Published May 09, 2018
Device driver is a program for managing each I/O device connected to a computer. The controller of each device has a set of registers to give the command being controlled to the device and to read its state. For example, a disk management program should know about sectors, tracks, cylinders, heads, their movement and installation time...
Published May 09, 2018
The most common devices for solving the problem of transferring paper documents to electronic copies are scanners. The translation of paper documents into electronic copies will save them almost forever. In addition, the development of the global network allows you to exchange information only in electronic form...
Published May 09, 2018
The sound we hear is a longitudinal wave in the air. To introduce a sound in binary code, readable by a computer, you need to do some conversions. First, the sound signal is converted into an electrical analog of the sound with the help of a microphone. The electrical analog is obtained in a continuous form and is not suitable for processing...
Published May 09, 2018
Digitizing images is possible using vector and raster graphics methods. Vector images are created as a collection of lines, vectors, points. Raster images are formed as a set of points (pixels), distributed in rows and columns. Any color can be represented by a combination of three primary colors, while the color of the mixture depends only on the color of the components...
Published May 09, 2018
Sound card is a peripheral device that is mainly included in the main chipset of motherboards and provides the quality of recording and playback of audio information no worse than an audio CD. The sound card has standard outputs for connecting the computer's speaker system and external audio amplifiers, as well as stereo digital-analog...
Published May 09, 2018
File system is a part of the operating system that works with files and provides storage of data on disks and access to them. That is, any file system is designed to store information about the physical location of parts of the file. The most important aspect of the file system is the naming and protection of files, operations with them, etc. The computer does not care what name a program...
