What is the Purpose of a Microcontroller in a Computer?

In summary, microcontrollers are used in a variety of devices where a controller (small and cheap) is needed. They also play a role in the computer, by helping with things like internet access and music playback.
  • #1
ineedhelpnow
651
0
can someone give like a brief one paragraph explanation of what a microcontroller is and what it does. i understand that its a microcomputer on a circuit but i don't understand its purpose. please keep it very simple. this is my first engineering class after a bio switch so ill get VERY confused if you guys make it complicating for me (Blush) THANKU!
 
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  • #2
ineedhelpnow said:
can someone give like a brief one paragraph explanation of what a microcontroller is and what it does. i understand that its a microcomputer on a circuit but i don't understand its purpose. please keep it very simple. this is my first engineering class after a bio switch so ill get VERY confused if you guys make it complicating for me (Blush) THANKU!

Hi!

A microcontroller is a microcomputer on a circuit.
Its purpose is to control stuff where the controller has to be small and usually cheap.

From wiki:
Microcontrollers are used in automatically controlled products and devices, such as automobile engine control systems, implantable medical devices, remote controls, office machines, appliances, power tools, toys and other embedded systems. By reducing the size and cost compared to a design that uses a separate microprocessor, memory, and input/output devices, microcontrollers make it economical to digitally control even more devices and processes. Mixed signal microcontrollers are common, integrating analog components needed to control non-digital electronic systems.

Hey! It says the same thing.
So I think you already knew. (Angel)
 
  • #3
But what exactly does it do?
 
  • #4
ineedhelpnow said:
But what exactly does it do?

The same things as a normal computer does and more: access the internet, switch lights on or off, play radio signals as music, determine the rhythm to keep a heart going, and so on.
 
  • #5
dude stop it! i really need to know this for my computer engineering lab tomorrow.
 
  • #6
ineedhelpnow said:
dude stop it! i really need to know this for my computer engineering lab tomorrow.
Why do you want him to stop?? All he's done is given you an answer to your question. It's up to you to write the paragraph, not him. Are you trying to find out how it does that?

-Dan
 
  • #7
what is the PURPOSE of the chip in the computer? what does it do that benefits the computer?
 

What is a microcontroller?

A microcontroller is a small computer on a single integrated circuit that is designed to control devices and processes. It typically consists of a central processing unit (CPU), memory, and various input/output peripherals.

What are the main components of a microcontroller?

The main components of a microcontroller include the CPU, memory, input/output ports, and timers. The CPU is responsible for executing instructions and controlling the functions of the microcontroller. Memory is used to store data and program instructions. Input/output ports allow the microcontroller to communicate with external devices. Timers are used to keep track of time and perform tasks at specific intervals.

What are the applications of microcontrollers?

Microcontrollers are used in a wide range of applications, including consumer electronics, automotive systems, industrial automation, medical devices, and more. They are often used to control and monitor devices and processes, such as temperature sensors, motors, displays, and communication devices.

How does a microcontroller work?

A microcontroller works by receiving inputs from external devices or sensors, processing those inputs using its CPU and memory, and then producing outputs to control external devices. It follows a set of instructions, known as a program, to perform its intended functions.

What are the advantages of using a microcontroller?

There are several advantages to using a microcontroller, including its small size, low cost, and low power consumption. They are also highly customizable and can be programmed to perform specific tasks, making them suitable for a wide range of applications. Additionally, microcontrollers have a fast response time and can operate in harsh environments.

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