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Presentation III Classification of Computers By Teacher Julio Cesar Peñaloza Castañeda.

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Presentation on theme: "Presentation III Classification of Computers By Teacher Julio Cesar Peñaloza Castañeda."— Presentation transcript:

1 Presentation III Classification of Computers By Teacher Julio Cesar Peñaloza Castañeda

2 3.1 Types of Computers Computers are classified in a variety of ways depending upon the principles of working, construction, size and applications. Various types of computers are discussed in this section.

3 3.2 Analog and Digital computers The computers that process analog signals are known as Analog Computers. The analog signal is a continuous signal. Examples of Analog computers are the slide rule, ABACUS etc.

4 Digital Computers Computers that process digital signals are known as Digital Computers. The Digital signal is a discrete signal with two states 0 and 1. In practice, the digital computers are used and not analog.

5 3.3 Computer classification by size Personal Computers: PC is the term referred to the computer that is designed for use by a single person. The term ‘PC’ is frequently used to refer to desktop computers. Although PCs are used by individuals, they can also be used in computer networks. Laptops: A laptop or a notebook is a portable personal computer with a clamshell form factor, suitable for mobile use. There was a difference between laptops and notebooks in the past, but nowadays it has gradually died away.

6 Tablet Computer: It is a mobile computer with touch-screen display, circuitry and battery in a single unit. Tablets come equipped with sensors, including cameras, a microphone, an accelerometer and a touchscreen, with finger or stylus gestures substituting for the use of computer mouse and keyboard. Supercomputers: They're the most powerful computers in terms of speed of execution and large storage capacity. NASA uses supercomputers to track and control space explorations

7 Supercomputers A supercomputer is the fastest, most powerful computer –Fastest supercomputers are capable of processing more than one quadrillion instructions in a single second

8 Servers A server controls access to the hardware, software, and other resources on a network –Provides a centralized storage area for programs, data, and information

9 Mainframes A mainframe is a large, expensive, powerful computer that can handle hundreds or thousands of connected users simultaneously

10 Embedded Computers An embedded computer is a special- purpose computer that functions as a component in a larger product


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