HSC 2027 CHEMISTRY CHAPTER 4 THERMODYNAMICS MOST EXPECTED QUESTIONS

HSC 2027 CHEMISTRY CHAPTER 4 THERMODYNAMICS 

MOST EXPECTED QUESTIONS

1. WRITE THE MATHEMATICAL EQUATION FOR 1ST LAW OF THERMODYNAMICS  FOR ALL THERMODYNAMIC PROCESS

2. STATE THE 2ND LAW OF THERMODYNAMICS

3. DERIVE THE RELATION BETWEEN 📐H AND 📐U FOR GASEOUS PHASE 

4. STATE WHETHER ENTROPY CHANGE IS POSITIVE OR NEGATIVE FOR MELTING    OF  ICE , VAPORISATION OF LIQUID.

5. DEDUCE 1ST LAW OF THERMODYNAMICS FOR ISOTHERMAL AND ISOCHORIC     PROCESS

6. WRITE THE SIGN CONVENTION OF WORK DURING EXPANSION OF GASES

7. DERIVE THE EXPRESSION OF MAXIMUM WORK DONE IN ISOTHERMAL REVERSIBLE EXPANSION OF GAS 

8. DEFINE EXTENSIVE AND INTENSIVE PROPERTIES

9. DEFINE ISOBARIC AND ADIABATIC PROCESS

10. WRITE 2 STATEMENTS FOR FIRST LAW OF THERMODYNAMICS

11. STATE & EXPLAIN HESS LAW FOR CONSTANT HEAT SUMMATION

12. DEFINE ENTHALPHY OF SUBLIMATION

13. WRITE THE CORRECT CONDITION OF SPONTENITY IN TERMS OF GIBBS ENERGY

14. SIGN CONVENTION DURING EXPANSION OF GAS

15. WRITE ANY 2 APPLICATIONS OF HESS LAW

16. SOLVE ALL TEXTBOOK NUMERICALS 

HSC 2027 CHEMISTRY CHAPTER 3 IONIC EQUILIBRIA MOST EXPECTED QUESTIONS

HSC 2027 CHEMISTRY CHAPTER 3 IONIC EQUILIBRIA 

MOST EXPECTED QUESTIONS 

1. DEFINE COMMON ION EFFECT WITH EXAMPLE 

2. EXPLAIN AMPOTERIC NATURE OF WATER

3. DERIVE THE RELATION BETWEEN PH AND POH

4. DERIVE THE RELATION BETWEEN SOLUBLITY & SOLUBLITY PRODUCT FOR pbcl2

5. DEFINE SOLUBLITY PRODUCT . DEFINE CONJUGATE ACIDIC BASE PAIR

6. DEFINE ACIDIC BUFFER SOLUTION . DEFINE BUFFER SOLUTION

7. DERIVE THE EXPRESSION FOR OSTWALDS DILUTION LAW FOR WEAK ACID

8. EXPLAIN LEWIS THEORY OF ACIDS AND BASES

9. WHAT IS BUFFER SOLUTION

10. EXPLAIN MECHANISM OF BUFFER ACTION ON ACIDIC BUFFER

11. DEFINE ACIDS AND BASES ACCORDING TO BROWNSTED LOWRY THEORY

12. WHY DOES AQEOUS CUSO4 TURNS BLUE LITMUS RED

13. WRITE THE HENDERSON HASSELBACH EQUATION FOR ACIDIC BUFFER

14. 4 APPLICATIONS OF BUFFER SOLUTION 

15. EXPLAIN BUFFER ACTION OF SODIUM ACETATE ACETIC ACID BUFFER

16. SOLVE ALL TEXTBOOK NUMERICALS

HSC 2027 CHEMISTRY CHAPTER 2 SOLUTIONS MOST EXPECTED QUESTIONS

HSC 2027 CHEMISTRY CHAPTER 2 SOLUTIONS 

MOST EXPECTED QUESTIONS

1. WRITE THE CONDITION OF REVERSE OSMOSIS . STATE RAOULTS LAW.

2. WHAT IS OSMOTIC PRESSURE . DEFINE COLLIGATIVE PROPERTIES.

3. HOW TO DETERMINE MOLAR MASS OF SOLUTE FROM OSMOTIC PRESSURE

4. DEFINE EBULOSCOPIC AND CRYOSCOPIC CONSTANT

5. DEFINE OSMOSIS ,OSMOTIC PRESSURE  , MOLECULARITY OF REACTION

6. DEFINE ISOTONIC SOLUTION , WHAT IS FREEZING POINT OF LIQUID

