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

June 1997 - GCSE Computer Science 5-a-day

← Today's GCSE Computer Science sheet

June 1997

30 sheets · 150 questions · GCSE

June 1997 compilationAll answers

Every sheet in June 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 June 1997Which CPU register holds the address of the next instruction to be fetched?
  2. 2nd June 1997Distinguish between the network security threats known as phishing and pharming.
  3. 3rd June 1997An array named temps holds 12 values. State the index of the first item and the index of the last item.
  4. 4th June 1997A row of pixels is encoded using run-length encoding as: 3W 4B 3W. State the original row of pixels it represents.
  5. 5th June 1997A photo file is 3.5 MB in size. Calculate its size in kilobytes (KB). Use 1 MB = 1000 KB.
  6. 6th June 1997A streaming company records which shows each user watches and uses this to recommend similar shows. Explain one ethical concern this could raise, even if the company only uses the data to improve recommendations.
  7. 7th June 1997State the most appropriate data type for storing a person's shoe size if only whole sizes (e.g. 7, 8, 9) are allowed.
  8. 8th June 1997Give one specific way this code could be refined without changing what it does: a = 5, b = 3, c = a + b, PRINT c
  9. 9th June 1997Give one example of an optical secondary storage device.
  10. 10th June 1997State the difference between HTTP and HTTPS, and give one situation where HTTPS is essential.
  11. 11th June 1997State the term used for realistic data that a program would be expected to handle during normal use.
  12. 12th June 1997A table called members has fields memberId, firstName, lastName and joinYear. Write an SQL statement that adds a new record with memberId 12, firstName 'Priya', lastName 'Shah' and joinYear 2026.
  13. 13th June 1997State the difference between lossy and lossless compression.
  14. 14th June 1997State the condition that must be met before a binary search can be used on an array.
  15. 15th June 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.
  16. 16th June 1997Convert the hexadecimal number FF to an 8-bit binary number.
  17. 17th June 1997Which piece of network hardware connects a LAN to another network such as the internet, directing data packets based on IP address?
  18. 18th June 1997State why a program written in a high level language must be translated.
  19. 19th June 1997Convert the denary number 45 to hexadecimal.
  20. 20th June 1997What does the acronym CPU stand for?
  21. 21st June 1997State what the term malware means.
  22. 22nd June 1997Describe what a nested loop does when it processes a 2D array.
  23. 23rd June 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).
  24. 24th June 1997Which of RAM and ROM is volatile, meaning its contents are lost when the power is removed?
  25. 25th June 1997Which piece of UK legislation controls how organisations must store and use people's personal data?
  26. 26th June 1997Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
  27. 27th June 1997State the correct order of the three operations used to read data from a text file.
  28. 28th June 1997Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
  29. 29th June 1997Give two reasons why network communication is divided into layers.
  30. 30th June 1997A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.