CHAPTER 3- COMPUTERS AND MOBILE DEVICES
Computers and Mobile Devices
- Types of computers include:
- Desktop and mobile computers
- A personal computer (PC) is a computer that can perform all of its input, processing, output, and storage activities by itself and is intended to be used by one person at a time
- A mobile computer is a portable personal computer, designed so that a user easily can carry it from place to place
- A desktop, or desktop computer, is a personal computer designed to be in a stationary location, where all of its components fit on or under a desk or table
- A laptop, also called a notebook computer, is a thin, lightweight mobile computer with a screen in its lid and a keyboard in its base
- A tablet is a thin, lightweight mobile computer that has a touch screen
- A handheld computer is a computer small enough to fit in one hand
- Servers
- A server is a computer dedicated to providing one or more services to other computers or devices on a network
- Rack server
- Blade server
- Tower server
- A mainframe is a large, expensive, powerful server that can handle hundreds or thousands of connected users simultaneously
- Supercomputer
- A supercomputer is the fastest, most powerful computer — and the most expensive
- Servers VS Supercomputer
- Terminal
- A terminal is a computer, usually with limited processing power, that enables users to send data to and/or receive information from a server, or host computer
- An ATM (automated teller machine) is a self-service banking terminal that connects to a host computer through a network
- A self-service kiosk is a freestanding terminal that usually has a touch screen for user interaction
- Mobile devices
- A smartphone is an Internet-capable phone that usually also includes a calendar, an appointment book, an address book, a calculator, a notepad, games, browser, and numerous other apps
- A digital camera is a mobile device that allows users to take photos and store the photographed images digitally
- A portable media player, sometimes called a personal media player, is a mobile device on which you can store, organize, and play or view digital media
- An e-book reader (short for electronic book reader), or e-reader, is a mobile device that is used primarily for reading e-books and other digital publications
- Game devices
- A game console is a mobile computing device designed for single-player or multiplayer video games
- A handheld game device is a small mobile device that contains a screen, speakers, controls, and game console all in one unit
- Game controllers include gamepads, joysticks and wheels, dance pads, and a variety of motion-sensing controllers
- Embedded computers
- Smartphones, digital cameras, e-book readers and portable media players
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