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

📝 Download Free Notes: https://unacademy.com/content/gate/cs... 👉AIMT: https://unacademy.onelink.me/nWi1/njp... 👉 Enroll Now for GATE 2027 and 2028 :- https://unacademy.com/goal/gate-csit-... 👉 Join Telegram Channel for GATE 2026 Crash Course: https://t.me/GATECSDACRASHCOURSE ✦✦✦✦✦✦✦✦✦✦✦✦✦✦✦✦✦✦✦✦✦✦ 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 🔴Complete Playlists You Must Watch: 🔹 Computer Networks by Ankit Doyla Sir (Full Course) 👉   • Computer Networks For GATE | Computer Netw...   🔹 C Programming Complete Playlist – Master C before DS 👉    • Pankaj Sharma Sir | Complete C Programming...   🔹 Discrete Mathematics Complete Playlist 👉    • Complete Discrete Mathematics – Zero to He...   🔹 Digital Logic Complete Playlist 👉   • Master Digital Logic for GATE 2026 | Basic...   ✦✦✦✦✦✦✦✦✦✦✦✦✦✦✦✦✦✦✦✦✦✦ 📕 𝐁𝐚𝐭𝐜𝐡/𝐂𝐨𝐮𝐫𝐬𝐞 𝐋𝐢𝐧𝐤𝐬: Start Date: 30th NOV'25 → Shiksha : Batch for GATE & PSUs 2027 - CSIT - 10.0 https://unacademy.com/batch/shiksha-b... → Foundation : Batch for GATE & PSUs 2028 - CSIT - 5.0 https://unacademy.com/batch/foundatio... → Shiksha : Batch for GATE & PSUs 2027 - DSAI - 6.0 https://unacademy.com/batch/shiksha-b... → Foundation : Batch for GATE & PSUs 2028 - DSAI - 2.0 https://unacademy.com/batch/foundatio... ✦✦✦✦✦✦✦✦✦✦✦✦✦✦✦✦✦✦✦✦✦✦ 👉All in one practice program batch - CS & IT - 2.0 subscription https://unacademy.com/goal/gate-csit-... 👉Crash Course for GATE & PSUs 2026 - CSIT subscription https://unacademy.com/goal/gate-csit-... 👉Crash Course for GATE & PSUs 2026 - DS & AI - 2.0 subscription https://unacademy.com/goal/gate-csit-... 📢Acharya Batch Mentored for Victory : Batch for UPPSC 2025 https://unacademy.com/store/batch/ach... 👉Rank Improvement : Batch for GATE, ESE & PSUs 2026 - CSIT https://unacademy.com/goal/gate-csit-... 👉Rank Improvement : Batch for GATE, ESE & PSUs 2026 - DSAI https://unacademy.com/goal/gate-csit-... 👉Elevate 2.0 Batch by Pankaj Sharma sir https://unacademy.com/goal/gate-csit-... 📖 DSAI Book every aspirant needs – now on Unacademy Store & Amazon, limited-time offer at just ₹999! 🔸 Unacademy Store: https://unacademy.com/goal/-/NVLIA/su... 🔸 Amazon: https://www.amazon.in/dp/9359511609 ✦✦✦✦✦✦✦✦✦✦✦✦✦✦✦✦✦✦✦✦✦✦ You can enroll in Unacademy Subscription and get the following benefits: ✅ Learn from India's Top Educators ✅ Dedicated DOUBT Solving Sessions ✅ Unlimited Access to Live Online Classes and Videos ✅ Real-time interaction with expert teachers ✅ Limited students in each class for better focus ✅ Download videos & watch them offline ✅ Access to Unlimited Mocks and Test Series ------------------------------------------------------------------- ▶ Unacademy App/Website: https://unacademy.com/goal/gate-csit-... https://unacademy.com/goal/gate-csit-... ▶ Unacademy Store: https://unacademy.com/goal/gate-csit-... https://unacademy.com/goal/gate-csit-... 📌 For any queries, call us on: 8585858585 🔔 Don’t forget to LIKE, SHARE, and SUBSCRIBE for career guidance and exam preparation #GATE2026 #COA #NumberSystems #GATEPYQs #BharatAcharyaSir #ComputerOrganization #ComputerArchitecture #GATEPreparation #GateCrashCourse #GATECS #GATEIT #GateClasses