MCQ
Boolean expression for NAND gate is :
- A$ A + B = Y $
- B$ \overline{A + B} = Y $
- ✓$ \overline{A \cdot B} = Y $
- D$ A \cdot B = Y $
✓
Answer
Correct option: C.
$ \overline{A \cdot B} = Y $
C
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Substance on the choroid is
|
(a) Japan black |
(b) Nigrim pigment |
(c) Carbon black |
(d) Platinum black |
Which of the following cannot be used in electronic devices?
Two slits, 4 mm apart, are illuminated by light of wavelength 6000 Å. What will be the fringe width on a screen placed 2m from the slits
|
(a) 0.12 mm |
(b) 0.3 mm |
(c) 3.0 mm |
(d) 4.0 mm |
ABC is an equilateral triangle. Charges + q are placed at each corner. The electric intensity at O will be
|
(a) |
(b) |
(c) Zero |
(d) |
Which one of the following has maximum refractive index ?
Which causes the formation of rainbow ?
Which of the following is the best definition of the uncertainty principle?
A charge of 5C experiences a force of 5000 N when it is kept in a uniform electric field. What is the potential difference between two points separated by a distance of 1 cm
|
(a) 10 V |
(b) 250 V |
(c) 1000 V |
(d) 2500 V |
An electron moves along the line AB, which lies in the same plane as a circular loop of conducting wires as shown in the diagram. What will be the direction of current induced if any, in the loop
| (a) No current will be induced |
|
(b) The current will be clockwise |
|
(c) The current will be anticlockwise |
|
(d) The current will change direction as the electron passes by |
A wave is propagating in a medium of electric dielectric constant 2 and relative magnetic permeability 50. The wave impedance of such a medium is
|
(a) 5 W |
(b) 376.6 W |
(c) 1883 W |
(d) 3776 W |