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. In ER modeling, what does a diamond shape represent?
A.
Entity
B.
Attribute
C.
Relationship
D.
Weak entity
Show solution
Solution
In ER modeling, a diamond shape represents a relationship between entities.
Correct Answer:
C
— Relationship
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Q. In HDL, what does the term 'sensitivity list' refer to?
A.
A list of variables to be optimized
B.
A list of signals that trigger an event
C.
A list of modules in a design
D.
A list of test cases
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Solution
The sensitivity list refers to a list of signals that trigger an event in a process block, determining when the process should execute.
Correct Answer:
B
— A list of signals that trigger an event
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Q. In interfacing, what does PWM stand for?
A.
Pulse Width Modulation
B.
Pulse Wave Measurement
C.
Phase Width Modulation
D.
Pulse Wave Modulation
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Solution
PWM stands for Pulse Width Modulation, a technique used to control the power delivered to electrical devices.
Correct Answer:
A
— Pulse Width Modulation
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Q. In JDBC, which method is used to execute a SQL statement?
A.
executeQuery()
B.
runQuery()
C.
executeSQL()
D.
executeStatement()
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Solution
In JDBC, the method used to execute a SQL statement is 'executeQuery()'.
Correct Answer:
A
— executeQuery()
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Q. In MSI circuits, what does the term 'fan-out' refer to?
A.
Number of inputs
B.
Number of outputs a gate can drive
C.
Power consumption
D.
Size of the circuit
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Solution
Fan-out refers to the number of inputs that a single output can drive in a circuit.
Correct Answer:
B
— Number of outputs a gate can drive
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Q. In object-oriented data modeling, what is an 'object'?
A.
A collection of data and methods
B.
A single data entry in a database
C.
A type of database schema
D.
A relationship between entities
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Solution
In object-oriented data modeling, an object is a collection of data and methods that operate on that data.
Correct Answer:
A
— A collection of data and methods
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Q. In Object-Oriented Databases, what does 'inheritance' allow?
A.
Creating new classes based on existing ones
B.
Storing data in a flat structure
C.
Using only primitive data types
D.
Eliminating the need for relationships
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Solution
Inheritance allows for creating new classes based on existing ones, promoting code reuse and organization.
Correct Answer:
A
— Creating new classes based on existing ones
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Q. In OSPF, what is the purpose of the Area ID?
A.
To identify the router
B.
To segment the network
C.
To define the metric
D.
To establish neighbor relationships
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Solution
The Area ID in OSPF is used to segment the network into areas, which helps in reducing routing table size and improving efficiency.
Correct Answer:
B
— To segment the network
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Q. In semiconductor physics, what happens to the current in a parallel diode configuration when the temperature increases?
A.
Current decreases
B.
Current remains constant
C.
Current increases
D.
Current becomes zero
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Solution
In a parallel diode configuration, as the temperature increases, the current typically increases due to reduced barrier potential.
Correct Answer:
C
— Current increases
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Q. In semiconductor physics, what happens to the resistance of a diode when it is forward-biased?
A.
Resistance increases
B.
Resistance decreases
C.
Resistance remains constant
D.
Resistance becomes infinite
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Solution
When a diode is forward-biased, its resistance decreases, allowing current to flow easily.
Correct Answer:
B
— Resistance decreases
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Q. In semiconductor physics, what happens to the resistance of a diode when it is forward-biased in a series circuit?
A.
Resistance increases
B.
Resistance decreases
C.
Resistance remains constant
D.
Resistance becomes infinite
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Solution
When a diode is forward-biased, its resistance decreases, allowing current to flow easily through the series circuit.
Correct Answer:
B
— Resistance decreases
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Q. In semiconductor physics, what is a p-n junction?
A.
A type of transistor
B.
A boundary between p-type and n-type materials
C.
A method of signal modulation
D.
A type of capacitor
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Solution
A p-n junction is the interface between p-type and n-type semiconductor materials, crucial for diode operation.
Correct Answer:
B
— A boundary between p-type and n-type materials
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Q. In semiconductor physics, what is the purpose of doping?
A.
To increase the thermal conductivity
B.
To create p-type or n-type materials
C.
To enhance the mechanical strength
D.
To reduce the energy band gap
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Solution
Doping introduces impurities into a semiconductor to create p-type or n-type materials, enhancing conductivity.
Correct Answer:
B
— To create p-type or n-type materials
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Q. In semiconductor physics, what is the term for the energy gap between the valence band and the conduction band?
A.
Fermi level
B.
Band gap
C.
Conductivity
D.
Doping level
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Solution
The band gap is the energy difference between the valence band and the conduction band in semiconductors.
Correct Answer:
B
— Band gap
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Q. In small-signal analysis, what is the purpose of the small-signal model?
A.
To analyze large signal behavior
B.
To simplify circuit analysis for small variations
C.
To determine thermal characteristics
D.
To calculate power dissipation
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Solution
The small-signal model is used to simplify circuit analysis for small variations around a bias point.
Correct Answer:
B
— To simplify circuit analysis for small variations
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Q. In small-signal analysis, what is the small-signal model of a BJT primarily used for?