7. STATE HENRYS LAW . DERIVE EQUATION OF RAOULTS LAW FOR BINARY SOLUTION.

8. HOW SOLUBLITY OF GAS VARIES WITH TEMPERATURE

9. DERIVE RELATION BETWEEN LOWERING VAPOUR PRESSURE AND MOLAR MASS OF SOLUTE

10. DERIVE RELATION BETWEEN LOWERING ELEVATION OF BOILING POINT  AND MOLAR MASS OF SOLUTE

11. DERIVE RELATION BETWEEN LOWERING VAPOUR PRESSURE AND MOLAR MASS OF NON VOLATILE SOLUTE

12. DERIVE EXPRESSION  TO CALCULATE MOLAR MASS OF A VOLATILE SOLUTE BY OSMOTIC PRESSURE MEASUREMENT

13. WRITE THE SI UNIT OF MOLAR CONDUCTIVITY ,CRYOSCOPIC CONSTANT

14. DEFINE HYPERTONIC AND HYPOTONIC SOLUTIONS

15. DEFINE MOLALITY. STATE  4 CONDITIONS FOR IDEAL SOLUTIONS

16. RELATION BETWEEN FREEZING POINT DEPRESSION & MOLAR MASS OF SOLUTE

17. RELATION BETWEEN  VANOFF FACTOR & DEGREE OF DISSOSIATION OF ELECTROLYTE

18. RELATION BETWEEN CONDUCTIVITY & MOLAR CONDUCTIVITY

19. SOLVE ALL TEXTBOOK NUMERICALS 

HSC 2027 ELECTRONICS 1 MOST EXPECTED QUESTIONS

HSC 2027 ELECTRONICS 1 MOST EXPECTED QUESTIONS

CHAPTER 1 CLICK HERE 👈👈👈

CHAPTER 2 CLICK HERE 👈👈👈

CHAPTER 3 CLICK HERE 👈👈👈

CHAPTER 4 CLICK HERE 👈👈👈

CHAPTER 5 CLICK HERE 👈👈👈

CHAPTER 6 CLICK HERE 👈👈👈

HSC 2027 ELECTRONICS 1 MOST IMPORTANT QUESTIONS CHAPTER 6 INTEGRATED CIRCUITS

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

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

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

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

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

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 EXPECTED QUESTIONS

HSC 2026 ELECTRONICS 2 MOST EXPECTED QUESTIONS

CHAPTER 1 CLICK HERE 👈👈👈

CHAPTER 2 CLICK HERE 👈👈👈

CHAPTER 3 CLICK HERE 👈👈👈

CHAPTER 4 CLICK HERE 👈👈👈

CHAPTER 5 CLICK HERE 👈👈👈

CHAPTER 6 CLICK HERE 👈👈👈

CHAPTER 7 CLICK HERE 👈👈👈

HSC 2027 ELECTRONICS 2 MOST IMPORTANT QUESTIONS CHAPTER 7 COMPUTER FUNDAMENTALS

HSC 2027 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.

HSC 2026 ELECTRONICS 2 MOST IMPORTANT QUESTIONS CHAPTER 6 A/D & D/A CONVERTERS

HSC 2027 ELECTRONICS 2 MOST IMPORTANT QUESTIONS CHAPTER 6 

A/D & D/A CONVERTERS

1. EXPLAIN COUNTER TYPE A/D CONVERTER

2. NEED OF A/D AND D/A CONVERTER

3. EXPLAIN SIMULTANEOUS TYPE A/D WITH DIAGRAM AND TRUTH TABLE

4. EXPLAIN SUCCESSIVE APPROXIMATION TYPE A/D CONVERTER

5. EXPLAIN WORKING OF WEIGHTED TYPE RESISTOR D/A CONVERTOR AND  WRITE ITS DISADVANTAGES

6. EXPLAIN WORKING OF R2R LADDER TYPE D/A CONVERTER

7. COMPARE WEIGHTED TYPE AND R2R D/A CONVERTER

8 .EXPLAIN 4 BIT R2R LADDER WITH EXPRESSION FOR O/P VOLTAGE

  

