AlgoCross

4. Which search algorithm works only on sorted arrays
6. Which memory speeds up CPU access by storing frequently used data
7. Which structure represents networks of connected nodes
9. Which structure is used to evaluate postfix expressions
11. Which architecture component transfers data between CPU and memory
13. Which self‑balancing binary search tree maintains height balance
14. Which keyword in Java declares exceptions a method may generate
15. Which keyword in Java is used for inheritance
16. Which C feature allows defining code snippets that expand during preprocessing
20. Which Java construct defines a contract of methods without implementation

1. Which structure stores elements in contiguous memory locations
2. Which C construct stores the address of another variable
3. Which structure is used to implement priority queues
5. Which fastest storage unit holds operands for CPU operations
8. Which sorting algorithm repeatedly swaps adjacent elements until sorted
10. Which keyword in Java defines a blueprint for objects
12. Which keyword in C preserves variable value across function calls
17. Which technique allows a function to call itself
18. Which keyword in C tells the compiler a variable may change unexpectedly
19. Which structure is used in round‑robin scheduling