Technical MCQ & Objective Questions
In today's competitive educational landscape, mastering the "Technical" subject is crucial for students preparing for school and competitive exams. Practicing MCQs and objective questions not only enhances your understanding but also boosts your confidence in tackling important questions during exams. Engaging with practice questions helps solidify concepts, making it easier to score better in assessments.
What You Will Practise Here
Fundamental concepts of mechanics and thermodynamics
Key formulas related to electrical circuits and systems
Definitions of important technical terms and principles
Diagrams illustrating key technical processes and systems
Theory areas covering electronics and communication
Problem-solving techniques for technical applications
Analysis of case studies relevant to technical scenarios
Exam Relevance
The "Technical" subject is a significant component of various examinations, including CBSE, State Boards, NEET, and JEE. Questions often focus on applying theoretical knowledge to practical situations, with common patterns including multiple-choice questions that test both conceptual understanding and problem-solving skills. Familiarity with these patterns through practice can greatly enhance your exam performance.
Common Mistakes Students Make
Misinterpreting technical terms and definitions
Overlooking the importance of units and conversions in calculations
Failing to apply theoretical concepts to practical problems
Rushing through diagrams without understanding their significance
FAQs
Question: How can I improve my performance in Technical MCQs?Answer: Regular practice with objective questions and understanding the underlying concepts will significantly enhance your performance.
Question: Are there specific resources for Technical objective questions with answers?Answer: Yes, many educational platforms, including SoulShift, provide curated practice questions tailored for exam preparation.
Don't wait any longer! Start solving practice MCQs today to test your understanding and prepare effectively for your exams. Your success in mastering "Technical" concepts is just a question away!
Q. What is the function of an operational amplifier (op-amp) in arithmetic operations?
A.
To perform addition and subtraction
B.
To amplify signals only
C.
To filter signals
D.
To convert digital signals to analog
Show solution
Solution
Op-amps can be configured to perform various arithmetic operations, including addition and subtraction.
Correct Answer:
A
— To perform addition and subtraction
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Q. What is the function of an operational amplifier in arithmetic operations?
A.
To perform addition and subtraction
B.
To amplify signals only
C.
To act as a voltage regulator
D.
To convert AC to DC
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Solution
Operational amplifiers can perform various arithmetic operations, including addition and subtraction.
Correct Answer:
A
— To perform addition and subtraction
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Q. What is the function of registers in a microprocessor?
A.
To store permanent data
B.
To hold temporary data and instructions
C.
To manage power supply
D.
To connect to external devices
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Solution
Registers are small storage locations within the microprocessor that hold temporary data and instructions for quick access during processing.
Correct Answer:
B
— To hold temporary data and instructions
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Q. What is the function of the 'TCON' register in the 8051?
A.
Timer control
B.
Interrupt control
C.
Serial communication
D.
Port control
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Solution
'TCON' is the timer control register that also manages interrupt control in the 8051 microcontroller.
Correct Answer:
B
— Interrupt control
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Q. What is the function of the bus in a microprocessor system?
A.
To store data
B.
To connect different components
C.
To execute instructions
D.
To manage power supply
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Solution
The bus in a microprocessor system serves to connect different components, allowing data and control signals to be transmitted between them.
Correct Answer:
B
— To connect different components
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Q. What is the function of the emitter in a BJT?
A.
To inject charge carriers
B.
To collect charge carriers
C.
To control the base current
D.
To provide biasing
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Solution
The emitter in a BJT is responsible for injecting charge carriers into the base region.
Correct Answer:
A
— To inject charge carriers
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Q. What is the function of the IP protocol in the TCP/IP model?
A.
To establish a connection between devices
B.
To route packets across networks
C.
To encrypt data for security
D.
To manage network congestion
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Solution
The IP protocol is responsible for routing packets across networks, determining the best path for data transmission.
Correct Answer:
B
— To route packets across networks
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Q. What is the function of the Network Interface layer in the TCP/IP model?
A.
To establish a connection between applications
B.
To manage data flow between devices
C.
To handle physical transmission of data
D.
To provide routing information
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Solution
The Network Interface layer handles the physical transmission of data over the network medium.
Correct Answer:
C
— To handle physical transmission of data
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Q. What is the function of the PSEN pin in the 8051 microcontroller?
A.
Program Store Enable
B.
Power Supply Enable
C.
Peripheral Select Enable
D.
Program Select Enable
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Solution
The PSEN pin is used for Program Store Enable in the 8051 microcontroller.
Correct Answer:
A
— Program Store Enable
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Q. What is the Gray code equivalent of the binary number 1101?
A.
1011
B.
1110
C.
1000
D.
1010
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Solution
To convert binary 1101 to Gray code, the first bit remains the same (1), and each subsequent bit is found by XORing the current bit with the previous bit: 1 XOR 1 = 0, 1 XOR 0 = 1, 0 XOR 1 = 1, resulting in Gray code 1011.
Correct Answer:
A
— 1011
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Q. What is the hexadecimal equivalent of the binary number 1010?
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Solution
The binary number 1010 is equivalent to A in the hexadecimal number system.
Correct Answer:
A
— A
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Q. What is the input impedance of an ideal op-amp?
A.
Zero
B.
Finite
C.
Infinite
D.
Depends on the configuration
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Solution
An ideal op-amp has infinite input impedance, which means it draws no current from the input source.
Correct Answer:
C
— Infinite
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Q. What is the main advantage of BiCMOS logic?
A.
High speed and low power
B.
Low cost
C.
Simplicity
D.
High noise margin
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Solution
BiCMOS combines the advantages of both bipolar and CMOS technologies, offering high speed and low power consumption.
Correct Answer:
A
— High speed and low power
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Q. What is the main advantage of BiCMOS over standard CMOS?
