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Daily Practice · GCSE Computer Science

April 1996 - GCSE Computer Science 5-a-day

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April 1996

30 sheets · 150 questions · GCSE

April 1996 compilationAll answers

Every sheet in April 1996

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 1996A 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.
  2. 2nd April 1996State one function carried out by the operating system of a computer.
  3. 3rd April 1996In computational thinking, what is meant by the term 'decomposition'?
  4. 4th April 1996Given A = 1 and B = 1, state the value of A AND B.
  5. 5th April 1996Convert the denary number 200 to hexadecimal, showing your working.
  6. 6th April 1996Define a peer-to-peer network.
  7. 7th April 1996Explain the purpose of a breakpoint.
  8. 8th April 1996Convert the denary number 5 to a 4-bit binary number.
  9. 9th April 1996A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
  10. 10th April 1996A 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.
  11. 11th April 1996Explain why a running maximum should be initialised to the first element of the array rather than to 0.
  12. 12th April 1996A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
  13. 13th April 1996State the type of program that is typically stored in ROM.
  14. 14th April 1996State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
  15. 15th April 1996A FOR loop runs: total = 0, FOR i = 1 TO 4, total = total + i, NEXT i. State the value of total after the loop finishes.
  16. 16th April 1996State the pseudocode operator commonly used to join (concatenate) two strings, then show how it joins 'Rev' and 'ision' to produce 'Revision'.
  17. 17th April 1996State the typical maximum capacity of a single-layer DVD.
  18. 18th April 1996Name the four layers of the TCP/IP model in order from the one closest to the user.
  19. 19th April 1996State what is meant by a syntax error.
  20. 20th April 1996Define the term 'primary key' as used in a database table.
  21. 21st April 1996What type of utility software reorganises files on a hard disk so fragmented parts are stored closer together?
  22. 22nd April 1996Calculate the maximum number of comparisons required by a binary search on a sorted list of 512 items.
  23. 23rd April 1996Given P = 0 and Q = 1, state the value of P OR Q.
  24. 24th April 1996Convert the 8-bit binary number 10110100 directly to hexadecimal by splitting it into nibbles.
  25. 25th April 1996A 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.
  26. 26th April 1996A 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.
  27. 27th April 1996Convert the 4-bit binary number 1101 to denary.
  28. 28th April 1996Two 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.
  29. 29th April 1996State why an organisation might employ penetration testers to test its network.
  30. 30th April 1996An array named temps holds 12 values. State the index of the first item and the index of the last item.