(1) Polling is a CAM. In a master/slave scenario, the master queries each slave device in turn as to whether it has any data to transmit. If the slave answers yes then the device is permitted to transmit its data. If the slave answers no then the master moves on and polls the next slave device. The process is repeated continuously.
- polyfont recognition
A commonly used term in conjunction with OCR software. Polyfont recognition refers to the capability of computer software, usually OCR software, to read (or recognize) more than one type of font on a document.
)In computer graphics, a continuous line composed of one or more line segments. You can create a polyline by specifying the endpoints of each segment. In draw programs, you can treat a polyline as a single object, or divide it into its component segments.
A chain of many monomers. For example, cellulose is a polymer that is formed from the monomer glucose. Polymerization is a chemical reaction in which two or more molecules, or monomers, combine to form larger molecules, or polymers.
- polymorphic virus
A virus that changes its virus signature (i.e., its binary pattern) every time it replicates and infects a new file in order to keep from being detected by an antivirus program.
Generally, the ability to appear in many forms. In object-oriented programming, polymorphism refers to a programming language’s ability to process objects differently depending on their data type or class. More specifically, it is the ability to redefine methods for derived classes. For example, given a base class shape, polymorphism enables the programmer to define different […]