Grok

Memory

How are data structures stored? As arrays or linked lists.

Data Structures

Traversal and access is what its all about.

Arrays

Continuous storage, which can be accessed randomly
Easy access.
Hard deletion (resize) and expansion.

Linked Lists

Non Contiguous in memory, linked by pointers.
Easy deletion and expansion.
Hard access.

Algorithms

Data structure and logic is what this is all about.