Technical

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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!

Database Digital Electronics Electronics Networking

Q. What is the output of a 4-to-1 multiplexer if the inputs are A=0, B=1, C=0, D=1 and the select lines are S0=1, S1=0?

A. 0
B. 1
C. 1
D. 0

Solution

The select lines S0=1 and S1=0 select input B, which is 1.

Correct Answer: B — 1

Q. What is the output of a binary AND operation for inputs 1 and 0?

A. 1
B. 0
C. 2
D. 1.5

Solution

The output of a binary AND operation is 0 when one of the inputs is 0.

Correct Answer: B — 0

Q. What is the output of a binary to BCD converter for the binary input 10010?

A. 0010
B. 0001 0010
C. 0001 0000
D. 0011

Solution

The binary input 10010 is equal to decimal 18, which is represented in BCD as 0001 0010.

Correct Answer: B — 0001 0010

Q. What is the output of a binary to BCD converter for the binary input 1001?

A. 0001 0001
B. 0000 1001
C. 0000 0001
D. 0000 1000

Solution

The binary input 1001 is equal to 9 in decimal, which is represented as 0000 1001 in BCD.

Correct Answer: B — 0000 1001

Q. What is the output of a binary to gray code converter for the binary input 1011?

A. 1110
B. 1100
C. 1001
D. 1010

Solution

The gray code equivalent of the binary number 1011 is 1110.

Correct Answer: A — 1110

Q. What is the output of a D Flip-Flop when the D input is low and the clock signal transitions?

A. High
B. Low
C. Toggle
D. Undefined

Solution

The output of a D Flip-Flop will be low when the D input is low at the time of the clock transition.

Correct Answer: B — Low

Q. What is the output of a decimal to binary converter for the decimal number 10?

A. 1010
B. 1001
C. 1100
D. 1110

Solution

The binary equivalent of the decimal number 10 is 1010.

Correct Answer: A — 1010

Q. What is the output of a full-wave rectifier when given an AC input?

A. A pure AC signal
B. A pulsating DC signal
C. A constant DC voltage
D. An amplified AC signal

Solution

A full-wave rectifier converts an AC input into a pulsating DC signal by rectifying both halves of the AC waveform.

Correct Answer: B — A pulsating DC signal

Q. What is the output of a half-wave rectifier when the input is a sine wave?

A. A sine wave
B. A square wave
C. A pulsating DC signal
D. A constant DC signal

Solution

The output of a half-wave rectifier when the input is a sine wave is a pulsating DC signal, as it only allows one half of the AC waveform to pass through.

Correct Answer: C — A pulsating DC signal

Q. What is the output of a NAND gate if both inputs are 1?

A. 0
B. 1
C. undefined
D. error

Solution

A NAND gate outputs 0 only when both inputs are 1; otherwise, it outputs 1.

Correct Answer: A — 0

Q. What is the output of a NAND gate if both inputs are true?

A. True
B. False
C. 1
D. 0

Solution

A NAND gate outputs false only when both inputs are true; otherwise, it outputs true.

Correct Answer: B — False

Q. What is the output of a NAND gate when both inputs are low?

A. 0
B. 1
C. Undefined
D. Depends on the circuit

Solution

A NAND gate outputs 1 when at least one input is low; thus, it outputs 1 when both inputs are low.

Correct Answer: B — 1

Q. What is the output of a NOR gate if one input is 1?

A. 0
B. 1
C. undefined
D. error

Solution

A NOR gate outputs 0 if at least one input is 1.

Correct Answer: A — 0

Q. What is the output of a NOR gate when both inputs are true?

A. True
B. False
C. Undefined
D. High impedance

Solution

A NOR gate outputs false (0) when any of its inputs are true (1).

Correct Answer: B — False

Q. What is the output of a NOT gate if the input is 0?

A. 0
B. 1
C. undefined
D. error

Solution

The output of a NOT gate is 1 when the input is 0.

Correct Answer: B — 1

Q. What is the output of a NOT gate when the input is 1?

A. 0
B. 1
C. 2
D. 3

Solution

A NOT gate inverts the input; thus, if the input is 1, the output is 0.

Correct Answer: A — 0

Q. What is the output of a NOT gate when the input is false?

A. True
B. False
C. 1
D. 0

Solution

A NOT gate inverts the input; if the input is false, the output is true.

Correct Answer: A — True

Q. What is the output of a shift register after shifting a binary '1011' left by 1 position?

A. 0110
B. 1100
C. 1011
D. 10110

Solution

Shifting '1011' left by 1 position results in '10110'.

Correct Answer: D — 10110

Q. What is the output of an AND gate if both inputs are 1?

A. 0
B. 1
C. undefined
D. error

Solution

An AND gate outputs 1 only when both inputs are 1.

Correct Answer: B — 1

Q. What is the output of an AND gate if both inputs are true?

A. True
B. False
C. Undefined
D. None of the above

Solution

An AND gate outputs true only when both inputs are true.

Correct Answer: A — True

Q. What is the output of an AND gate when both inputs are high?

A. 0
B. 1
C. Undefined
D. Depends on the circuit

Solution

An AND gate outputs 1 only when both inputs are high (1).

Correct Answer: B — 1

Q. What is the output of an Ex-NOR gate when both inputs are 1?

A. 1
B. 0
C. Undefined
D. Both 0 and 1

Solution

An Ex-NOR gate outputs 1 when both inputs are the same, so for A=1 and B=1, the output is 1.

Correct Answer: A — 1

Q. What is the output of an Ex-NOR gate when both inputs are the same?

A. 0
B. 1
C. Depends on the circuit
D. Undefined

Solution

An Ex-NOR gate outputs 1 when both inputs are the same.

Correct Answer: B — 1

Q. What is the output of an Ex-OR gate for inputs A=1 and B=1?

A. 1
B. 0
C. Undefined
D. Both 0 and 1

Solution

The Ex-OR gate outputs 0 when both inputs are the same, so for A=1 and B=1, the output is 0.

Correct Answer: B — 0

Q. What is the output of an Ex-OR gate when both inputs are the same?

A. 1
B. 0
C. Undefined
D. Both 0 and 1

Solution

An Ex-OR gate outputs 0 when both inputs are the same (either 0 or 1).

Correct Answer: B — 0

Q. What is the output of an inverting op-amp if the input voltage is 1V and the feedback resistor is twice the input resistor?

A. 0.5V
B. 1V
C. 2V
D. -2V

Solution

In an inverting op-amp configuration, if Rf is twice Rin, the output will be -2V for an input of 1V.

Correct Answer: D — -2V

Q. What is the output of an OR gate if both inputs are 0?

A. 0
B. 1
C. undefined
D. error

Solution

The output of an OR gate is 0 if both inputs are 0.

Correct Answer: A — 0

Q. What is the output of an OR gate if both inputs are false?

A. True
B. False
C. 1
D. 0

Solution

An OR gate outputs false only when both inputs are false.

Correct Answer: B — False

Q. What is the output of an XOR gate when both inputs are high?

A. 0
B. 1
C. Undefined
D. Depends on the circuit

Solution

An XOR gate outputs 0 when both inputs are high.

Correct Answer: A — 0

Q. What is the output of the expression A XOR A?

A. 0
B. 1
C. A
D. Undefined

Solution

The output of A XOR A is always 0.

Correct Answer: A — 0

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