COMPUTER FUNDAMENTALS

INTRODUCTION TO COMPUTERS

COMPUTER ARCHITECTURE AND ORGANIZATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
____ is frequently used to indicate digital signals
A
Light emiting diode
B
Tunnel diode
C
Pin diode
D
None
Explanation: 

Detailed explanation-1: -A light-emitting diode (LED) is a semiconductor device that emits light when current flows through it. Electrons in the semiconductor recombine with electron holes, releasing energy in the form of photons.

Detailed explanation-2: -Light Emitting Diodes Inorganic semiconductor light-emitting diodes (LEDs) are environmentally benign and have found widespread use as indicator lights, mobile displays, large-area displays, signage applications, and lighting applications.

There is 1 question to complete.