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Daily Practice · GCSE Computer Science

March 1998 - GCSE Computer Science 5-a-day

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March 1998

31 sheets · 155 questions · GCSE

March 1998 compilationAll answers

Every sheet in March 1998

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 1998State the key difference between a procedure and a function.
  2. 2nd March 1998State the typical maximum capacity of a single-layer DVD.
  3. 3rd March 1998State the difference between HTTP and HTTPS, and give one situation where HTTPS is essential.
  4. 4th March 1998State what is meant by a syntax error.
  5. 5th March 1998Give one advantage of a relational database over a flat-file database.
  6. 6th March 1998What type of utility software reorganises files on a hard disk so fragmented parts are stored closer together?
  7. 7th March 1998Calculate the maximum number of comparisons required by a binary search on a sorted list of 512 items.
  8. 8th March 1998Given P = 0 and Q = 1, state the value of P OR Q.
  9. 9th March 1998Convert the hexadecimal number 3F to denary.
  10. 10th March 1998A 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.
  11. 11th March 1998State why a program written in a high level language must be translated.
  12. 12th March 1998Convert the 4-bit binary number 1101 to denary.
  13. 13th March 1998Two 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.
  14. 14th March 1998State why an organisation might employ penetration testers to test its network.
  15. 15th March 1998Describe what a nested loop does when it processes a 2D array.
  16. 16th March 1998State one example of a file format that commonly uses lossy compression.
  17. 17th March 1998State how many bits are in one byte, and how many bytes are in one kibibyte (KiB).
  18. 18th March 1998State whether the source code of proprietary (closed source) software is normally available for the public to view.
  19. 19th March 1998Write one line of pseudocode that converts the string stored in heightInput into a real number and stores it in a variable called height.
  20. 20th March 1998A 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.
  21. 21st March 1998Order these units of data from smallest to largest: megabyte, byte, gigabyte, kilobyte.
  22. 22nd March 1998Give two reasons why network communication is divided into layers.
  23. 23rd March 1998Give one example of erroneous test data for a field that only accepts whole numbers from 1 to 10.
  24. 24th March 1998A table called bookings has fields bookingId, customerName and eventDate. Write an SQL statement that deletes the booking with bookingId 45.
  25. 25th March 1998Each 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.
  26. 26th March 1998Which flowchart symbol shape is used to represent a decision point (e.g. a yes/no branch)?
  27. 27th March 1998State the two values a Boolean data type can hold.
  28. 28th March 1998Convert the denary number 39 to an 8-bit binary number, showing your working.
  29. 29th March 1998Calculate the number of cables needed to connect 8 computers in a full mesh topology, where every computer connects directly to every other computer.
  30. 30th March 1998Explain why an interpreter is often preferred while a program is being written.
  31. 31st March 1998Convert the hexadecimal number 1A to denary.