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Daily Practice · GCSE Computer Science

September 1955 5-a-day

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September 1955

30 sheets · 150 questions · GCSE

September 1955 compilationAll answers

Every sheet in September 1955

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

  1. 1st September 1955Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
  2. 2nd September 1955State the layer that IP operates in, and describe its job.
  3. 3rd September 1955A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
  4. 4th September 1955A table called books has fields bookId, title, authorId and copiesAvailable. Write an SQL statement that selects the title of every book with more than 2 copies available.
  5. 5th September 1955State one function carried out by the operating system of a computer.
  6. 6th September 1955In computational thinking, what is meant by the term 'decomposition'?
  7. 7th September 1955Given A = 1 and B = 1, state the value of A AND B.
  8. 8th September 1955State how many different values can be represented using 5 bits, and explain your reasoning.
  9. 9th September 1955Define a peer-to-peer network.
  10. 10th September 1955Describe what syntax highlighting is and how it helps a programmer.
  11. 11th September 1955Convert the denary number 5 to a 4-bit binary number.
  12. 12th September 1955A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
  13. 13th September 1955A 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.
  14. 14th September 1955Trace 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).
  15. 15th September 1955A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
  16. 16th September 1955State the type of program that is typically stored in ROM.
  17. 17th September 1955State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
  18. 18th September 1955A FOR loop runs: total = 0, FOR i = 1 TO 4, total = total + i, NEXT i. State the value of total after the loop finishes.
  19. 19th September 1955State the key difference between a procedure and a function.
  20. 20th September 1955State the typical maximum capacity of a single-layer DVD.
  21. 21st September 1955Explain the role of TCP when a large file is downloaded.
  22. 22nd September 1955State what is meant by a syntax error.
  23. 23rd September 1955Give one advantage of a relational database over a flat-file database.
  24. 24th September 1955What type of utility software reorganises files on a hard disk so fragmented parts are stored closer together?
  25. 25th September 1955Calculate the maximum number of comparisons required by a binary search on a sorted list of 512 items.
  26. 26th September 1955Given P = 0 and Q = 1, state the value of P OR Q.
  27. 27th September 1955Convert the hexadecimal number 3F to denary.
  28. 28th September 1955A 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.
  29. 29th September 1955Give one advantage and one disadvantage of using a compiler.
  30. 30th September 1955Convert the 4-bit binary number 1101 to denary.