Data Communication and Networking: LAN, WAN, MAN, and network topologies.
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| Feature | English Medium (2026 Edition) | Hindi Medium (2025 Edition) | | :--- | :--- | :--- | | | Shaifali Saini | Shaifali Saini, Shubham Sharma, Vandana Saini | | No. of Pages | 200 pages | 198 pages | | Key Features | Free 15 online tests | Free 15 online tests | | Approx. Price | Rs. 110 - Rs. 150 | Rs. 120 - Rs. 160 | | Availability | Widely available online and in stores | Widely available online and in stores | Data Communication and Networking: LAN, WAN, MAN, and
| Resource | Format | Best For | | :--- | :--- | :--- | | | Free Govt PDF | Building absolute foundations. | | R.S. Aggarwal – Objective Computer Awareness | Physical Book | More practice questions than Arihant. | | Kiran’s Computer Awareness | Physical/PDF | SSC & Railway specific. | | YouTube (Adda247, Unacademy) | Free Video | Visual explanation of tricky topics (e.g., OSI Model). | | Daily Current Affairs (GK Today) | Free Website | Latest tech news (6G, Chatbots, etc.). | Price | Rs
The strength of this book lies in its well-structured, chapter-wise syllabus that aligns with the latest exam patterns. Here is a typical breakdown of the topics you can expect to master:
It includes a mix of theoretical knowledge and objective questions. The "Check Your Revision" sections help in self-assessment. Key Topics Covered in the Book
If you are looking for the Arihant Computer Awareness PDF, here are the core modules you can expect to master: