HSC 2027 ELECTRONICS 1 MOST IMPORTANT QUESTIONS
CHAPTER 6 INTEGRATED CIRCUITS
1. EXPLAIN FSK USING IC 555
2. EXPLAIN MONOSTABLE TIMER USING IC 555
3. IC 555 AS MONOSTABLE MULTIVIBRATOR
4. IC 555 AS ASTABLE MULTIVIBRATOR
5. 6 APPLICATIONS OF IC 555
6. INTERNAL BLOCK DIAGRAM OF IC 555 AND ITS WORKING
7. EXPLAIN VOLTAGE REGULATOR USING IC LM317
8. PIN DIAGRAM OF IC 741 WITH FUNCTIONS OF EACH PIN
9. PIN DIAGRAM OF IC 555 WITH FUNCTION OF EACH PIN
10. EXPLAIN IC 555 AS PAM AND PPM.
HSC 2027 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
HSC 2027 ELECTRONICS 1 MOST IMPORTANT QUESTIONS
CHAPTER 4 OPERATIONAL AMPLIFIERS
1. BLOCK DIAGRAM OF OPAMP AND FUNCTION OF EACH BLOCK
2. STATE 6 IDEAL CHARACTERISTICS OF OPAMP
3. EXPLAIN ALL PARAMETERS OF OPAMP
4. APPLICATIONS OF LINEAR AND NON LINEAR OPAMP
5. EXPLAIN WORKING OF INVERTING OPAMP
6. EXPLAIN OPAMP AS COMPARATOR , BUFFER
7. EXPLAIN OPAMP AS INTEGRATOR , BUFFER
8. CIRCUIT DIAGRAM OF NON INVERTING OPAMP
9. EXPLAIN OPAMP AS SUBSTRACTOR ,SCHMITT TRIGGER
10. EXPLAIN FREQUENCY RESPONSE CURVE OF OPAMP
11. DIFFERENT TYPE OF VOLTAGE COMPARATORS
12. OPAMP AS VOLTAGE COMPARATOR , SIGN CHANGER
13. DRAW THE SYMBOL OF OPAMP.
HSC 2027 ELECTRONICS 1 MOST IMPORTANT QUESTIONS
CHAPTER 3 TRANSDUCERS
1. EXPLAIN WORKING OF LVDT WITH DIAGRAM & GIVE 2 USES
2. WHAT ARE ACTIVE TRANSDUCERS . WHAT ARE OPTPCOUPLERS
3. WHAT IS TRANSDUCER. EXPLAIN ACTIVE & PASSIVE TRANSDUCERS
4. EXPLAIN WORKING OF THERMISTOR. GIVE ITS 2 APPLICATIONS
5. EXPLAIN WORKING OF PIEZOELECTRIC TRANSDUCER
6. WHAT IS PIEZOELECTRIC EFFECT
7. EXPLAIN WORKING OF OCTOCOUPLER TRANSDUCER
8. WRITE SHORT NOTE ON THERMISTOR , LDR
9. FACTORS TO BE CONSIDERED WHILE SELECTING TRANSDUCER
10. GIVE 2 EXAMPLES OF SOUND,PRESSURE,LIGHT TRANSDUCERS
11. EXPLAIN WORKING OF CAPACITIVE TRANSDUCERS
12. GIVE 2 EXAMPLES OF TEMPERATURE TRANSDUCER
13. WHAT IS DISPLACEMENT TRANSDUCER
HSC 2027 ELECTRONICS 1 MOST IMPORTANT QUESTIONS
CHAPTER 2 POWER SUPPLIES
1. EXPLAIN CHARACTERISTICS OF POWER SUPPLY
2. DRAW BLOCK DIAGRAM OF REGULATED POWER SUPPLY WITH FUNCTION OF EACH BLOCK
3. COMPARE HALFWAVE AND FULLWAVE RECTIFIER
4. WORKING OF CENTERTAP FULL WAVE RECTIFIER
5. WORKING OF HALFWAVE RECTIFIER
6. ADVANTAGES OF BRIDGE RECTIFIER OVER CENTERTAP RECTIFIER
7. WORKING OF VOLTAGE RECTIFIER USING ZENER DIODE
8. EXPLAIN LINE AND LOAD REGULATION AND RIPPLE REJECTION
9. EXPLAIN 3 TERMINAL IC VOLATAGE REGULATOR WITH ADVANTAGES
10. EXPLAIN TRANSISTORISED SERIES VOLTAGE REGULATOR
11. EXPLAIN VOLTAGE REGULATOR USING SERIES PASS TRANSISTOR
12. EXPLAIN 3 TERMINAL FIXED VOLTAGE REGULATOR
13. USE OF LM 317 AS ADJUSTABLE VOLTAGE REGULATOR
14. WORKING OF INDUCTOR INPUT FILTER
15. WORKING OF RC FILTER FOR REDUCING RIPPLE
16. WORKING OF RC AND LC FILTERS
17. WORKING OF RC FILTERS WITH ITS DISADVANTAGES
18. WORKING OF SMPS WITH BLOCK DIAGRAM
19. EXPLAIN BASIC IDEA OF SWITCHED MODE POWER SUPPLY.
HSC 2027 ELECTRONICS 1 MOST IMPORTANT QUESTIONS
CHAPTER 1 INSTRUMENTS
1. DRAW NEAT DIAGRAM OF CRT AND EXPLAIN EACH ELECTRODE IN IT
2. EXPLAIN ELECTROSTATIC FOCUSSING SYSTEM OF CRT
3. TYPES OF DEFLECTION SYSTEM IN CRT
4. USE OF AQUADAG COATING IN CRT
5. WRITE A SHORT NOTE ON SCREENS
6. BLOCK DIAGRAM OF CRO WITH FUNCTION OF EACH BLOCK
7. STATE AND GIVE USES OF ALL CONTROLS OF CRO
8. FUNCTION OF DELAY LINE AND BLANKING CIRCUIT IN CRO
9. EXPLAIN USE OF CRO FOR FREQUENCY, PHASE
10. EXPLAIN USE OF CRO FOR LISSJAOUS FIGURES
11. EXPLAIN HOW CRO DISPLAYS A WAVEFORM
12. EXPLAIN USE OF CRO FOR MEASUREMENT OF AC & DC VOLTAGE
13. STATE ANY 6 APPLICATIONS OF CRO
14. EXPLAIN WORKING OF FUNCTION GENERATOR WITH NEAT DIAGRAM
15. EXPLAIN WORKING OF TIME BASE GENERATOR WITH DIAGRAM
16. EXPLAIN DMM WITH A NEAT DIAGRAM WITH FUNCTION OF EACH BLOCK
17. ADVANTAGES OF DMM OVER ANALOG MULTIMETER
HSC 2026 ELECTRONICS 2 MOST IMPORTANT QUESTIONS CHAPTER 7
COMPUTER FUNDAMENTALS
1. BLOCK DIAGRAM OF DIGITAL COMPUTER WITH FUNCTION OF EACH BLOCK.
2. EXPLAIN ALL INPUT DEVICES OF COMPUTER.
3. WRITE A NOTE ON CPU.
4. EXPLAIN ALL OUTPUT DEVICES OF DIGITAL COMPUTER
5. EXPLAIN ADDRESS BUS ,DATA BUS ,CONTROL BUS
6. EXPLAIN COM , PLOTTER ,IMPACT & NON IMPACT PRINTER
7. EXPLAIN RAM ,ROM, EPROM , EEPROM
8. EXPLAIN SEMICONDUCTOR MEMORIES
9. EXPLAIN PRIMARY AND SECONDARY MEMORY.