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Daily Practice · GCSE Computer Science

April 1981 5-a-day

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April 1981

30 sheets · 150 questions · GCSE

April 1981 compilationAll answers

Every sheet in April 1981

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

  1. 1st April 1981Which of RAM and ROM is volatile, meaning its contents are lost when the power is removed?
  2. 2nd April 1981Which piece of UK legislation controls how organisations must store and use people's personal data?
  3. 3rd April 1981Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
  4. 4th April 1981State the correct order of the three operations used to read data from a text file.
  5. 5th April 1981Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
  6. 6th April 1981A 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?
  7. 7th April 1981A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
  8. 8th April 1981A 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 April 1981State one function carried out by the operating system of a computer.
  10. 10th April 1981In computational thinking, what is meant by the term 'decomposition'?
  11. 11th April 1981Given A = 1 and B = 1, state the value of A AND B.
  12. 12th April 1981Convert the denary number 200 to hexadecimal, showing your working.
  13. 13th April 1981Define a peer-to-peer network.
  14. 14th April 1981Name the translator used for assembly language and describe how it differs from a compiler.
  15. 15th April 1981Convert the denary number 5 to a 4-bit binary number.
  16. 16th April 1981A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
  17. 17th April 1981A 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 April 1981Explain what happens if a program tries to read index 5 of an array declared with 5 elements.
  19. 19th April 1981A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
  20. 20th April 1981State the type of program that is typically stored in ROM.
  21. 21st April 1981State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
  22. 22nd April 1981A 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 April 1981State the pseudocode operator commonly used to join (concatenate) two strings, then show how it joins 'Rev' and 'ision' to produce 'Revision'.
  24. 24th April 1981State the typical maximum capacity of a single-layer DVD.
  25. 25th April 1981Define the term protocol.
  26. 26th April 1981State what is meant by a syntax error.
  27. 27th April 1981Define the term 'primary key' as used in a database table.
  28. 28th April 1981What type of utility software reorganises files on a hard disk so fragmented parts are stored closer together?
  29. 29th April 1981Calculate the maximum number of comparisons required by a binary search on a sorted list of 512 items.
  30. 30th April 1981Given P = 0 and Q = 1, state the value of P OR Q.