When use of computers increases in day to day life, you should create the flexibility of usage and better accessibility of these devices. When PC evolved, increasing numbers of people started using computers, then, to increase mobility Laptop or computer notebooks arrived in market. Still, they are not that easy to carry or use at all places; handheld computers are those devices which are small enough and can be held in hands and provides all the functionality of a computer. Handheld computers are popularly known as Personal Digital Assistant (PDA).
PDA is certainly a useful device as per functionality and very convenient to carry. But it really cannot replace computer notebooks because of its small keyboard and screen. Currently, efforts are going on to resolve these problems by providing touch screen and by replacing keyboard with stylus which can act as a writing pen.
Handheld computers widely-used by business executives for many different functions, like Blackberry provides access to their mail system while they are still from office. These devices can be used to access internet, receive and send mails, transferring and carrying files, internet fax, and storing data so on. All Hand held computers come with memory card slots which might store multiple Gigabits of data and offer the functionality of a hard disk. It is utilized as phones so people can be connected with one other.
The numerous functions of PDA include smart computer, mobile telephony, media recorder, media player, communication and personal navigation. When the first hand held computer made, it was mainly used as Personal Data Manager which functions as calendar, address book, calculator etc. However later it was integrated with mobile telephony and Operating system like Windows also specifically designed for this. Websites are designed to be displayed on these devices and currently it happens to be used even for cash transactions.
Almost all of original PDAs like Apple Newton and Palm Pilot used touch screen for user interaction and possess only few buttons. Touch screen Handheld Computer utilizes a detachable device called stylus for the working with screen. Stylus is used to touch the screen to activate buttons and menus as per user requirement. User input can be done via different ways, such as virtual keyboard can be accessed by tapping on screen with stylus, external keyboard which happens to be attached through USB port letter or stroke recognition, which can be programmed for people.
Memory cards are utilized as storage devices. These are definitely used as nonvolatile permanent memory. Initially available in few MB however now available in multiple GB; that is in addition to the permanent flash memory which can be inbuilt.
Wired connectivity is used with USB port to non-public computer for accessing information in PDA or PCs. This connectivity is used to transfer data and updating information. Wireless connectivity is employed with infra-red or Bluetooth technologies. Speed of wired connectivity is a bit more than limited speed of wireless connectivity.
Special software programs are used to configure and manage data inside PDA, and this can be synchronized once attached to laptop or computer or laptop. This typically is used to synchronize calendar, contacts and mails. So today, PDAs are now fully equipped computer systems which were started as personal organizers.
PDA is certainly a useful device as per functionality and very convenient to carry. But it really cannot replace computer notebooks because of its small keyboard and screen. Currently, efforts are going on to resolve these problems by providing touch screen and by replacing keyboard with stylus which can act as a writing pen.
Handheld computers widely-used by business executives for many different functions, like Blackberry provides access to their mail system while they are still from office. These devices can be used to access internet, receive and send mails, transferring and carrying files, internet fax, and storing data so on. All Hand held computers come with memory card slots which might store multiple Gigabits of data and offer the functionality of a hard disk. It is utilized as phones so people can be connected with one other.
The numerous functions of PDA include smart computer, mobile telephony, media recorder, media player, communication and personal navigation. When the first hand held computer made, it was mainly used as Personal Data Manager which functions as calendar, address book, calculator etc. However later it was integrated with mobile telephony and Operating system like Windows also specifically designed for this. Websites are designed to be displayed on these devices and currently it happens to be used even for cash transactions.
Almost all of original PDAs like Apple Newton and Palm Pilot used touch screen for user interaction and possess only few buttons. Touch screen Handheld Computer utilizes a detachable device called stylus for the working with screen. Stylus is used to touch the screen to activate buttons and menus as per user requirement. User input can be done via different ways, such as virtual keyboard can be accessed by tapping on screen with stylus, external keyboard which happens to be attached through USB port letter or stroke recognition, which can be programmed for people.
Memory cards are utilized as storage devices. These are definitely used as nonvolatile permanent memory. Initially available in few MB however now available in multiple GB; that is in addition to the permanent flash memory which can be inbuilt.
Wired connectivity is used with USB port to non-public computer for accessing information in PDA or PCs. This connectivity is used to transfer data and updating information. Wireless connectivity is employed with infra-red or Bluetooth technologies. Speed of wired connectivity is a bit more than limited speed of wireless connectivity.
Special software programs are used to configure and manage data inside PDA, and this can be synchronized once attached to laptop or computer or laptop. This typically is used to synchronize calendar, contacts and mails. So today, PDAs are now fully equipped computer systems which were started as personal organizers.
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