A major innovation that has changed the way we live, computers play a great role in every activity of the human being. From normal routine work to critical activities that call for great accuracy and precision, the tasks performed by them are numerous. Depending on their size, the use to which they are put to and the processing power of the computer hard drive, they have been classified into different groups.

Let us examine the broad classifications of the computers.

1 Personal Computer

Typically used in home and offices, the personal computers can take the form of desktops, laptops and palmtops. Formerly known as the microcomputers, the PCs generally adopt Windows operating system to perform the operations. Usual applications like the mailing, games and other simple operations are performed by the system that can be connected to the LAN using a cable or the wireless.

Desktop computers

Stationary, but with better operational capability, larger storage capacity and lower cost are the typical features of a desktop. Desktops take the shape of large vertical cases that hold the CPU or a small form factor like the Mac that has the CPU lodged behind the LCD monitor.

Tablet computers

The tablet computers, like the PDA, are mobile computers that come with a touch screen that requires a stylus or the fingertip to perform the operations. These computers use flash memory in place of a computer hard drive for information storage.

Laptop computers

A computing device that has a processor, memory, computer hard drive, keyboard and the display unit integrated into a single component that can be made to perform the task on the charge given by a battery are known as laptops. Light-weight laptops, gaming laptops, WiFi laptops, dual core laptops and power laptops are the common types of laptops seen in the market.

2 Work station

The powerful processor, high-resolution screen, additional memory and other features make the work station ideal for tasks that call for larger computing capabilities. While most of these computers come with a computer hard drive, diskless work station is a system wherein the computer hard drive is absent.

3 Servers

Servers are powerful computers that have quick processors, larger computer hard drives and superior memory capacity. It functions to provide services to other systems connected to it through a network. Web servers, file server and the e-mail servers are some of the common server applications.

4 Mainframe computers

In earlier times, the term mainframe computers was used to denote the large models of computers that took immense space as big as an entire room by its mere presence. The modern day mainframes are, on the other hand, the enormous and costly machines that are competent to offer support to the changing needs of thousands of users simultaneously.

5 Super computers

Supercomputers are the highly efficient and powerful machines that can manipulate thousands of calculations, making it highly suited for specialized jobs like scientific simulations, nuclear energy design, fluid dynamic calculations and similar activities.

6 Wearable computers

The incorporation of the small computing devices into the watches, fabric and the cell phones have resulted in their multiple applications in health monitoring, behavioral studies, military operations, etc. that requires the scrutinizing of the user? physical movements. The development made by the wearable computers has today taken us to a world with immense potential for development.

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