HSC 2026 ELECTRONICS 2 MOST IMPORTANT QUESTIONS CHAPTER 5 FLIPFLOP COUNTERS REGISTERS

HSC 2026 ELECTRONICS 2 MOST IMPORTANT QUESTIONS CHAPTER 5 

FLIPFLOP COUNTERS REGISTERS

1. EXPLAIN WORKING OF CLOCKED D FLIP FLOP

2. WORKING OF RS FLIP FLOP USING NAND GATES 

3. WORKING OF MASTER SLAVE JK FLIP FLOP.

4. EXPLAIN PRESET AND CLEAR IN FLIP FLOP.

5. EXPLAIN T FLIP FLOP.

6. WHAT IS TOGGLING 

7. WHAT IS MODULUS OF A COUNTER

8. HOW MANY FLIPFLOP ARE REQUIRED TO CONSTRUCT MOD 8,16,32 COUNTERS

9. WORKING OF 3 BIT SYNCHRONOUS COUNTER

10. WORKING OF MOD 16 ASYNCHRONOUS COUNTER

11. COMPARE SYNCHRONOUS AND ASYNCHRONOUS COUNTERS

12. WORKING OF RING COUNTER

13. EXPLAIN 3 BIT RIPPLE COUNTER

14. EXPLAIN DECADE COUNTER

15. WHAT IS PARALLEL COUNTER

16. EXPLAIN WORKING OF 4 BIT RIGHT SHIFT REGISTER

17. EXPLAIN WORKING OF 4 BIT LEFT SHIFT REGISTER

18. EXPLAIN CONCEPT OF 1 BIT MEMORY CELL .

HSC 2027 ELECTRONICS 2 MOST IMPORTANT QUESTIONS CHAPTER 4 MULTIPLEXERS

HSC 2027 ELECTRONICS 2 MOST IMPORTANT QUESTIONS

CHAPTER 4 MULTIPLEXERS

1. EXPLAIN 1:4 DEMULTIPLEXER WITH DIAGRAM AND TRUTH TABLE

2. EXPLAIN 4:1 MULTIPLEXER WITH DIAGRAM AND TRUTH TABLE

3. APPLICATIONS OF DEMULTIPLEXER

4. IMPLEMENT F(A,B,C) = M(2,4,5,7) USING MULTIPLEXER.

5. CONSTRUCT 16:1 MULTIPLEXER USING TWO 8:1 MULTIPLEXER.

6. ADVANTAGES OF MULTIPLEXER

7. COMPARE MULTIPLEXER AND DEMULTIPLEXER.

8. CONSTRUCT 4:1 MULTIPLEXER USING TWO 2:1 MULTIPLEXER.

9. WHAT IS DECODER EXPLAIN BCD TO DECIMAL DECODER

10. EXPLAIN BCD TO 7 SEGMENT DISPLAY USING IC 746

11. EXPLAIN BCD ENCODER

12. EXPLAIN ENCODER AND PRIORITY ENCODER.

13. EXPLAIN DECIMAL TO BCD ENCODER.

14. EXPLAIN BCD ENCODER USING 4 OR GATES.

HSC 2026 ELECTRONICS 2 MOST IMPORTANT QUESTIONS CHAPTER 3 LOGIC FAMILIES & IC

HSC 2026 ELECTRONICS 2 MOST IMPORTANT QUESTIONS

CHAPTER 3 LOGIC FAMILIES & IC

1. EXPLAIN TTL NOR GATE

2. EXPLAIN CMOS NOR GATE

3. EXPLAIN OPEN COLLECTOR  TTL NAND GATE

4. EXPLAIN TTL NAND GATE 

5. EXPLAIN CMOS INVERTER WITH DIAGRAM AND TRUTH TABLE

6. EXPLAIN TSL INVERTER CIRCUIT

7. EXPLAIN TTL INVERTER CIRCUIT

8. EXPLAIN TRI STATE LOGIC WITH DIAGRAM 

9. 4 CHARECTERISTICS OF DIGITAL IC

10. COMPARE TTL AND CMOS FAMILY

11. CLASSIFICATION OF LOGIC FAMILIES

12. EXPLAIN POWER DISSIPATION , FAN IN/OUT , NOISE MARGIN  

HSC 2027 ELECTRONICS 2 MOST IMPORTANT QUESTIONS CHAPTER 2 LOGIC GATES

HSC 2027 ELECTRONICS 2 MOST IMPORTANT QUESTIONS 

CHAPTER 2 (LOGIC GATES)

