COA 01 | Number Systems + GATE PYQs | GATE 2026 COA Crash Course | Bharat Acharya Sir

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Welcome to Lecture 01 of the GATE 2026 COA Crash Course with Bharat Acharya Sir, one of the most respected educators for Computer Organization & Architecture.

In this session, we cover Number Systems from basics to advanced with GATE Previous Year Questions (PYQs) to help you score full marks in COA.

📌 Topics Covered
✔ Number System Basics
✔ Binary, Octal, Decimal & Hexadecimal Conversions
✔ 1’s & 2’s Complement
✔ Signed & Unsigned Number Representation
✔ Range & Overflow
✔ GATE PYQs (2010–2024) Solved
✔ Tricks & Shortcut Methods

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