1. What do TSV files use to separate data?

✔️ Tabs
❌ Topic
❌ Types

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2. What happens when you make a deep copy of an array?

✔️ You create a new instance of the array.
❌ Only an index
❌ Optimize memory

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3. Retrieving a value with index > size

✔️ It would throw an error.
❌ Return null
❌ Warning message

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4. What is a class?

✔️ A blueprint for an object.
❌ A type of array
❌ An object with functionality

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5. What are instance variables?

✔️ Characteristics of the class (attributes of an object).
❌ Immediate impact when compiled
❌ Many forms

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6. Children in a binary tree

✔️ 2
❌ 1
❌ 4

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7. FIFO approach

✔️ Queues
❌ Stacks (LIFO)
❌ Lists

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8. Meaning of synchronization

✔️ Only one process can access the data structure at a time.
❌ Increasing object size
❌ FCFS access

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9. Key characteristic of a tree

✔️ Every value descends from the root node.
❌ Root at bottom
❌ Leaf nodes must have ≥2 children

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10. Why are heaps called heaps?

✔️ Data is arranged loosely—elements are “heaped” together.
❌ Importance based on location
❌ Store many data types

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📘 Summary Table

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