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Daily Practice · GCSE Computer Science

October 1997 - GCSE Computer Science 5-a-day

← Today's GCSE Computer Science sheet

October 1997

31 sheets · 155 questions · GCSE

October 1997 compilationAll answers

Every sheet in October 1997

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

  1. 1st October 1997Give one example of an optical secondary storage device.
  2. 2nd October 1997Name the four layers of the TCP/IP model in order from the one closest to the user.
  3. 3rd October 1997State the term used for realistic data that a program would be expected to handle during normal use.
  4. 4th October 1997Give one advantage of a relational database over a flat-file database.
  5. 5th October 1997State the difference between lossy and lossless compression.
  6. 6th October 1997State the condition that must be met before a binary search can be used on an array.
  7. 7th October 1997A 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 October 1997Convert the hexadecimal number 3F to denary.
  9. 9th October 1997Which piece of network hardware connects a LAN to another network such as the internet, directing data packets based on IP address?
  10. 10th October 1997A program compiles and runs but always outputs an average that is too small. State the type of error and explain why the translator did not report it.
  11. 11th October 1997Convert the denary number 45 to hexadecimal.
  12. 12th October 1997What does the acronym CPU stand for?
  13. 13th October 1997State what the term malware means.
  14. 14th October 1997An array named temps holds 12 values. State the index of the first item and the index of the last item.
  15. 15th October 1997An 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 October 1997Which of RAM and ROM is volatile, meaning its contents are lost when the power is removed?
  17. 17th October 1997Which piece of UK legislation controls how organisations must store and use people's personal data?
  18. 18th October 1997Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
  19. 19th October 1997A 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.
  20. 20th October 1997Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
  21. 21st October 1997State the difference between HTTP and HTTPS, and give one situation where HTTPS is essential.
  22. 22nd October 1997A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
  23. 23rd October 1997A table called bookings has fields bookingId, customerName and eventDate. Write an SQL statement that deletes the booking with bookingId 45.
  24. 24th October 1997State one function carried out by the operating system of a computer.
  25. 25th October 1997In computational thinking, what is meant by the term 'decomposition'?
  26. 26th October 1997Given A = 1 and B = 1, state the value of A AND B.
  27. 27th October 1997Convert the denary number 39 to an 8-bit binary number, showing your working.
  28. 28th October 1997Define a peer-to-peer network.
  29. 29th October 1997State why a program written in a high level language must be translated.
  30. 30th October 1997Convert the denary number 5 to a 4-bit binary number.
  31. 31st October 1997A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.