Revision Library
/Subjects/Computer Science/Daily Practice
Daily Practice · GCSE Computer Science

May 1994 - GCSE Computer Science 5-a-day

← Today's GCSE Computer Science sheet

May 1994

31 sheets · 155 questions · GCSE

May 1994 compilationAll answers

Every sheet in May 1994

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 1994State the condition that must be met before a binary search can be used on an array.
  2. 2nd May 1994A 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.
  3. 3rd May 1994A 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.
  4. 4th May 1994Which piece of network hardware connects a LAN to another network such as the internet, directing data packets based on IP address?
  5. 5th May 1994Give one advantage and one disadvantage of using a compiler.
  6. 6th May 1994Convert the denary number 45 to hexadecimal.
  7. 7th May 1994What does the acronym CPU stand for?
  8. 8th May 1994State what the term malware means.
  9. 9th May 1994Write a loop in pseudocode that outputs every element of a 1D array named names of length 6.
  10. 10th May 1994An 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).
  11. 11th May 1994Which of RAM and ROM is volatile, meaning its contents are lost when the power is removed?
  12. 12th May 1994Which piece of UK legislation controls how organisations must store and use people's personal data?
  13. 13th May 1994Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
  14. 14th May 1994State the value returned by LENGTH(word) if word stores the string 'Computer'.
  15. 15th May 1994Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
  16. 16th May 1994A 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?
  17. 17th May 1994A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
  18. 18th May 1994A 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.
  19. 19th May 1994State one function carried out by the operating system of a computer.
  20. 20th May 1994In computational thinking, what is meant by the term 'decomposition'?
  21. 21st May 1994Given A = 1 and B = 1, state the value of A AND B.
  22. 22nd May 1994State how many different values can be represented using 5 bits, and explain your reasoning.
  23. 23rd May 1994Define a peer-to-peer network.
  24. 24th May 1994Name the translator used for assembly language and describe how it differs from a compiler.
  25. 25th May 1994Convert the denary number 5 to a 4-bit binary number.
  26. 26th May 1994A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
  27. 27th May 1994A 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.
  28. 28th May 1994Explain what happens if a program tries to read index 5 of an array declared with 5 elements.
  29. 29th May 1994A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
  30. 30th May 1994State the type of program that is typically stored in ROM.
  31. 31st May 1994State one reason a small business might choose to use open source software instead of proprietary (closed source) software.