Types of Computer Systems

 

 

 

PDA

 

A personal digital assistant (PDA), also known as a palmtop computer, or personal data assistant, is a mobile device that functions as a personal information manager. PDAs are largely considered obsolete with the widespread adoption of smartphones.

 

 

 

PC

A personal computer (PC) is a general-purpose computer, whose size, capabilities, and original sale price makes it useful for individuals, and which is intended to be operated directly by an end-user with no intervening computer operator. This contrasted with the batch processing or time-sharing models which allowed larger, more expensive minicomputer and mainframe systems to be used by many people, usually at the same time. Large data processing systems require a full-time staff to operate efficiently.

 

 

 

 

Laptop

A laptop is a portable personal computer with a clamshell form factor, suitable for mobile use. A laptop has most of the same components as a desktop computer, including a display, a keyboard, a pointing device such as a touchpad (also known as a trackpad) and/or a pointing stick, and speakers into a single unit. A laptop is powered by mains electricity via an AC adapter, and can be used away from an outlet using a rechargeable battery. Laptops are also sometimes called notebook computers or notebooks. Other terms, such as ultrabooks or netbooks, refer to specific types of laptop / notebook. Most of the modern day laptop computers also have a webcam and microphone pre-instalation.

 

 

 

 

 

 

Gaming Console

A video game console is an interactive computer 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 people to buy and use primarily for playing video games on a TV in contrast to arcade machines, handheld game consoles, or home computers. The video game console was first invented in the 1950s and has continued to evolve, with the latest consoles being released in 2013.

 

Video game consoles have used a variety of distribution media, with the earliest generation employing cartridges and the latest using the Internet and optical media. Console hardware architecture has also changed greatly with each successive generation of consoles, making backwards compatibility largely unavailable in modern-day consoles.