Daily Practice · GCSE Computer Science

January 1994 - GCSE Computer Science 5-a-day

Every sheet in January 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 January 1994State the key difference between a procedure and a function.
  2. 2nd January 1994Give one example of an optical secondary storage device.
  3. 3rd January 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?
  4. 4th January 1994State the term used for realistic data that a program would be expected to handle during normal use.
  5. 5th January 1994Give one advantage of a relational database over a flat-file database.
  6. 6th January 1994State the difference between lossy and lossless compression.
  7. 7th January 1994State the condition that must be met before a binary search can be used on an array.
  8. 8th January 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.
  9. 9th January 1994Convert the hexadecimal number 3F to denary.
  10. 10th January 1994Which piece of network hardware connects a LAN to another network such as the internet, directing data packets based on IP address?
  11. 11th January 1994Name the translator used for assembly language and describe how it differs from a compiler.
  12. 12th January 1994Convert the denary number 45 to hexadecimal.
  13. 13th January 1994What does the acronym CPU stand for?
  14. 14th January 1994State what the term malware means.
  15. 15th January 1994Explain what happens if a program tries to read index 5 of an array declared with 5 elements.
  16. 16th January 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).
  17. 17th January 1994Which of RAM and ROM is volatile, meaning its contents are lost when the power is removed?
  18. 18th January 1994Which piece of UK legislation controls how organisations must store and use people's personal data?
  19. 19th January 1994Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
  20. 20th January 1994A programmer wants any syntax error in their program to be reported before the program starts running at all. State whether a compiler or an interpreter behaves this way, and explain why.
  21. 21st January 1994Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
  22. 22nd January 1994Define the term protocol.
  23. 23rd January 1994A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
  24. 24th January 1994A table called bookings has fields bookingId, customerName and eventDate. Write an SQL statement that deletes the booking with bookingId 45.
  25. 25th January 1994State one function carried out by the operating system of a computer.
  26. 26th January 1994In computational thinking, what is meant by the term 'decomposition'?
  27. 27th January 1994Given A = 1 and B = 1, state the value of A AND B.
  28. 28th January 1994Convert the denary number 39 to an 8-bit binary number, showing your working.
  29. 29th January 1994Define a peer-to-peer network.
  30. 30th January 1994Explain the purpose of a breakpoint.
  31. 31st January 1994Convert the denary number 5 to a 4-bit binary number.