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1
MHT CET 2023 11th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

In the digital circuit the inputs are as shown in figure. The Boolean expression for output $$\mathrm{Y}$$ is

MHT CET 2023 11th May Evening Shift Physics - Semiconductor Devices and Logic Gates Question 48 English

A
$$\overline{\mathrm{A}+\mathrm{B}}+\overline{\mathrm{C}}$$
B
$$\overline{\mathrm{A} \cdot \mathrm{B}} \cdot \overline{\mathrm{C}}$$
C
$$\overline{\mathrm{A} \cdot \mathrm{B}}+\overline{\mathrm{C}}$$
D
$$\overline{\mathrm{A}+\mathrm{B}} \cdot \overline{\mathrm{C}}$$
2
MHT CET 2023 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the correct circuit diagrams for the normal operation from the following.

MHT CET 2023 11th May Morning Shift Physics - Semiconductor Devices and Logic Gates Question 51 English

A
(A), (B)
B
(B), (C)
C
(A), (C)
D
(B), (D)
3
MHT CET 2023 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

In energy band diagram of insulators, a band gap and the conduction band is respectively

A
very low and partially filled.
B
very high and completely filled.
C
very high and empty.
D
very low and empty.
4
MHT CET 2023 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

In the case of NAND gate, if A and B are the inputs and $$\mathrm{Y}$$ is the output then

A
$$\mathrm{Y}=\mathrm{A} \cdot \mathrm{B}$$
B
$$\mathrm{Y}=\overline{\mathrm{A}-\mathrm{B}}$$
C
$$\mathrm{Y}=\overline{\mathrm{A}+\mathrm{B}}$$
D
$$\mathrm{Y}=\overline{\mathrm{A} \cdot \mathrm{B}}$$
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