![]() Clock speeds are measured in MHz or GHz where 1 MHz means 1 million cycles per second whereas 1 GHz equals to 1 billion cycles per second. The speed at which the microprocessor executes instructions is called clock speed. These are the most important defining characteristics of a microprocessor −Įvery microprocessor has an internal clock that regulates the speed at which it executes instructions and also synchronizes it with other components. There are some characteristics that are common to all microprocessors. The microprocessors of laptops and smartphones are general purpose whereas ones designed for graphical processing or machine vision are specialized ones. Microprocessors are multipurpose devices that can be designed for generic or specialized functions. We will study the characteristics and components of a microprocessor in detail. Arrival of low cost general purpose microprocessors has been instrumental in development of modern society the way it has. 4004 was the first general purpose microprocessor used by Intel in building personal computers. Microprocessors were first introduced in early 1970s. It is a computer processor that incorporates all the functions of CPU (Central Processing Unit) on a single IC (Integrated Circuit) or at the most a few ICs. Microprocessor is the brain of computer, which does all the work. ![]()
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