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 an ER diagram, what does a diamond shape represent?
A.
Entity
B.
Attribute
C.
Relationship
D.
Weak entity
Show solution
Solution
In an ER diagram, a diamond shape represents a relationship between entities.
Correct Answer:
C
— Relationship
Learn More →
Q. In an ER model, how is a one-to-many relationship typically represented?
A.
With a single line connecting two entities
B.
With a crow's foot notation
C.
With a dashed line
D.
With a double line
Show solution
Solution
A one-to-many relationship is typically represented with a crow's foot notation.
Correct Answer:
B
— With a crow's foot notation
Learn More →
Q. In an ER model, what does a circle represent?
A.
An entity
B.
An attribute
C.
A relationship
D.
A weak entity
Show solution
Solution
A circle in an ER model represents an attribute of an entity.
Correct Answer:
B
— An attribute
Learn More →
Q. In an ER model, what does a diamond shape represent?
A.
Entity
B.
Attribute
C.
Relationship
D.
Weak Entity
Show solution
Solution
In an ER model, a diamond shape represents a relationship between entities.
Correct Answer:
C
— Relationship
Learn More →
Q. In an ER model, what does a solid line between two entities indicate?
A.
A weak relationship
B.
A strong relationship
C.
A one-to-many relationship
D.
A many-to-many relationship
Show solution
Solution
A solid line between two entities indicates a strong relationship in an ER model.
Correct Answer:
B
— A strong relationship
Learn More →
Q. In an ER model, what does a solid line connecting two entities represent?
A.
A weak relationship
B.
A strong relationship
C.
An attribute
D.
A foreign key constraint
Show solution
Solution
A solid line connecting two entities in an ER model represents a strong relationship.
Correct Answer:
B
— A strong relationship
Learn More →
Q. In an ER model, what does a solid line represent?
A.
A weak relationship
B.
A strong relationship
C.
An attribute
D.
A derived attribute
Show solution
Solution
A solid line in an ER model represents a strong relationship between entities.
Correct Answer:
B
— A strong relationship
Learn More →
Q. In an ER model, what does an entity represent?
A.
A relationship
B.
A table
C.
A column
D.
A constraint
Show solution
Solution
In an Entity-Relationship (ER) model, an entity represents a table in the database.
Correct Answer:
B
— A table
Learn More →
Q. In an ER model, what is an attribute?
A.
A relationship between entities
B.
A property or characteristic of an entity
C.
A unique identifier for an entity
D.
A type of database operation
Show solution
Solution
An attribute is a property or characteristic that describes an entity in an ER model.
Correct Answer:
B
— A property or characteristic of an entity
Learn More →
Q. In an integrated circuit, what does the term 'die' refer to?
A.
The entire circuit board
B.
The individual chip of silicon
C.
The packaging of the IC
D.
The power supply
Show solution
Solution
A 'die' refers to the individual piece of silicon that contains the integrated circuit.
Correct Answer:
B
— The individual chip of silicon
Learn More →
Q. In an inverting amplifier, if the feedback resistor is 10k Ohm and the input resistor is 1k Ohm, what is the gain?
Show solution
Solution
The gain of an inverting amplifier is given by -Rf/Rin, which in this case is -10.
Correct Answer:
A
— -10
Learn More →
Q. In an MSI circuit, what is the typical number of gates integrated?
A.
1-10
B.
10-100
C.
100-1000
D.
1000-10000
Show solution
Solution
MSI circuits typically integrate between 10 to 100 gates on a single chip.
Correct Answer:
B
— 10-100
Learn More →
Q. In an op-amp configured as a voltage follower in a series circuit, what is the output voltage compared to the input voltage?
A.
Higher than the input voltage
B.
Lower than the input voltage
C.
Equal to the input voltage
D.
Unpredictable
Show solution
Solution
An op-amp in a voltage follower configuration outputs a voltage that is equal to the input voltage.
Correct Answer:
C
— Equal to the input voltage
Learn More →
Q. In an op-amp configured as a voltage follower in a series circuit, what is the output voltage relative to the input voltage?
A.
Higher than the input voltage
B.
Lower than the input voltage
C.
Equal to the input voltage
D.
Inverted compared to the input voltage
Show solution
Solution
An op-amp in a voltage follower configuration outputs a voltage that is equal to the input voltage, providing high input impedance and low output impedance.
Correct Answer:
C
— Equal to the input voltage
Learn More →
Q. In an operational amplifier, what does the term 'common-mode rejection ratio' (CMRR) refer to?
A.
The ability to reject noise
B.
The ability to reject common-mode signals
C.
The ratio of output to input voltage
D.
The gain of the amplifier
Show solution
Solution
Common-mode rejection ratio (CMRR) refers to the ability of an operational amplifier to reject common-mode signals.
Correct Answer:
B
— The ability to reject common-mode signals
Learn More →
Q. In an RC circuit, what does the time constant (τ) represent?
A.
The time taken to charge or discharge the capacitor
B.
The maximum voltage across the capacitor
C.
The resistance of the circuit
D.
The frequency of oscillation
Show solution
Solution
The time constant (τ) in an RC circuit is the time taken for the capacitor to charge to about 63.2% of the maximum voltage.
Correct Answer:
A
— The time taken to charge or discharge the capacitor
Learn More →
Q. In an RL circuit, what does the time constant represent?
A.
