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Daily Practice · GCSE Computer Science

March 1958 5-a-day

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March 1958

31 sheets · 155 questions · GCSE

March 1958 compilationAll answers

Every sheet in March 1958

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

  1. 1st March 1958Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
  2. 2nd March 1958Give two reasons why network communication is divided into layers.
  3. 3rd March 1958A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
  4. 4th March 1958A 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 March 1958State one function carried out by the operating system of a computer.
  6. 6th March 1958In computational thinking, what is meant by the term 'decomposition'?
  7. 7th March 1958Given A = 1 and B = 1, state the value of A AND B.
  8. 8th March 1958State how many different values can be represented using 5 bits, and explain your reasoning.
  9. 9th March 1958Define a peer-to-peer network.
  10. 10th March 1958Explain why an interpreter is often preferred while a program is being written.
  11. 11th March 1958Convert the denary number 5 to a 4-bit binary number.
  12. 12th March 1958A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
  13. 13th March 1958A 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 March 1958A 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.
  15. 15th March 1958A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
  16. 16th March 1958State the type of program that is typically stored in ROM.
  17. 17th March 1958State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
  18. 18th March 1958A 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 March 1958State the key difference between a procedure and a function.
  20. 20th March 1958State the typical maximum capacity of a single-layer DVD.
  21. 21st March 1958State the layer that IP operates in, and describe its job.
  22. 22nd March 1958State what is meant by a syntax error.
  23. 23rd March 1958Give one advantage of a relational database over a flat-file database.
  24. 24th March 1958What type of utility software reorganises files on a hard disk so fragmented parts are stored closer together?
  25. 25th March 1958Calculate the maximum number of comparisons required by a binary search on a sorted list of 512 items.
  26. 26th March 1958Given P = 0 and Q = 1, state the value of P OR Q.
  27. 27th March 1958Convert the hexadecimal number 3F to denary.
  28. 28th March 1958A 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 March 1958Describe what syntax highlighting is and how it helps a programmer.
  30. 30th March 1958Convert the 4-bit binary number 1101 to denary.
  31. 31st March 1958Two 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.