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Daily Practice · GCSE Computer Science

July 1967 5-a-day

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July 1967

31 sheets · 155 questions · GCSE

July 1967 compilationAll answers

Every sheet in July 1967

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

  1. 1st July 1967Which piece of network hardware connects a LAN to another network such as the internet, directing data packets based on IP address?
  2. 2nd July 1967Explain the purpose of a breakpoint.
  3. 3rd July 1967Convert the denary number 45 to hexadecimal.
  4. 4th July 1967What does the acronym CPU stand for?
  5. 5th July 1967State what the term malware means.
  6. 6th July 1967Explain why a running maximum should be initialised to the first element of the array rather than to 0.
  7. 7th July 1967An 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).
  8. 8th July 1967Which of RAM and ROM is volatile, meaning its contents are lost when the power is removed?
  9. 9th July 1967Which piece of UK legislation controls how organisations must store and use people's personal data?
  10. 10th July 1967Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
  11. 11th July 1967State the correct order of the three operations used to read data from a text file.
  12. 12th July 1967Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
  13. 13th July 1967Name the four layers of the TCP/IP model in order from the one closest to the user.
  14. 14th July 1967A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
  15. 15th July 1967A table called products has fields productId, name, price and stock. Write an SQL statement that changes the price of the product with productId 7 to 15.99.
  16. 16th July 1967State one function carried out by the operating system of a computer.
  17. 17th July 1967In computational thinking, what is meant by the term 'decomposition'?
  18. 18th July 1967Given A = 1 and B = 1, state the value of A AND B.
  19. 19th July 1967Convert the denary number 200 to hexadecimal, showing your working.
  20. 20th July 1967Define a peer-to-peer network.
  21. 21st July 1967A 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.
  22. 22nd July 1967Convert the denary number 5 to a 4-bit binary number.
  23. 23rd July 1967A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
  24. 24th July 1967A 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.
  25. 25th July 1967An array named temps holds 12 values. State the index of the first item and the index of the last item.
  26. 26th July 1967A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
  27. 27th July 1967State the type of program that is typically stored in ROM.
  28. 28th July 1967State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
  29. 29th July 1967A FOR loop runs: total = 0, FOR i = 1 TO 4, total = total + i, NEXT i. State the value of total after the loop finishes.
  30. 30th July 1967State the pseudocode operator commonly used to join (concatenate) two strings, then show how it joins 'Rev' and 'ision' to produce 'Revision'.
  31. 31st July 1967State the typical maximum capacity of a single-layer DVD.