4.2.1

Question 1

What is Sequential Search (Linear Search)?

Answer 1

Go through each item one by one until you find the target or reach the end.
🔍 Simple, but slow for large lists.

Question 2

What is Binary Search?

Answer 2

Repeatedly divide a sorted list in half to find the target.
⚡ Much faster, but only works on sorted lists.

Question 3

What is Bubble Sort?

Answer 3

Compare and swap adjacent elements until the largest “bubbles” to the end.
🔁 Repeats until the list is sorted.

Question 4

What is Selection Sort?

Answer 4

Find the smallest element and move it to the front. Repeat for the rest.
✅ Builds the sorted list step by step.