शैक्षणिक प्रसारण के लिए दृश्य-श्रव्य (audio-visual) माध्यमों का उपयोग करने वाली भारत की पहली संवादात्मक, उपग्रह-आधारित दूरस्थ शिक्षा प्रणाली कौन सी है?

Which of the following statements regarding technologies and systems are correct? (1) Networked computers can save costs by sharing hardware, software, and data. (2) An intranet provides quick, effective communication with suppliers. (3) Wireless networks allow businesses to expand with less disruption than wired networks. (4) The internet can be used to monitor and measure customer interest.

Match each subject gateway with its correct institutional origin and subject focus: Gateways: A. SOSIG B. BIOME C. INFOPORT D. PSIgate Origins and Focuses: 1. Led by the University of Nottingham; covered Health, Medicine, and Life Sciences2. Developed by INFLIBNET Centre, Gandhinagar; focus on Indian Open Access scholarly content3. Established by the University of Bristol; covered social sciences using HASSET thesaurus4. Led by the University of Manchester; covered Physical Sciences, Chemistry, and Earth Sciences