational database over a flat-file database.
  27. 27th May 2019What type of utility software reorganises files on a hard disk so fragmented parts are stored closer together?
  28. 28th May 2019Calculate the maximum number of comparisons required by a binary search on a sorted list of 512 items.
  29. 29th May 2019Given P = 0 and Q = 1, state the value of P OR Q.
  30. 30th May 2019Convert the hexadecimal number 3F to denary.
  31. 31st May 2019A 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.