What are the two parts of a computer? What are the hardware components?

From the appearance, computer hardware mainly includes the main chassis, keyboard and display;

Logically, it can be divided into five parts: controller, arithmetic unit, memory, input device and output device. Generally speaking, the arithmetic unit and the controller are collectively called the central processing unit. Judging the performance of a computer mainly depends on two indicators, the first is the model and main frequency of CPU, and the second is the type of bus.

Open the main chassis of the computer, and there is a printed circuit board inside, which is the motherboard of the computer. Generally, all the important controls of a computer are done on the computer motherboard.

Extended data:

John von neumann, the inventor of the computer.

Computer is one of the most advanced scientific and technological inventions in the 20th century, which has had an extremely important impact on human production and social activities, and has developed rapidly with strong vitality.

Its application field has expanded from the initial military scientific research application to all fields of society, forming a huge computer industry, promoting global technological progress and triggering profound social changes. Computers have spread all over ordinary schools, enterprises and institutions, entered the homes of ordinary people and become an indispensable tool in the information society.