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What is Computer Processor-Types of Processor

August 15, 2022

The processor is the central processing unit (CPU) of a computer. A CPU is responsible for executing instructions and controlling the flow of data between the different components of a computer system.

In modern computers, the CPU is often integrated onto a single microchip known as a Central Processing Unit (CPU). Processors are designed to perform specific tasks, such as performing addition, multiplication, or memory accesses.

Types of processors in a computer

There are different types of processors:

Single core processor

A single core processor is a processing unit that contains only one Processor). A single-core processor is the simplest type of computer processor. In fact, it’s the smallest kind of processor you’ll find inside any computer. It works on the principle of FIFO, which means if two requests come for processing it first deals with the request that comes first.

image showing the single-core processor

Dual-core processor

Dual-core processors have two processors. Each processor handles half of the workload at once. So if you had a dual-core processor, each would handle 50 percent of the workload.

image showing the dual-core processor

Multi-core processor

Multi-core processors have more than two processors. These processors have several cores, meaning they can do several things at once. If you had a multi-core processor, it could handle 100 percent of the workload.

image showing the multicore-core processor

Quad-core processor

Quad-core processors have four processors which are combined on a single processor. Four processors mean four threads of work going on at once, which makes them great for multitasking.

image showing the Quad-core processor

Octa-core processor

Octa-core processors have eight processors. They perform a lot of work at high speed.

image showing the octa-core processor

Basic Operation of Processors

The processor performs different tasks.


Fetching is the act of retrieving data from storage devices. In the context of computers, fetching refers to the retrieval of information from memory (RAM) or disk drive.


Decoding is the process of converting binary code into a human-readable format. Decoding is often done automatically by the software.


Executing is the process of performing instructions stored in RAM. When a program is loaded into RAM, it is decoded and then executed.