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Daily Practice · GCSE Computer Science

March 1963 5-a-day

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March 1963

31 sheets · 155 questions · GCSE

March 1963 compilationAll answers

Every sheet in March 1963

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 1963A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
  2. 2nd March 1963A 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.
  3. 3rd March 1963State one function carried out by the operating system of a computer.
  4. 4th March 1963In computational thinking, what is meant by the term 'decomposition'?
  5. 5th March 1963Given A = 1 and B = 1, state the value of A AND B.
  6. 6th March 1963State how many different values can be represented using 5 bits, and explain your reasoning.
  7. 7th March 1963Define a peer-to-peer network.
  8. 8th March 1963A program compiles and runs but always outputs an average that is too small. State the type of error and explain why the translator did not report it.
  9. 9th March 1963Convert the denary number 5 to a 4-bit binary number.
  10. 10th March 1963A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
  11. 11th March 1963A 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.
  12. 12th March 1963An array named temps holds 12 values. State the index of the first item and the index of the last item.
  13. 13th March 1963A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
  14. 14th March 1963State the type of program that is typically stored in ROM.
  15. 15th March 1963State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
  16. 16th March 1963A FOR loop runs: total = 0, FOR i = 1 TO 4, total = total + i, NEXT i. State the value of total after the loop finishes.
  17. 17th March 1963State the key difference between a procedure and a function.
  18. 18th March 1963State the typical maximum capacity of a single-layer DVD.
  19. 19th March 1963State the difference between HTTP and HTTPS, and give one situation where HTTPS is essential.
  20. 20th March 1963State what is meant by a syntax error.
  21. 21st March 1963Give one advantage of a relational database over a flat-file database.
  22. 22nd March 1963What type of utility software reorganises files on a hard disk so fragmented parts are stored closer together?
  23. 23rd March 1963Calculate the maximum number of comparisons required by a binary search on a sorted list of 512 items.
  24. 24th March 1963Given P = 0 and Q = 1, state the value of P OR Q.
  25. 25th March 1963Convert the hexadecimal number 3F to denary.
  26. 26th March 1963A 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.
  27. 27th March 1963State why a program written in a high level language must be translated.
  28. 28th March 1963Convert the 4-bit binary number 1101 to denary.
  29. 29th March 1963Two 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.
  30. 30th March 1963State why an organisation might employ penetration testers to test its network.
  31. 31st March 1963Describe what a nested loop does when it processes a 2D array.