HSC 2026 ELECTRONICS 1 MOST IMPORTANT QUESTIONS
CHAPTER 5 MODERN COMMUNICATIONS
1. WHAT IS MODULATION , COMPARE AM AND FM
2. EXPLAIN NEED OF MODULATION IN COMMUNICATIONS
3. IMPORTANCE OF MODULATION INDEX WITH WAVEFORMS
4. EXPLAIN MODEM WITH DIAGRAM AND STATE ITS USES
5. EXPLAIN AM AND FM WITH WAVEFORMS
6. MERITS OF FM OVER AM.WHAT IS FREQUENCY
7. EXPLAIN FREQUENCY DEVIATION ,GUARD BANDS IN FM
8. WHAT IS NETWORK TOPOLOGY
9. EXPLAIN BUS ,RING,STAR TOPOLOGY
10. EXPLAIN LAN ,MAN ,WAN
11. APPLICATIONS OF FIBER OPTIC CABLE
12. ADVANTAGES OF FIBER OPTIC OVER ELECTRICAL CABLE
13. 6 APPLICATIONS OF SATELLITE COMMUNICATIONS
14. WORKING OF SATELLITE AS RELAY STATIONS
15. MERITS AND DEMERITS OF GEOSYNC SATELLITES
16. BLOCK DIAGRAM OF CELLULAR RADIO WITH FUNCTION OF EACH BLOCK
17. CONCEPT OF CELLULAR RADIO WITH NEAT DIAGRAM
18. VARIOUS TYPES OF COMMUNICATION SYSTEMS
19. BLOCK DIAGRAM OF COMMUNICATION SYSTEM WITH FUNCTION OF EACH BLOCK
20. WORKING OF FAX MACHINE WITH DIAGRAM