What does PAD mean?

1, pad is an English word, noun and verb, which means "pad" when used as a noun; Protective equipment; A cushion; "Fill", when used as a transitive verb, means "fill; When "Go" is used as an intransitive verb, it means "go; Walk gently. "

2.PAD, the abbreviation of problem analysis diagram, is another graphical representation tool proposed by Ryuhiko Ercun and others in Japan from 1974, which is mainly used to describe the detailed design of software. Like block diagrams, PAD diagrams can only describe several basic structures that structured programs are allowed to use.

It uses a two-dimensional tree structure diagram to represent the control flow of the program. Based on PAD diagram, it is easy to write a program by following the principle of mechanical tree, and it is also easy to convert this diagram into program code.

3.PAD is a tablet computer, which is a small and portable personal computer with a touch screen as the basic input device. Its touch-screen capacitive screen (also known as tablet technology) allows users to do their homework with a stylus or digital pen instead of a traditional keyboard or mouse.

Users can enter text through the built-in handwriting recognition, on-screen soft keyboard, voice recognition or real keyboard (if the model is equipped).

Extended data:

On June 8th, 2002, 65438+February 8th, 2002, Microsoft officially released the tablet computer and its special operating system Windows XptablePC Edition in new york, which indicated that the tablet computer was entering the stage of commercial sales. But at that time, the hardware technology was not mature, and the Windows XP operating system was designed for traditional computers, which was not suitable for the running mode of tablet computers.

It was not until 20 10 that tablet computers suddenly became popular with the advent of IPAD. 20 10 10 On October 27th, Apple CEO Steve Jobs released the IPad at the Obabuyana Art Center in San Francisco, USA, which made IT vendors focus on the "tablet computer" again.

IPad redefines the concept and design idea of tablet computer, and has achieved great success, thus making tablet computer a product that really drives huge market demand. The concept of this tablet is different from that of Microsoft at that time.

Reference source: Baidu Encyclopedia -—PAD

Reference source: Baidu Encyclopedia -—PAD

Reference source: Baidu Encyclopedia-cushion map