A.
Higher speed
B.
Lower cost
C.
Lower power consumption
D.
Simpler design
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Solution
BiCMOS combines the high speed of bipolar transistors with the low power consumption of CMOS, providing a significant speed advantage.
Correct Answer:
A
— Higher speed
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Q. What is the main advantage of dynamic routing over static routing?
A.
Easier to configure
B.
More secure
C.
Automatically adapts to network changes
D.
Requires less bandwidth
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Solution
Dynamic routing automatically adapts to network changes, making it more flexible than static routing.
Correct Answer:
C
— Automatically adapts to network changes
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Q. What is the main advantage of ECL over TTL?
A.
Lower power consumption
B.
Higher speed
C.
Higher noise margin
D.
Lower cost
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Solution
ECL (Emitter-Coupled Logic) is faster than TTL due to its unique design that allows for quicker signal transitions.
Correct Answer:
B
— Higher speed
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Q. What is the main advantage of normalization?
A.
Increased data redundancy
B.
Improved data integrity
C.
Faster query performance
D.
Simplified database design
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Solution
The main advantage of normalization is improved data integrity by reducing data redundancy and ensuring that data dependencies are properly enforced.
Correct Answer:
B
— Improved data integrity
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Q. What is the main advantage of using a clustered index?
A.
It allows for faster updates
B.
It stores data in a sorted order
C.
It reduces the need for normalization
D.
It can be created on any column
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Solution
A clustered index stores data in a sorted order based on the indexed column, which can significantly improve the performance of data retrieval.
Correct Answer:
B
— It stores data in a sorted order
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Q. What is the main advantage of using a D Flip-Flop over an SR Flip-Flop?
A.
Simplicity
B.
No invalid states
C.
Higher speed
D.
Lower power consumption
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Solution
The D Flip-Flop eliminates the invalid state issue present in the SR Flip-Flop, making it more reliable for data storage.
Correct Answer:
B
— No invalid states
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Q. What is the main advantage of using a Field Effect Transistor (FET) in memory applications?
A.
Higher power consumption
B.
Lower input impedance
C.
Higher input impedance
D.
More complex fabrication
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Solution
FETs have a higher input impedance, which makes them suitable for memory applications as they draw less current from the preceding stage.
Correct Answer:
C
— Higher input impedance
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Q. What is the main advantage of using a microcontroller with built-in ADC?
A.
Lower cost
B.
Higher speed
C.
Reduced complexity in design
D.
Increased power consumption
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Solution
Using a microcontroller with built-in ADC reduces complexity in design by eliminating the need for external ADC components.
Correct Answer:
C
— Reduced complexity in design
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Q. What is the main advantage of using a multiplexer in digital circuits?
A.
Reduces the number of data lines
B.
Increases the speed of data processing
C.
Simplifies circuit design
D.
All of the above
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Solution
Multiplexers help reduce the number of data lines, increase processing speed, and simplify circuit design.
Correct Answer:
D
— All of the above
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Q. What is the main advantage of using a parallel-in parallel-out shift register?
A.
Faster data processing
B.
Lower power consumption
C.
Simpler design
D.
Higher data capacity
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Solution
The main advantage of a parallel-in parallel-out shift register is faster data processing since all bits are entered simultaneously.
Correct Answer:
A
— Faster data processing
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Q. What is the main advantage of using a PLD over traditional logic circuits?
A.
Lower cost
B.
Higher power consumption
C.
Increased design time
D.
Flexibility in design
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Solution
PLDs offer flexibility in design, allowing for quick changes and adaptations compared to traditional fixed logic circuits.
Correct Answer:
D
— Flexibility in design
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Q. What is the main advantage of using a sigma-delta ADC?
A.
High speed
B.
Low power consumption
C.
High resolution
D.
Low cost
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Solution
Sigma-delta ADCs are known for their high resolution, making them suitable for precise measurements.
Correct Answer:
C
— High resolution
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Q. What is the main advantage of using a thyristor over a standard diode?
A.
Higher current rating
B.
Ability to control power
C.
Lower forward voltage drop
D.
Faster switching speed
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Solution
Thyristors can control power and are used in applications requiring switching.
Correct Answer:
B
— Ability to control power
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Q. What is the main advantage of using AC over DC for power transmission?
A.
AC is easier to generate
B.
AC can be easily transformed to higher voltages
C.
AC is safer
D.
AC is more efficient in small circuits
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Solution
AC can be easily transformed to higher voltages, making it more efficient for long-distance power transmission.
Correct Answer:
B
— AC can be easily transformed to higher voltages
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Q. What is the main advantage of using Alternating Current (AC) for power distribution?
A.
Easier to convert to DC
B.
Can be transmitted over long distances with less loss
C.
More efficient in small devices
D.
Safer for household use
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Solution
The main advantage of using Alternating Current (AC) for power distribution is that it can be transmitted over long distances with less loss.
Correct Answer:
B
— Can be transmitted over long distances with less loss
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Q. What is the main advantage of using Alternating Current (AC) for power transmission?
A.
Easier to convert to different voltages
B.
More efficient at low voltages
C.
Safer for household use
D.
Requires less insulation
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Solution
The main advantage of using Alternating Current (AC) for power transmission is that it is easier to convert to different voltages.
Correct Answer:
A
— Easier to convert to different voltages
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Q. What is the main advantage of using an ER model?
A.
It is easy to implement in SQL
B.
It provides a clear visual representation of data
C.
It eliminates the need for normalization
D.
It allows for complex queries
Show solution
Solution
The main advantage of using an ER model is that it provides a clear visual representation of data and relationships.
Correct Answer:
B
— It provides a clear visual representation of data
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