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. Which logic gate is equivalent to an inverter followed by an AND gate?
A.
NAND gate
B.
NOR gate
C.
AND gate
D.
OR gate
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Solution
An inverter followed by an AND gate is equivalent to a NAND gate.
Correct Answer:
A
— NAND gate
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Q. Which logic gate is represented by a diode in series with a resistor?
A.
AND gate
B.
OR gate
C.
NAND gate
D.
NOR gate
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Solution
A diode in series with a resistor can represent an AND gate, as it allows current to flow only when both inputs are high.
Correct Answer:
A
— AND gate
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Q. Which logic gate is represented by the expression A + B?
A.
AND
B.
OR
C.
NOT
D.
XOR
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Solution
The expression A + B represents an OR gate.
Correct Answer:
B
— OR
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Q. Which logic gate is used to implement the carry function in binary addition?
A.
AND
B.
OR
C.
XOR
D.
NOT
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Solution
The AND gate is used to generate the carry in binary addition.
Correct Answer:
A
— AND
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Q. Which logic gate outputs 1 when at least one input is 1?
A.
AND
B.
OR
C.
NOT
D.
NAND
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Solution
An OR gate outputs 1 when at least one of its inputs is 1.
Correct Answer:
B
— OR
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Q. Which logic gate outputs true if at least one input is true?
A.
AND
B.
OR
C.
NOT
D.
NAND
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Solution
An OR gate outputs true if at least one of its inputs is true.
Correct Answer:
B
— OR
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Q. Which logic gate outputs true only when at least one input is true?
A.
AND
B.
OR
C.
NOT
D.
NAND
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Solution
An OR gate outputs true (1) when at least one of its inputs is true (1).
Correct Answer:
B
— OR
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Q. Which logic gate outputs true only when both inputs are true?
A.
AND
B.
OR
C.
NOT
D.
XOR
Show solution
Solution
The AND gate outputs true only when both inputs are true.
Correct Answer:
A
— AND
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Q. Which logic gate produces a true output only when both inputs are different?
A.
AND
B.
OR
C.
XOR
D.
NOR
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Solution
An XOR gate outputs true (1) only when the inputs are different.
Correct Answer:
C
— XOR
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Q. Which method is used to load XML data into a DataSet in ADO.NET?
A.
LoadXml()
B.
ReadXml()
C.
ImportXml()
D.
FillXml()
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Solution
The ReadXml() method is used to load XML data into a DataSet.
Correct Answer:
B
— ReadXml()
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Q. Which normal form addresses transitive dependencies?
A.
First Normal Form (1NF)
B.
Second Normal Form (2NF)
C.
Third Normal Form (3NF)
D.
Boyce-Codd Normal Form (BCNF)
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Solution
Third Normal Form (3NF) addresses transitive dependencies by ensuring that non-key attributes are not dependent on other non-key attributes.
Correct Answer:
C
— Third Normal Form (3NF)
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Q. Which normal form eliminates transitive dependencies?
A.
First Normal Form (1NF)
B.
Second Normal Form (2NF)
C.
Third Normal Form (3NF)
D.
Boyce-Codd Normal Form (BCNF)
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Solution
The Third Normal Form (3NF) eliminates transitive dependencies in a relational database.
Correct Answer:
C
— Third Normal Form (3NF)
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Q. Which normal form is achieved when a relation is in 3NF and every determinant is a candidate key?
A.
First Normal Form (1NF)
B.
Second Normal Form (2NF)
C.
Third Normal Form (3NF)
D.
Boyce-Codd Normal Form (BCNF)
Show solution
Solution
Boyce-Codd Normal Form (BCNF) is achieved when a relation is in 3NF and every determinant is a candidate key.
Correct Answer:
D
— Boyce-Codd Normal Form (BCNF)
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Q. Which normal form is achieved when a table is in 3NF and every determinant is a candidate key?
A.
First Normal Form (1NF)
B.
Second Normal Form (2NF)
C.
Third Normal Form (3NF)
D.
Boyce-Codd Normal Form (BCNF)
Show solution
Solution
Boyce-Codd Normal Form (BCNF) is achieved when a table is in 3NF and every determinant is a candidate key.
Correct Answer:
D
— Boyce-Codd Normal Form (BCNF)
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Q. Which normal form requires that a relation is in 1NF and has no partial dependencies?
A.
First Normal Form (1NF)
B.
Second Normal Form (2NF)
C.
Third Normal Form (3NF)
D.
Boyce-Codd Normal Form (BCNF)
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Solution
Second Normal Form (2NF) requires that a relation is in 1NF and has no partial dependencies on a composite primary key.
Correct Answer:
B
— Second Normal Form (2NF)
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Q. Which normal form requires that a relation is in Second Normal Form and has no transitive dependencies?
A.
First Normal Form
B.
Second Normal Form
C.
Third Normal Form
D.
