Structure of P-N junction diode
The diode is a device formed from a junction of n-type and p-type semiconductor material.
The lead connected to the p-type material is called the anode and the lead connected to the n-type material is the cathode.
In general, the cathode of a diode is marked by a solid line on the diode.
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A project of our size needs at least a few hundred million dollars per year to keep going,” Mr. Durov wrote in his public channel on Telegram late last year. “While doing that, we will remain independent and stay true to our values, redefining how a tech company should operate.
Telegram is a free app and runs on donations. According to a blog on the telegram: We believe in fast and secure messaging that is also 100% free. Pavel Durov, who shares our vision, supplied Telegram with a generous donation, so we have quite enough money for the time being. If Telegram runs out, we will introduce non-essential paid options to support the infrastructure and finance developer salaries. But making profits will never be an end-goal for Telegram.
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