1, pad is an English word, noun, verb, as a noun means "pad; padding; note book; fill", as a transitive verb means "to fill; walk", as an intransitive verb means "to walk; to walk at a gentle pace".
2, PAD is the Problem Analysis Diagram (Problem Analysis Diagram) of the acronym, since 1974 by the Japanese Ryohiko Futamura and others proposed another mainly for the description of the detailed design of software graphical representation tools. Like block diagrams, PAD diagrams can only describe several basic structures that structured programs are allowed to use.
It represents the control flow of a program as a two-dimensional tree-structured diagram, and it is easy to write a program based on a PAD diagram that follows the mechanical rules of Tree Walk, and it is relatively easy to convert such diagrams to program code.
3, PAD is a tablet computer, it is a small, portable personal computer, touch screen as the basic input device. It has a touchscreen capacitive screen (also known as digital pad technology) that allows users to work with a stylus or digital pen instead of a traditional keyboard or mouse.
Users can enter text via built-in handwriting recognition, an on-screen soft keyboard, voice recognition, or a real keyboard (if the model comes with one).
Expanded Information:
p>On December 8, 2002, Microsoft officially released the Tablet PC and its dedicated operating system Windows XPTablet PC Edition in New York City, which marked the very beginning of the Tablet PC's commercial sales phase. However, due to the level of hardware technology at that time was not yet mature, and the Windows XP operating system used was designed for traditional computers, and is not suitable for Tablet PC operation.
Until 2010, the emergence of the IPAD, Tablet PCs suddenly burst into flames. iPad was released by Apple CEO Steve Jobs on January 27, 2010 at the O'Brien Arts Center in San Francisco, USA, which allowed IT manufacturers to refocus their attention on "Tablet PCs".
The iPad is the first tablet computer in the world to be released.
The iPad redefined the concept and design of tablet computers and has been a huge success, making the tablet computer a real product with huge market demand. The concept of a tablet is not the same as Microsoft's Tablet.
Reference:Baidu Encyclopedia-PAD
Reference:Baidu Encyclopedia-PAD
Reference:Baidu Encyclopedia-PAD Diagram