PCs contrast dependent on their information handling capacities. They are ordered by reason, information taking care of and usefulness.

As indicated by reason, PCs are either broadly useful or explicit reason. Universally useful PCs are intended to play out a scope of assignments. They can store various projects, yet need speed and effectiveness. Explicit reason PCs are intended to deal with a particular issue or to play out a particular errand. A lot of guidelines is incorporated with the machine.

As indicated by information dealing with, PCs are simple, computerized or half breed. Simple PCs deal with the rule of estimating, in which the estimations acquired are converted into information. Present-day simple PCs, for the most part, utilize electrical parameters, for example, voltages, protections or flows, to speak to the amounts being controlled. Such PCs don't manage the numbers. They measure ceaseless physical sizes. Advanced PCs are those that work with data, numerical or something else, spoke to in a computerized structure. Such PCs process information into an advanced worth (in 0s and 1s). They give the outcomes with more exactness and at a quicker rate. Half and half PCs join the estimating highlight of a simple PC and checking highlight of a computerized PC. For computational purposes, these PCs utilize simple parts and for capacity, computerized recollections are utilized. 

As indicated by usefulness, Type of PCs are named : 

Simple Computer 

A simple PC (spelled simply in British English) is a type of PC that utilizations constant physical wonders, for example, electrical, mechanical, or water-driven amounts to demonstrate the issue being understood.

Computerized Computer 

A PC that performs estimations and legitimate tasks with amounts spoke to as digits, normally in the parallel number framework

Crossbreed Computer (Analog + Digital) 

A mix of PCs those are fit for contributing and yielding in both advanced and simple sign. A half breed PC framework arrangement offers a savvy strategy for performing complex recreations.

Based on Size: Type of Computer 

Super Computer 

The quickest and most dominant kind of PC Supercomputers are over the top expensive and are utilized for particular applications that require tremendous measures of numerical counts. For instance, climate estimating requires a supercomputer. Different employments of supercomputers incorporate enlivened illustrations, liquid powerful figurings, atomic vitality research, and oil investigation.

The central distinction between a supercomputer and a centralized computer is that a supercomputer channels all its capacity into executing a couple of projects as quick as could be expected under the circumstances, while a centralized computer utilizes its capacity to execute numerous projects simultaneously.

Centralized server Computer 

A huge and costly PC equipped for supporting hundreds, or even thousands, of clients at the same time. In the chain of importance that starts with a straightforward chip (in watches, for instance) at the base and moves to supercomputers at the top, centralized servers are simply underneath supercomputers. Here and there, centralized servers are more dominant than supercomputers since they bolster progressively synchronous projects. Be that as it may, supercomputers can execute a solitary program quicker than a centralized computer.

Smaller than expected Computer

A moderate-sized PC. In size and power, minicomputers lie among workstations and centralized computers. In the previous decade, the qualification between enormous minicomputers and little centralized servers has obscured, be that as it may, as has the differentiation between little minicomputers and workstations. However, as a rule, a minicomputer is a multiprocessing framework fit for supporting from 4 to around 200 clients at the same time.

Small scale Computer or Personal Computer

  • • Desktop Computer: an individual or small scale smaller than normal PC adequate to fit on a work area. 
  • • Laptop Computer: a versatile PC complete with a coordinated screen and console. It is commonly littler in size than a PC and bigger than a scratch pad PC. 
  • • Palmtop Computer/Digital Diary/Notebook/PDAs: a hand-sized PC. Palmtops have no console yet the screen serves both as an information and yield gadget. 


A terminal or work station in a system. In this unique situation, the workstation is only a nonexclusive term for a client's machine (customer machine) as opposed to a "server" or "centralized server."