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For those starting the course of electronics may have come across microprocessors and microcontrollers. ConclusionĮlectronics is the study that deals with the physics, engineering and applications of the movement of electronics. But since microcontrollers have fixed internal memory, it is not possible to extend the memory of a microcontroller.
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The microcontrollers perform specific tasks in which the output depends on the inputs. The microprocessor is used in performing general tasks like editing, games and websites where the output and the input are not relative.Since the microprocessor is the processing unit of a computer, they are used in a computer whereas the microcontrollers being a mini-computer itself, is used with embedded system for performing specific functions.The microcontroller comes with the internal controlling unit, memory and I/O components. The microprocessor only comes with an internal controlling unit and all the memory and I/O components have to be externally installed. A microprocessor is the heart of a computer system and a microcontroller is a mini-computer and is embedded to perform specific tasks.Main Differences Between Microprocessor and Microcontroller So, one can also say that microcontrollers are used in projects and other applications that require a direct user interface. They are seen to be used in a washing machine, digicam, etc. Therefore they can be used with batteries. Microcontrollers have very few external components and therefore their power consumption is naturally low. It is also comparatively easier to write a program in microcontroller because they have more registers They can also be used with compact systems, unlike microprocessor. So they are also termed as mini-computers. They have CPU along with small or limited amounts of RAM, ROM and other necessary peripherals in one single chip.
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They are also cheaper than microprocessor but they cannot be used for complex tasks. Thus, it uses less power than microcontrollers. The microcontrollers come with a power-saving system and therefore do not consume power in idle mode. They also have high speed in loading instructions because of their on-flash memory and existing internal memory. Microcontrollers are the processing unit of an embedded system. They are also coined inefficient because they cannot be used in compact systems. Since they have less quantity of registers, they are memory-based and functions on their tasks with their memory. Therefore they also require only small amounts of external RAM and ROM. which do not have any relation between the input and output. They function general tasks such as images, editing, etc. They are expensive and also consume high power but this is what makes them perfect for complex tasks. Therefore, they are made bulkier than a microcontroller. They are only attached with an internal controller and all the other components have to be externally attached for it to function. They do not come with internal components other than the processing unit and therefore requires a high power load. Memory Variable Fixed What is a Microprocessor?Ī microprocessor can be considered as the heart or the controlling unit of a computer system. Comparison Table Between Microprocessor and Microcontroller Parameters of Comparison Microprocessor Microcontroller Meaning Heart of the computer system It is a mini-computer that has all the tasks embedded Components Only CPU CPU along with internal memory and I/O components Application It is used in computers It is used in embedded systems for performing specific tasks Tasks performed They perform unspecific and general tasks They perform specific tasks Clock speed 1Ghz 8 Mhz to 50 Mhz. They have minimal external components as they have all the necessary components in a single chip. This is when the output depends on the input of the system.
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Their applications are mainly seen in the ones that handle a specific task. The processing unit of an embedded system is called a microcontroller. microprocessors also have a high clock speed of 1 GHz. They have high power consumption and they consume energy even in their idle state. They are mainly used in computers as they help in the functioning of general and complex tasks. The processing unit of a computer is called the microprocessor.