Boyce-Codd Normal Form
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Solution
Third Normal Form (3NF) requires that a relation is in Second Normal Form and has no transitive dependencies.
Correct Answer:
C
— Third Normal Form
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Q. Which normal form requires that a table is in 1NF and all non-key attributes are fully functionally dependent on the primary key?
A.
First Normal Form (1NF)
B.
Second Normal Form (2NF)
C.
Third Normal Form (3NF)
D.
Boyce-Codd Normal Form (BCNF)
Show solution
Solution
Second Normal Form (2NF) requires that all non-key attributes are fully functionally dependent on the primary key.
Correct Answer:
B
— Second Normal Form (2NF)
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Q. Which normal form requires that a table is in 1NF and has no partial dependencies?
A.
First Normal Form (1NF)
B.
Second Normal Form (2NF)
C.
Third Normal Form (3NF)
D.
Boyce-Codd Normal Form (BCNF)
Show solution
Solution
Second Normal Form (2NF) requires that a table is in 1NF and has no partial dependencies.
Correct Answer:
B
— Second Normal Form (2NF)
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Q. Which normalization form eliminates transitive dependencies?
A.
First Normal Form
B.
Second Normal Form
C.
Third Normal Form
D.
Boyce-Codd Normal Form
Show solution
Solution
Third Normal Form (3NF) eliminates transitive dependencies.
Correct Answer:
C
— Third Normal Form
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Q. Which number system is primarily used in digital electronics?
A.
Decimal
B.
Binary
C.
Octal
D.
Hexadecimal
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Solution
The binary number system is primarily used in digital electronics as it represents data in two states, 0 and 1.
Correct Answer:
B
— Binary
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Q. Which number system is used in digital electronics for representing data?
A.
Decimal
B.
Binary
C.
Octal
D.
Hexadecimal
Show solution
Solution
The binary number system is used in digital electronics for representing data.
Correct Answer:
B
— Binary
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Q. Which number system uses base 16?
A.
Binary
B.
Decimal
C.
Octal
D.
Hexadecimal
Show solution
Solution
The hexadecimal number system uses base 16.
Correct Answer:
D
— Hexadecimal
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Q. Which of the following best describes a 'weak entity' in an ER model?
A.
An entity that cannot exist without a strong entity
B.
An entity with no attributes
C.
An entity that has a composite key
D.
An entity that is not related to any other entity
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Solution
A weak entity is an entity that cannot exist without a strong entity and relies on it for its identification.
Correct Answer:
A
— An entity that cannot exist without a strong entity
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Q. Which of the following best describes a business rule?
A.
A guideline for database design
B.
A constraint on data values
C.
A policy that governs data usage
D.
All of the above
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Solution
A business rule can be a guideline, a constraint, or a policy regarding data.
Correct Answer:
D
— All of the above
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Q. Which of the following best describes a data mart?
A.
A large-scale data warehouse
B.
A subset of a data warehouse focused on a specific business area
C.
A type of database management system
D.
A method for data extraction
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Solution
A data mart is a smaller, more focused version of a data warehouse, designed to serve the needs of a specific business area.
Correct Answer:
B
— A subset of a data warehouse focused on a specific business area
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Q. Which of the following best describes a dimension table?
A.
Contains foreign keys
B.
Stores detailed transactional data
C.
Provides context to fact data
D.
Is always normalized
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Solution
Dimension tables provide context to fact data by containing descriptive attributes.
Correct Answer:
C
— Provides context to fact data
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Q. Which of the following best describes a GAL?
A.
A type of FPGA
B.
A type of CPLD
C.
A programmable logic device with a fixed architecture
D.
A microcontroller
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Solution
A GAL (Generic Array Logic) is a programmable logic device with a fixed architecture, allowing for specific logic functions to be programmed.
Correct Answer:
C
— A programmable logic device with a fixed architecture
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Q. Which of the following best describes a many-to-many relationship?
A.
One entity can relate to many instances of another entity
B.
One entity can relate to only one instance of another entity
C.
Many instances of one entity can relate to many instances of another entity
D.
No relationship exists between the entities
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Solution
A many-to-many relationship allows many instances of one entity to relate to many instances of another entity.
Correct Answer:
C
— Many instances of one entity can relate to many instances of another entity
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Q. Which of the following best describes a microcontroller?
A.
A microprocessor with additional peripherals integrated
B.
A type of memory used in computers
C.
A high-performance computing unit
D.
A standalone processing unit without any peripherals
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Solution
A microcontroller is essentially a microprocessor with additional peripherals integrated, designed for specific control applications.
Correct Answer:
A
— A microprocessor with additional peripherals integrated
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Q. Which of the following best describes a primary key?
A.
A unique identifier for a record in a table
B.
A foreign key that links to another table
C.
An attribute that can have null values
D.
A composite of multiple attributes
Show solution
Solution
A primary key is a unique identifier for a record in a table.
Correct Answer:
A
— A unique identifier for a record in a table
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