A.
To analyze large signal behavior
B.
To simplify circuit analysis
C.
To determine thermal characteristics
D.
To measure frequency response
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Solution
The small-signal model of a BJT simplifies circuit analysis by allowing linear approximations of the transistor's behavior.
Correct Answer:
B
— To simplify circuit analysis
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Q. In small-signal analysis, what is the small-signal model used for?
A.
To analyze large signal behavior
B.
To simplify the analysis of nonlinear devices
C.
To predict the behavior of linear circuits under small perturbations
D.
To measure power consumption
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Solution
The small-signal model is used to predict the behavior of linear circuits when small perturbations are applied.
Correct Answer:
C
— To predict the behavior of linear circuits under small perturbations
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Q. In small-signal models, how is a capacitor represented?
A.
As an open circuit
B.
As a short circuit
C.
As a resistor
D.
As a dependent source
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Solution
In small-signal models, capacitors are often represented as open circuits at DC steady state.
Correct Answer:
A
— As an open circuit
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Q. In small-signal models, what does the small-signal parameter 'gm' represent for BJTs?
A.
Transconductance
B.
Input resistance
C.
Output resistance
D.
Current gain
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Solution
'gm' represents transconductance, which is the ratio of the change in output current to the change in input voltage.
Correct Answer:
A
— Transconductance
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Q. In small-signal models, what does the term 'RL circuit' refer to?
A.
A circuit with resistors and capacitors
B.
A circuit with resistors and inductors
C.
A circuit with diodes and transistors
D.
A circuit with only resistors
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Solution
An RL circuit consists of resistors (R) and inductors (L), which are analyzed in small-signal models for their response to small input signals.
Correct Answer:
B
— A circuit with resistors and inductors
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Q. In small-signal models, what does the term 'small-signal' refer to?
A.
High-frequency signals
B.
Low-frequency signals
C.
Small variations around a bias point
D.
Signals with low power
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Solution
Small-signal refers to small variations around a bias point in a circuit.
Correct Answer:
C
— Small variations around a bias point
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Q. In SQL Server 2000, which command is used to create a new database?
A.
CREATE DATABASE
B.
NEW DATABASE
C.
ADD DATABASE
D.
MAKE DATABASE
Show solution
Solution
The command to create a new database in SQL Server 2000 is 'CREATE DATABASE'.
Correct Answer:
A
— CREATE DATABASE
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Q. In SQL, which clause is used to filter records after grouping?
A.
WHERE
B.
HAVING
C.
GROUP BY
D.
ORDER BY
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Solution
The HAVING clause is used to filter records after grouping in SQL.
Correct Answer:
B
— HAVING
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Q. In SQL, which command is used to create a new table?
A.
INSERT
B.
UPDATE
C.
CREATE
D.
ALTER
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Solution
The SQL command 'CREATE' is used to create a new table in the database.
Correct Answer:
C
— CREATE
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Q. In SQL, which command is used to modify existing records in a table?
A.
UPDATE
B.
MODIFY
C.
CHANGE
D.
ALTER
Show solution
Solution
The SQL command used to modify existing records in a table is 'UPDATE'.
Correct Answer:
A
— UPDATE
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Q. In STP, what is the purpose of the port states?
A.
To define the speed of the port
B.
To determine the role of the port in the topology
C.
To manage IP address assignments
D.
To encrypt data on the port
Show solution
Solution
Port states in STP (Blocking, Listening, Learning, Forwarding) determine the role of the port in the network topology.
Correct Answer:
B
— To determine the role of the port in the topology
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Q. In STP, what is the significance of the Bridge ID?
A.
It uniquely identifies a switch in the network
B.
It determines the speed of the connection
C.
It manages VLAN assignments
D.
It encrypts the data packets
Show solution
Solution
The Bridge ID uniquely identifies a switch in the network and is used in the STP calculations.
Correct Answer:
A
— It uniquely identifies a switch in the network
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Q. In STP, which device is elected as the root bridge?
A.
The device with the highest MAC address
B.
The device with the lowest MAC address
C.
The device with the highest bandwidth
D.
The device with the lowest bridge ID
Show solution
Solution
The root bridge is elected based on the lowest bridge ID, which is a combination of bridge priority and MAC address.
Correct Answer:
D
— The device with the lowest bridge ID
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Q. In subnetting, what does the term 'supernetting' refer to?
A.
Combining multiple subnets into a larger network
B.
Dividing a network into smaller subnets
C.
Changing the subnet mask
D.
None of the above
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Solution
Supernetting refers to the practice of combining multiple smaller subnets into a larger network to reduce the size of routing tables.
Correct Answer:
A
— Combining multiple subnets into a larger network
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Q. In TCP/IP, which layer corresponds to the OSI Network Layer?
A.
Application Layer
B.
Transport Layer
C.
Internet Layer
D.
Link Layer
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Solution
In the TCP/IP model, the Internet Layer corresponds to the OSI Network Layer, handling routing and addressing.
Correct Answer:
C
— Internet Layer
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