| A microcontroller is a self-contained integrated circuit (IC) that is designed to carry out a single operation in an embedded system. At its simplest, a microcontroller is composed of a processor, memory and input/output (I/O) peripheral ports on a single chip. Although microcontrollers can't perform the same functions as standard processors, their low cost and minimal power usage make them a cost-effective option for adding computer-like capabilities to just about anything. Today, microcontrollers can be found in a wide variety of remote-controlled devices in the consumer market space. They also play an important role in the expanding Internet of Things (IoT), helping to govern "things" at the network's edge, such as printers, kitchen appliances, televisions, home lighting systems and automobiles.
The terms microcontrollers and microprocessors are often confused. Here's a simple way to remember the difference -- if a chip has a central processing unit (CPU), but has to connect to memory and I/O ports externally, it's called a microprocessor. If the same chip has memory, storage and programmable I/O peripheral ports built-in, it is called a microcontroller. Continue reading about microcontrollers...
Take todays Pop Quiz! Answer key below 1. What do you call a software program that manages the flow of data between two IoT components? a. controller b. facilitator Answer What type of television set will have an internet-connected microcontroller embedded in it? a. direct view b. smart Answer 3. Microcontrollers provide RT responses to events in the embedded system they are controlling. In this context, what does RT stand for? a. real time b. reduced transfer Answer 4. What type of distributed IT architecture processes client data at the periphery of the network, as close to the originating source as possible? Answer 5. The Internet of Things is composed of physical objects that have been assigned UIDs. What does UID stand for? a. universal identifier b. unique identifier Answer | 
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