ARM Holdings, a British company, developed a family of microprocessor architectures called ARM Cortex, which have wide usage in smartphones, tablets, smartwatches, and other embedded systems. In simple words, ARM Cortex is a type of computer chip that powers many devices we use in our daily lives.

What is a microprocessor?

A microprocessor is an electronic chip that acts as the brain of a computer. It receives instructions and performs calculations to carry out various tasks. Manufacturers design microprocessors in different sizes and complexities based on the application for which they are intended.

Features of ARM Cortex

ARM Cortex processors have several features that make them popular in the market. Some of these features include:

1. Energy-efficient: Cortex processors possess energy efficiency which allows them to operate for extended periods without requiring frequent charging.
2. High-performance: Despite being energy-efficient, Cortex processors are also high-performing. They can perform complex calculations quickly and efficiently.
3. Scalability: Cortex processors can scale up or down in size, making them versatile enough to be used in a variety of applications, ranging from small embedded devices to large supercomputers. This means that the processors can adapt to the needs of different devices and systems, without compromising on their performance or energy efficiency.

Examples of ARM Cortex processors

Some examples of devices that use Cortex processors include:

1. Apple iPhone: The iPhone uses an Cortex-A8 processor.
2. Samsung Galaxy S4: The Galaxy S4 uses an Cortex-A15 processor.
3. Raspberry Pi: The Raspberry Pi computer uses an Cortex-A53 processor.

Conclusion

ARM Cortex has gained immense popularity as a microprocessor architecture due to its widespread usage. In various fields, such as portable devices, automotive systems, and industrial automation. The designers have developed the processors to be energy-efficient. High-performing, and scalable, which renders them appropriate for a variety of applications.