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WJEC A-Level Computer Science Unit 3 Programming and System Development overview quiz quiz

15questions. Pick an answer and you'll see why right away.

  1. Which binary tree traversal outputs the nodes of a binary search tree in ascending order?

  2. In a singly linked list, each node holds data and:

  3. When grouping 1s on a Karnaugh map, each group must contain a number of cells equal to:

  4. Within a Karnaugh-map group, the variables that are eliminated are those that:

  5. Encapsulation in object-oriented programming means:

  6. Which paradigm describes what result is wanted rather than the step-by-step how?

  7. In which stage of the systems development life cycle are requirements gathered?

  8. Which methodology runs the life-cycle stages in a strict, one-way sequence?

  9. Black-box testing checks a program by:

  10. Which changeover method keeps the old system running alongside the new one as a fallback?

  11. Why is serial transmission generally preferred over parallel for long distances?

  12. What is the main benefit of organising network protocols into layers?

  13. An incremental backup copies:

  14. A single parity bit can:

  15. Which maintenance type adapts a system to run on a new operating system?