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Daily Practice · GCSE Computer Science

April 1995 - GCSE Computer Science 5-a-day

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April 1995

30 sheets · 150 questions · GCSE

April 1995 compilationAll answers

Every sheet in April 1995

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

  1. 1st April 1995State the most appropriate data type for storing a person's shoe size if only whole sizes (e.g. 7, 8, 9) are allowed.
  2. 2nd April 1995State the key difference between a procedure and a function.
  3. 3rd April 1995Give one example of an optical secondary storage device.
  4. 4th April 1995State the difference between HTTP and HTTPS, and give one situation where HTTPS is essential.
  5. 5th April 1995State the term used for realistic data that a program would be expected to handle during normal use.
  6. 6th April 1995Give one advantage of a relational database over a flat-file database.
  7. 7th April 1995State the difference between lossy and lossless compression.
  8. 8th April 1995State the condition that must be met before a binary search can be used on an array.
  9. 9th April 1995A 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.
  10. 10th April 1995Convert the hexadecimal number 3F to denary.
  11. 11th April 1995Which piece of network hardware connects a LAN to another network such as the internet, directing data packets based on IP address?
  12. 12th April 1995State why a program written in a high level language must be translated.
  13. 13th April 1995Convert the denary number 45 to hexadecimal.
  14. 14th April 1995What does the acronym CPU stand for?
  15. 15th April 1995State what the term malware means.
  16. 16th April 1995Describe what a nested loop does when it processes a 2D array.
  17. 17th April 1995An 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).
  18. 18th April 1995Which of RAM and ROM is volatile, meaning its contents are lost when the power is removed?
  19. 19th April 1995Which piece of UK legislation controls how organisations must store and use people's personal data?
  20. 20th April 1995Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
  21. 21st April 1995A 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.
  22. 22nd April 1995Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
  23. 23rd April 1995Give two reasons why network communication is divided into layers.
  24. 24th April 1995A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
  25. 25th April 1995A table called bookings has fields bookingId, customerName and eventDate. Write an SQL statement that deletes the booking with bookingId 45.
  26. 26th April 1995State one function carried out by the operating system of a computer.
  27. 27th April 1995In computational thinking, what is meant by the term 'decomposition'?
  28. 28th April 1995Given A = 1 and B = 1, state the value of A AND B.
  29. 29th April 1995Convert the denary number 39 to an 8-bit binary number, showing your working.
  30. 30th April 1995Define a peer-to-peer network.