MCQ
The number $0 ($zero$)$ is required for:
  • A
    Transistor
  • B
    Abacus
  • Computer
  • D
    Calculator

Answer

Correct option: C.
Computer
The number $0$ is most important in digital communication where only two states $0,1$ control the input and output and computer is based on digital signals.

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 a sample of radioactive material, what percentage of the initial number of active nuclei will decay during one mean life .......... $\%$
A nucleus $X$ undergoes following transformation

$X \stackrel{a}{\longrightarrow} Y$

$Y \underset{2 \beta}{\longrightarrow} Z$

then

In Young's double slit experiment, the distance between slits and the screen is $1 .0\,\,m$ and monochromatic light of $600\,\,nm$  is being used. A person standing near the slits is looking at the fringe pattern. When the separation between the slits is varied, the interference pattern disappears for a particular distance $d_0$ between the slits . If the angular resolution of the eye is $\frac {1}{60}^o,$ the value of $d_0$  is close to......$mm$
A wire $X$ of length $50\; cm$ carrying a current of $2\,A$ is placed parallel to a long wire $Y$ of length $5\,m$. The wire $Y$ carries a current of $3\,A$. The distance between two wires is $5\,cm$ and currents flow in the same direction. The force acting on the wire $Y$ is.
The phase angle between $ e.m.f. $ and current in $ LCR $ series $ ac $  circuit is
Two charged conducting spheres of radii $a$ and $b$ are connected to each other by a conducting wire. The ratio of charges of the two spheres respectively is:
In the adjoining figure, four capacitors are shown with their respective capacities and the P.D. applied. The charge and the P.D. across the 4μF capacitor will be
Two current carrying loops of same area but of different materials have same current flowing in them in anti$-$clockwise direction. if a magnetic field is applied in upward direction then potential energy of loop $1$ and loop $2$ will always be:
Using thomson's model of the atom, consider an atom consisting of two electrons, each of charge $-e$, embeded in a sphere of charge $+2e$ and radius $R$. In equilibrium each electron is at a distance $d$ from the centre of the atom. What is the equilibrium separation between electrons
While capturing solar energy for commercial purposes we use