Computer Awareness Class 1 – Internet and Networking | RRB PO • RRB Clerk • NABARD Grade A

Welcome to WishWise Classes!
This video covers important Computer Awareness concepts designed specially for RRB PO, RRB Clerk, and NABARD Grade A exams.
Computer Awareness plays a major role in scoring high in these examinations, and this series covers the entire syllabus chapter-wise in simple, exam-oriented explanations.

📚 Complete Computer Awareness Syllabus Covered in This Series
1️⃣ Computer Basics & Fundamentals

Definition of computer, IPO cycle, characteristics, hardware/software, CPU, ALU, CU, types of computers, generations, number system basics, input-output devices, memory types.

2️⃣ Internet & Networking

Internet basics, email, WWW, browser, URL, cookies, cloud, social media;
Network types (LAN, MAN, WAN, PAN, CAN), topologies (star, ring, bus, mesh, hybrid), devices (hub, switch, router, modem, bridge, repeater), IP addressing, DNS, DHCP, protocols (HTTP/HTTPS, TCP/IP, FTP, SMTP, POP3, IMAP), Wi-Fi standards, 3G/4G/5G.

3️⃣ Operating Systems

Definition & functions, types of OS (batch, real-time, time-sharing, multi-user, distributed), GUI vs CUI, kernel & shell, booting process (BIOS, POST), FAT vs NTFS, process & memory management.

4️⃣ MS Office & Productivity Tools

MS Word, MS Excel (functions: SUM, IF, VLOOKUP), MS PowerPoint, shortcut keys, formatting tools, file handling.

5️⃣ Memory & Storage Devices

Primary memory (RAM/ROM), cache & registers, secondary storage (HDD, SSD, CD/DVD, Pen Drive), cloud storage, memory hierarchy, storage units (bit to TB).

6️⃣ Cybersecurity & Malware

Virus, worm, Trojan, ransomware, spyware; phishing, vishing; firewall, antivirus, encryption; digital signature, certificate; secure payments (OTP, tokenization, EMV chip).

7️⃣ Database Management (DBMS)

Data vs information, DBMS, RDBMS, SQL basics, keys (primary, foreign, candidate), normalization basics, data warehousing & mining.

8️⃣ Number System & Software Types

Binary-decimal conversions, types of software (system, application, utility, open-source), freeware/shareware.

9️⃣ Emerging Technologies

Cloud computing (IaaS, PaaS, SaaS), AI/ML, IoT, blockchain, big data, robotics, edge computing, virtualization.

🎯 Who Should Watch This Series?

✔ RRB PO
✔ RRB Clerk
✔ NABARD Grade A
✔ IBPS PO / Clerk
✔ SBI PO / Clerk
✔ LIC / NIACL / UIIC
✔ All aspirants preparing for Banking & Insurance exams

⭐ What You Will Get?

Complete chapter-wise Computer Awareness

Exam-focused explanations

Practice questions

PYQs asked in RRB & NABARD exams

Easy notes + MCQs for revision

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