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The Standard Group Plc is a
multi-media organization with investments in media platforms spanning newspaper
print operations, television, radio broadcasting, digital and online services. The
Standard Group is recognized as a leading multi-media house in Kenya with a key
influence in matters of national and international interest.
A diode is a small electrical device that allows current to flow in only one direction. It acts as a valve, like the one in your heart.
You are likely to be familiar with the light-emitting diode (LED) found in car headlamps, advertising screens, traffic signals, camera flashes and other devices. Most likely one of the gadgets you use at home has a diode.
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