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Daily Practice · GCSE Computer Science

June 1964 5-a-day

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June 1964

30 sheets · 150 questions · GCSE

June 1964 compilationAll answers

Every sheet in June 1964

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 1964State one function carried out by the operating system of a computer.
  2. 2nd June 1964In computational thinking, what is meant by the term 'decomposition'?
  3. 3rd June 1964Given A = 1 and B = 1, state the value of A AND B.
  4. 4th June 1964State how many different values can be represented using 5 bits, and explain your reasoning.
  5. 5th June 1964Define a peer-to-peer network.
  6. 6th June 1964Describe what syntax highlighting is and how it helps a programmer.
  7. 7th June 1964Convert the denary number 5 to a 4-bit binary number.
  8. 8th June 1964A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
  9. 9th June 1964A 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.
  10. 10th June 1964Trace this algorithm with data = [4, 9, 2, 9, 7] and state the final output. total = 0; count = 0; for i = 0 to 4: if data[i] > 5 then total = total + data[i] and count = count + 1; next i; print(total, count).
  11. 11th June 1964A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
  12. 12th June 1964State the type of program that is typically stored in ROM.
  13. 13th June 1964State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
  14. 14th June 1964A FOR loop runs: total = 0, FOR i = 1 TO 4, total = total + i, NEXT i. State the value of total after the loop finishes.
  15. 15th June 1964State the key difference between a procedure and a function.
  16. 16th June 1964State the typical maximum capacity of a single-layer DVD.
  17. 17th June 1964Explain the role of TCP when a large file is downloaded.
  18. 18th June 1964State what is meant by a syntax error.
  19. 19th June 1964Give one advantage of a relational database over a flat-file database.
  20. 20th June 1964What type of utility software reorganises files on a hard disk so fragmented parts are stored closer together?
  21. 21st June 1964Calculate the maximum number of comparisons required by a binary search on a sorted list of 512 items.
  22. 22nd June 1964Given P = 0 and Q = 1, state the value of P OR Q.
  23. 23rd June 1964Convert the hexadecimal number 3F to denary.
  24. 24th June 1964A network administrator is connecting 10 computers in a server room. Calculate the number of cables needed for a full mesh topology, and state the number needed for a star topology with one central switch.
  25. 25th June 1964Give one advantage and one disadvantage of using a compiler.
  26. 26th June 1964Convert the 4-bit binary number 1101 to denary.
  27. 27th June 1964Two CPUs are compared for a task optimised for multiple cores: CPU A has 2 cores at 4.2 GHz; CPU B has 6 cores at 3.0 GHz. Explain which CPU is likely to perform better for this task.
  28. 28th June 1964State why an organisation might employ penetration testers to test its network.
  29. 29th June 1964Write a loop in pseudocode that outputs every element of a 1D array named names of length 6.
  30. 30th June 1964State one example of a file format that commonly uses lossy compression.