The time to charge the inductor
B.
The time to discharge the inductor
C.
The time to reach 63.2% of final value
D.
The time to reach 100% of final value
Show solution
Solution
In an RL circuit, the time constant (τ) represents the time it takes for the current to reach approximately 63.2% of its final value.
Correct Answer:
C
— The time to reach 63.2% of final value
Learn More →
Q. In an RLC series circuit, what is the effect of increasing the resistance on the bandwidth?
A.
Bandwidth increases
B.
Bandwidth decreases
C.
Bandwidth remains the same
D.
Bandwidth becomes zero
Show solution
Solution
Increasing the resistance in an RLC series circuit decreases the bandwidth due to increased damping.
Correct Answer:
B
— Bandwidth decreases
Learn More →
Q. In an SR Flip-Flop, what condition is considered invalid?
A.
S=0, R=0
B.
S=1, R=0
C.
S=0, R=1
D.
S=1, R=1
Show solution
Solution
The condition S=1 and R=1 is invalid for an SR Flip-Flop as it leads to an indeterminate state.
Correct Answer:
D
— S=1, R=1
Learn More →
Q. In an SR flip-flop, what condition leads to an invalid state?
A.
S=0, R=0
B.
S=1, R=0
C.
S=0, R=1
D.
S=1, R=1
Show solution
Solution
The condition S=1 and R=1 leads to an invalid state in an SR flip-flop, as it creates an ambiguous output.
Correct Answer:
D
— S=1, R=1
Learn More →
Q. In astable mode, how many output states does a 555 timer have?
Show solution
Solution
In astable mode, the 555 timer continuously oscillates between two output states: high and low.
Correct Answer:
B
— 2
Learn More →
Q. In database architecture, what is the purpose of a data dictionary?
A.
To store user data
B.
To define the structure of the database
C.
To manage transactions
D.
To optimize queries
Show solution
Solution
A data dictionary defines the structure of the database, including tables, fields, and relationships.
Correct Answer:
B
— To define the structure of the database
Learn More →
Q. In database transactions, what does ACID stand for?
A.
Atomicity, Consistency, Isolation, Durability
B.
Atomicity, Concurrency, Integrity, Durability
C.
Atomicity, Consistency, Isolation, Data
D.
Atomicity, Consistency, Isolation, Dependency
Show solution
Solution
ACID stands for Atomicity, Consistency, Isolation, and Durability, which are the properties that guarantee reliable transactions.
Correct Answer:
A
— Atomicity, Consistency, Isolation, Durability
Learn More →
Q. In DBMS architecture, what does the term 'data independence' refer to?
A.
The ability to change the data structure without affecting the application
B.
The separation of data and application logic
C.
The ability to access data from multiple sources
D.
The use of multiple databases
Show solution
Solution
Data independence refers to the ability to change the data structure without affecting the application that uses the data.
Correct Answer:
A
— The ability to change the data structure without affecting the application
Learn More →
Q. In DBMS architecture, what does the term 'physical data independence' refer to?
A.
The ability to change the logical schema without changing the physical schema
B.
The ability to change the physical storage without affecting the logical schema
C.
The ability to access data from multiple sources
D.
The ability to enforce security measures
Show solution
Solution
Physical data independence refers to the ability to change the physical storage of data without affecting the logical schema.
Correct Answer:
B
— The ability to change the physical storage without affecting the logical schema
Learn More →
Q. In DBMS architecture, what is the purpose of the data abstraction layer?
A.
To manage user access
B.
To provide a user interface
C.
To separate physical storage from logical data structures
D.
To optimize query performance
Show solution
Solution
The data abstraction layer separates physical storage from logical data structures, allowing users to interact with data without needing to know how it is stored.
Correct Answer:
C
— To separate physical storage from logical data structures
Learn More →
Q. In digital circuits, what does the term 'logic level' refer to?
A.
Voltage levels
B.
Frequency levels
C.
Temperature levels
D.
Current levels
Show solution
Solution
Logic level refers to the voltage levels that represent binary values (0 and 1) in digital circuits.
Correct Answer:
A
— Voltage levels
Learn More →
Q. In digital circuits, what does the term 'two's complement' refer to?
A.
A method for binary addition
B.
A method for binary subtraction
C.
A way to represent negative numbers
D.
A type of logic gate
Show solution
Solution
Two's complement is a method used to represent negative numbers in binary.
Correct Answer:
C
— A way to represent negative numbers
Learn More →
Q. In digital design, what does FPGA stand for?
A.
Field Programmable Gate Array
B.
Fast Programmable Gate Array
C.
Field Programmable General Array
D.
Fixed Programmable Gate Array
Show solution
Solution
FPGA stands for Field Programmable Gate Array, which can be configured by the user after manufacturing.
Correct Answer:
A
— Field Programmable Gate Array
Learn More →
Q. In digital signal processing, what is aliasing?
A.
Loss of data during transmission
B.
Distortion that occurs when a signal is undersampled
C.
The process of converting digital to analog
D.
A method of noise reduction
Show solution
Solution
Aliasing occurs when a signal is undersampled, causing different signals to become indistinguishable from one another in the sampled data.
Correct Answer:
B
— Distortion that occurs when a signal is undersampled
Learn More →
Showing 151 to 180 of 1509 (51 Pages)
