A computer system comprises hardware and software components, aiming to offer a powerful computational tool. These systems play a crucial role across diverse domains, aiding us in numerous tasks. The prevalence of the internet has significantly bolstered the utilization of computers for information sharing and communication. Computer systems empower us to store, process, display, and transmit information. Even in a basic modern computer system, multiple programs are typically required to carry out various functions effectively.

Tuesday, November 28, 2017

Optical scanning system

A scanning system can be an input or output system or a combination of both.  A system’s imaging fidelity depends on and begins with the reading of the input information and ends with the writing of the output data.

Optical scanning can be defined as a system articulation of light to provide information transfer.

An optical scanner is a digital computer input hardware that captures a bit-mapped image of a document.

When the image scanned is a photograph, it may be stored for use as is or be subjected to image processing.

It can read text and graphics from printed material.  A scanner works by digitizing an image – by digitizing it into a grid boxes and representing each box with either a zero or a one, depending on whether the box is filled in.

Optical scanning serves as an information converter. It transforms a spatial function such as images into a time domain to adapt it to electronic processing.
Optical scanning system

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