Computer systems

COMPUTER SYSTEMS



Pc and Base unit

Short for Personal computer or IBM PC. The first personal computer produced by IBM was called the PC, and increasingly the term PC came to mean IBM or IBM-compatible personal computers, to the exclusion of other types of personal computers. Pc stands Personal computer.

Laptops 

Laptops are versatile, lightweight, and portable. Increased RAM (random access memory) and hard drive space make them more powerful than their predecessors. They can handle the most demanding software applications, and the longer life of modern batteries encourages their use away from the home or office.

A netbook is a mini-laptop computer designed for mobility, wired and wireless online access, word processing and general office applications. They are very light and featuring LCD screens between and small screens the netbook is a perfect companion for people on the go who want connectivity without carrying a much heavier, full-sized laptop along.

 

The main purpose of a personal digital assistant (PDA) is to act as an electronic organizer or day planner that is portable, easy to use and­ capable of sharing information with your pc. It's supposed to be an extension of the PC, not a replacement.

Gane console 

A video game console is an interactive entertainment computer or modified computer system that produces a video display signal which can be used with a display device (a television, monitor, etc.) to display a video game. The term "video game console" is used to distinguish a machine designed for consumers to buy and use solely for playing video games from a personal computer, which has many other functions, or arcade machines, which are designed for businesses that buy them and then charge others to play.

Mobile Phones

An electronic telecommunications device, often referred to as a cellular phone or cell phone. Mobile phones connect to a wireless communications network through radio wave or satellite transmissions. Most mobile phones provide voice communications, Short Message Service (sms), Multimedia Message Service (Msn),  and newer phones may also provide internet services such as Web browsing and e-mail

A Tablet PC is a cross between a notebook PC and a (PDAIt's a flat-panel portable PC in the form of a slate. A user inputs data either by tapping the screen. The tablet PC can wirelessly connect to the Internet and other PCs and is intended to provide the power of a notebook in hand-held form.

A server is primarily a program that runs on a machine, providing a particular and specific service to other machines connected to the machine on which it is found. Nowadays, server functionality has become so rich, complex and varied in nature that there are whole very powerful computers dedicated to being exclusively servers. This has led many non-technical people to denote servers as being machines that run services.

Embedded devices are small programmable chips that can be programmed to execute certain orders such as open doors bank machines'
 control panel in an elevator is an embedded device
coffee machine that senses the temp of coffee/water mixture
Auto sliding doors that senses the temp of people approaching the door giving the command to a mechanical accessories to slide open then close after certain delayalot of things that run without human beings intervention are generically described as Embedded devices.