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Daily Practice · GCSE Computer Science

June 1994 - GCSE Computer Science 5-a-day

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June 1994

30 sheets · 150 questions · GCSE

June 1994 compilationAll answers

Every sheet in June 1994

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 1994A FOR loop runs: total = 0, FOR i = 1 TO 4, total = total + i, NEXT i. State the value of total after the loop finishes.
  2. 2nd June 1994State the key difference between a procedure and a function.
  3. 3rd June 1994State the typical maximum capacity of a single-layer DVD.
  4. 4th June 1994Define the term protocol.
  5. 5th June 1994State what is meant by a syntax error.
  6. 6th June 1994Give one advantage of a relational database over a flat-file database.
  7. 7th June 1994What type of utility software reorganises files on a hard disk so fragmented parts are stored closer together?
  8. 8th June 1994Calculate the maximum number of comparisons required by a binary search on a sorted list of 512 items.
  9. 9th June 1994Given P = 0 and Q = 1, state the value of P OR Q.
  10. 10th June 1994Convert the hexadecimal number 3F to denary.
  11. 11th June 1994A 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.
  12. 12th June 1994Explain the purpose of a breakpoint.
  13. 13th June 1994Convert the 4-bit binary number 1101 to denary.
  14. 14th June 1994Two 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.
  15. 15th June 1994State why an organisation might employ penetration testers to test its network.
  16. 16th June 1994Explain why a running maximum should be initialised to the first element of the array rather than to 0.
  17. 17th June 1994State one example of a file format that commonly uses lossy compression.
  18. 18th June 1994State how many bits are in one byte, and how many bytes are in one kibibyte (KiB).
  19. 19th June 1994State whether the source code of proprietary (closed source) software is normally available for the public to view.
  20. 20th June 1994Write one line of pseudocode that converts the string stored in heightInput into a real number and stores it in a variable called height.
  21. 21st June 1994A programmer wants any syntax error in their program to be reported before the program starts running at all. State whether a compiler or an interpreter behaves this way, and explain why.
  22. 22nd June 1994Order these units of data from smallest to largest: megabyte, byte, gigabyte, kilobyte.
  23. 23rd June 1994Name the four layers of the TCP/IP model in order from the one closest to the user.
  24. 24th June 1994Give one example of erroneous test data for a field that only accepts whole numbers from 1 to 10.
  25. 25th June 1994A table called bookings has fields bookingId, customerName and eventDate. Write an SQL statement that deletes the booking with bookingId 45.
  26. 26th June 1994Each pair from the previous question is stored using 2 bytes. Calculate the compression ratio achieved, given the uncompressed row (1 byte per pixel) uses 8 bytes.
  27. 27th June 1994Which flowchart symbol shape is used to represent a decision point (e.g. a yes/no branch)?
  28. 28th June 1994State the two values a Boolean data type can hold.
  29. 29th June 1994Convert the denary number 39 to an 8-bit binary number, showing your working.
  30. 30th June 1994Calculate the number of cables needed to connect 8 computers in a full mesh topology, where every computer connects directly to every other computer.