1. STATE AND PROVE DMORGANS THEOREM WITH TRUTH TABLE

2. PROVE USING BOOLEAN LAWS : A + A" B = A + B

3. EXPLAIN ALL BASIC GATES WITH DIAGRAM AND TRUTH TABLE

4. EXPLAIN NAND AND NOR GATES 

5. CONSTRUCT ALL BASIC GATES USING NAND GATE 

6. WHAT IS UNIVERSAL BUILDING BLOCK

7. COMPARE EXCLUSIVE AND INCLUSIVE OR GATE 

8. EXPLAIN 8 BIT CONTROLLED INVERTER USING EXOR GATE 

9. EXPLAIN  4 BIT  BINARY ADDER AND SUBSTRACTER 

10. EXPLAIN HALF ADDER AND FULL ADDER USING LOGIC GATES

11. EXPLAIN 4 BIT PARITY CHECKER . 

HSC 2027 ELECTRONICS 2 MOST IMPORTANT QUESTIONS CHAPTER 1 NUMBER SYSTEMS

HSC 2027 ELECTRONICS 2 MOST IMPORTANT QUESTIONS 

CHAPTER 1 NUMBER SYSTEMS

1. EXPLAIN DIFFERENT TYPES OF NUMBER SYSTEMS WITH THEIR RADIX

2. EXPLAIN 1S COMPLIMENT AND 2S COMPLIMENT WITH EXAMPLES

3. EXPLAIN HEXADECIMAL NUMBER SYSTEM.

4. CONVERT (AB9)hex to (   )binary.

5. EXPLAIN SUBSTRACTION USING 1S & 2S COMPLIMENT WITH EXAMPLES.

6. EXPLAIN ASCII ,BCD  AND EBCIDIC CODES.

7. EXPLAIN BINARY TO DECIMAL CONVERSION WITH EXAMPLE 

8. EXPLAIN VARIOUS CODES IN NUMBER SYSTEM.

9. CONVERT (12)decimal  TO BINARY .

10. CONVERT  (17)decimal to BCD.

11. EXPLAIN RULES OF BINARY ADDITION AND SUBSTRACTION 

12. EXPLAIN DOUBLE DABBLE METHOD 

13. EXPLAIN   LSB ,  MSB , BYTE ,  NIBBLE  

HSC 2026 ELECTRONICS 2 BOARD EXAM PAPER

 HSC 2026 ELECTRONICS 2 BOARD EXAM PAPER 

(1A)

1. IN ANY LOGIC FAMILY WHEN SPEED OF OPERATION IS INCREASED THE TOTAL AMOUNT OF POWER DISSIPATED IS ________________________

2. 1:64 DEMULTIPLEXER CAN BE DESIGNED WITH _________ SELECT LINES 

3. IN ____________ A/D CONVERTERS FOR HIGH RESOLUTION MANY COMPARATORS ARE NECESSARY 

4. TO PRODUCE GRAPHICAL IMAGES ____________ DEVICE IS USED.

(1B)

1. WRITE A SUITABLE EXAMPLE OF HEXADECIMAL TO DECIMAL CONVERSION 

2. DEFINE POWER DISSIPATION , FANIN/OUT,NIOSE MARGIN

3. EXPLAIN WORKING OF MASTER SLAVE JK FLIP-FLOP WITH DIAGRAM

(2A)

1.SOLVE (1110)2 - (0101)2

2.DRAW AND EXPLAIN BASIC CIRCUIT OF CMOS INVERTER 

3.DRAW CIRUIT DIAGRAM OF 4BIT RIGHT SHIFT REGISTER WITH D FLIPFLOP

(2B)  

1.STATE & PROVE DMORGANS THEOREM WITH TRUTH TABLE

2.EXPLAIN 4:1 MULTIPLEXER USING LOGIC GATES 

(3A)

1.DRAW AND EXPLAIN BASIC CIRCUIT OF TTL NOR GATE 

2.IMPLEMENT F(A,B,C) = M(2,4,5,7) USING MULTIPLEXER

3.EXPLAIN WORKING OF COUNTER TYPE A/D CONVERTER

(3B)

1.EXPLAIN WORKING OF 3BIT SYNC COUNTER WITH DIAGRAM.

2.BLOCK DIAGRAM OF DIGTAL COMPUTER WITH FUNCTION OF EACH BLOCK

(4A)

1. EXPLAIN 1S COMPLIMENT & 2S COMPLIMENT WITH EXAMPLES

2. EXPLAIN NAND AND NOR GATES IN BRIEF

3. WORKING OF CLOCKED RS FLIPFLOP USING NAND GATES 

(4B)

1. EXPLAIN 1:4 DEMULTIPLEXER WITH DIAGRAM, TT, 1 APPLICATION

2. EXPLAIN R2R LADDER TYPE D/A CONVERTER.

(5A)

1. EXPLAIN HEXADECIMAL SYSTEM .CONVERT(AB9)16 TO ( )2 

2. IMPLEMENT F1 = M(1,3,5,7)  , F2 = (2,4,6)

3. EXPLAIN RAM ,EPROM ,EEPROM

(5B)

1. PROVE A + A  .B = A + B

2. WHAT IS MODULUS OF A COUNTER

3. HOW TO FLIPFLOPS ARE REQUIRED TO CONSTRUCT MOD 8 ,16 ,32 COUNTER

(OR )

1. EXPLAIN DIFFERENT NUMBER SYSTEMS WITH RADIX

2. EXPLAIN HALF ADDER WITH LOGIC DIAGRAM AND TRUTH TABLE 

3. EXPLAIN WORKING OF CLOCKED D FLIP FLOP 

4. WHAT IS DECODER EXPLAIN BCD TO DECIMAL DECODER

5. EXPLAIN WEIGHTED REGISTER TYPE D/A CONVERTER

6. WRITE ITS DISADVANTAGES . 

     

 

Maharashtra hsc result 2026

 Maharashtra HSC result 2026

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