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Daily Practice · GCSE Computer Science

July 1972 5-a-day

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July 1972

31 sheets · 155 questions · GCSE

July 1972 compilationAll answers

Every sheet in July 1972

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 1972What does the acronym CPU stand for?
  2. 2nd July 1972State what the term malware means.
  3. 3rd July 1972Write a loop in pseudocode that outputs every element of a 1D array named names of length 6.
  4. 4th July 1972An 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).
  5. 5th July 1972Which of RAM and ROM is volatile, meaning its contents are lost when the power is removed?
  6. 6th July 1972Which piece of UK legislation controls how organisations must store and use people's personal data?
  7. 7th July 1972Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
  8. 8th July 1972State the correct order of the three operations used to read data from a text file.
  9. 9th July 1972Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
  10. 10th July 1972A 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?
  11. 11th July 1972A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
  12. 12th July 1972A 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.
  13. 13th July 1972State one function carried out by the operating system of a computer.
  14. 14th July 1972In computational thinking, what is meant by the term 'decomposition'?
  15. 15th July 1972Given A = 1 and B = 1, state the value of A AND B.
  16. 16th July 1972Convert the denary number 200 to hexadecimal, showing your working.
  17. 17th July 1972Define a peer-to-peer network.
  18. 18th July 1972Name the translator used for assembly language and describe how it differs from a compiler.
  19. 19th July 1972Convert the denary number 5 to a 4-bit binary number.
  20. 20th July 1972A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
  21. 21st July 1972A 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.
  22. 22nd July 1972Explain what happens if a program tries to read index 5 of an array declared with 5 elements.
  23. 23rd July 1972A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
  24. 24th July 1972State the type of program that is typically stored in ROM.
  25. 25th July 1972State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
  26. 26th July 1972A FOR loop runs: total = 0, FOR i = 1 TO 4, total = total + i, NEXT i. State the value of total after the loop finishes.
  27. 27th July 1972State the pseudocode operator commonly used to join (concatenate) two strings, then show how it joins 'Rev' and 'ision' to produce 'Revision'.
  28. 28th July 1972State the typical maximum capacity of a single-layer DVD.
  29. 29th July 1972Define the term protocol.
  30. 30th July 1972State what is meant by a syntax error.
  31. 31st July 1972Define the term 'primary key' as used in a database table.