Question

This symbol represents

(a) NOT gate

(b) OR gate 

(c) AND gate

(d) NOR gate

Answer

(a) NOT gate

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

In order to stop a car in shortest distance on a horizontal road, one should:
  1. Apply the brakes very hard so that the wheels stop rotating.
  2. Apply the brakes hard enough to just prevent slipping.
  3. Pump the brakes (press and release).
  4. Shut the engine off and not apply brakes.

ABC is a right angled triangle in which AB = 3 cm  and BC = 4 cm. And Ð ABC = p/2. The three charges +15, +12  and -20 e.s.u.  are placed respectively on A, B and C. The force acting on B  is

(a) 125 dynes

(b) 35 dynes

(c) 25 dynes

(d) Zero

Which of the following statement is false for the properties of electromagnetic waves?

A condenser of capacity  50μF is charged to 10 volts. Its energy is equal to

(a) 2.5  

(b) 2.5  

(c) 5 

(d) 1.2  

A ray of light travelling in a transparent medium falls on a surface separating the medium from air at an angle of incidence of 45°. The ray undergoes total internal reflection. If n is the refractive index of the medium with respect to air, select the possible value (s) of n from the following

(a) 1.5

(b) 1.6

(c) 1.3

(d) a, b

An electron is travelling along the x-direction. It encounters a magnetic field in the y-direction. Its subsequent motion will be

(a) Straight line along the x-direction

(b) A circle in the xz-plane

(c) A circle in the yz-plane

(d) A circle in the xy-plane

The mass defect in a particular nuclear reaction is 0.3 grams. The amount of energy liberated in kilowatt hours is (Velocity of light = 3)

(a) 1.5  

(b) 2.5  

(c) 3  

(d) 7.5  

A point positive charge is brought near an isolated conducting sphere. The electric field is best given by:

On an average, the number of neutrons and the energy of a neutron released per fission of a uranium atom are respectively?

A photon of energy 8 eV is incident on a metal surface of threshold frequency 1.6 , then the maximum kinetic energy of photoelectrons emitted is (h = 6.6  

(a) 4.8 eV

(a) 4.8 eV

(c) 1.4 eV  

(d) 0.8 eV