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Daily Practice · GCSE Computer Science

January 1980 5-a-day

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January 1980

31 sheets · 155 questions · GCSE

January 1980 compilationAll answers

Every sheet in January 1980

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

  1. 1st January 1980Which of RAM and ROM is volatile, meaning its contents are lost when the power is removed?
  2. 2nd January 1980Which piece of UK legislation controls how organisations must store and use people's personal data?
  3. 3rd January 1980Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
  4. 4th January 1980State the correct order of the three operations used to read data from a text file.
  5. 5th January 1980Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
  6. 6th January 1980Give two reasons why network communication is divided into layers.
  7. 7th January 1980A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
  8. 8th January 1980A 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.
  9. 9th January 1980State one function carried out by the operating system of a computer.
  10. 10th January 1980In computational thinking, what is meant by the term 'decomposition'?
  11. 11th January 1980Given A = 1 and B = 1, state the value of A AND B.
  12. 12th January 1980Convert the denary number 200 to hexadecimal, showing your working.
  13. 13th January 1980Define a peer-to-peer network.
  14. 14th January 1980Explain why an interpreter is often preferred while a program is being written.
  15. 15th January 1980Convert the denary number 5 to a 4-bit binary number.
  16. 16th January 1980A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
  17. 17th January 1980A 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.
  18. 18th January 1980A 2D array grid is declared as grid[4][6]. State how many rows and columns it has and how many elements it holds in total.
  19. 19th January 1980A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
  20. 20th January 1980State the type of program that is typically stored in ROM.
  21. 21st January 1980State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
  22. 22nd January 1980A FOR loop runs: total = 0, FOR i = 1 TO 4, total = total + i, NEXT i. State the value of total after the loop finishes.
  23. 23rd January 1980State the pseudocode operator commonly used to join (concatenate) two strings, then show how it joins 'Rev' and 'ision' to produce 'Revision'.
  24. 24th January 1980State the typical maximum capacity of a single-layer DVD.
  25. 25th January 1980State the layer that IP operates in, and describe its job.
  26. 26th January 1980State what is meant by a syntax error.
  27. 27th January 1980Define the term 'primary key' as used in a database table.
  28. 28th January 1980What type of utility software reorganises files on a hard disk so fragmented parts are stored closer together?
  29. 29th January 1980Calculate the maximum number of comparisons required by a binary search on a sorted list of 512 items.
  30. 30th January 1980Given P = 0 and Q = 1, state the value of P OR Q.
  31. 31st January 1980Convert the 8-bit binary number 10110100 directly to hexadecimal by splitting it into nibbles.