18. Palmtop Palmtop is a small computer that literally fits in your palm also pocket computers, comparing to full-size computers they work for certain functions such as phone books and calendars. Because of their small size, most palmtop computers do not include disk drives but PCMCIA slots enable you to add disk drives, modems, memory, and other devices. Palmtops are smaller, lightweight with sufficient battery life, palmtops larger and heavier version is called handheld computer. The Palmtop is designed with a small keyboard and a flip-up screen and is more usable to surf the web while you are on the move.
19. Smart cellphones Smart cell phone is simply a phone with advanced features like e-mail, Internet and e-book reader capabilities and built-in keyboard. In other words, it is a miniature computer that has phone capability smart cell phone is a mobile phone offering advanced capabilities, often with PC-like functionality and can work PC-Mobile handset conversion.
20.
21.
22.
23.
24.
25.
26. Mainframes Mainframe is based on the cabinet containing central processor unit or "main frame" in a entire room, it is an other giant computer after the super computer is Mainframe, which can also process millions of instructions per second and capable of accessing billions of data. This type of computer commonly used in big hospitals, air lines reservations companies because its capability to get, manage and retrieve bulk of data. Likewise super computer it is also most expensive and recommended for specials applications.
27.
28. Super Computer The biggest in size, the most expensive in price than any other is classified and known as super computer. It can process trillions of instructions n seconds, this computer is neither used as a PC in a home nor student in college. This is special purpose computer, most govt. institutions use this type of computer for their different calculations and heavy job, different industries use this huge computer for designing the products.
29.
30. Wearable computers The latest trend in computing is wearable computers possessing email, database, multimedia, calander/schedular are integrted into watches, cell phones, visors and even clothing. When the users hands and other sensory organs are engaged in other activities, wearable computers are of great help in tracking human actions, these computers are consistently in operation as they do not have to be turned on and off and are constantly interacting with the user. Wearable computers are worn on the body parts and they have been applied to areas such as behavioral modeling, health monitoring systems.
![Classification ,[object Object],[object Object],[object Object],[object Object],[object Object]](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)