tailieunhanh - Lecture Computing for management - Chapter 5
Chapter 5 - Video and sound. After studying this chapter you will be able to understand: Monitors, monitors and video cards, video cards, ergonomics and monitors, data projectors, sound systems. | Lecture 5 Video and Sound Summary of Previous We have learnt, Reasons why some computer users prefer alternative methods of input over a standard keyboard or mouse. Input data by touch Game controllers Input data by light Other input types, . audio, video etc. When to use which input device? Practical Today’s Topics Monitors Monitors and Video Cards Video Cards Ergonomics and Monitors Data Projectors Sound Systems Multimedia The word ‘multimedia’ comes from the Latin word multus means ‘numerous’ and media which means ‘middle’ or Centre. Multimedia consists a large number of visual media like graphics, image, animation etc Visual Display Devices Primary user hardware for displaying visual media such as graphics, text, images. Consists of components such as Monitor, Video adapter card, video adapter cable. Various such devices are CRT, color CRT, DVST, Flat Panel Displays (LCD & Plasma), LED monitors, etc. Monitor It is a most common output device A monitor or display (also called screen or visual display unit) is an electronic visual display for computers. Originally, computer monitors were used for data processing while television receivers were used for entertainment. Monitor Monitor Quality of picture we see on monitor depends upon, Monitor quality itself Video controller. From the 1980s onwards, computers (and their monitors) have been used for both data processing and entertainment. Technologies Different image technique have been used for computer monitors. Until the 21st century most monitors were CRT but they have been phased out for LCD monitors. They are categorized by color output. Monitors connects to the video card of a computer system. Monitors Types Different types of monitors exists, which are; Monochrome Grayscale Color Monochrome Monitor A monochrome monitor is a type of CRT computer display which was very common in the early days of computing. From the 1960s through the 1980s, before color monitors became popular. They are still widely used | Lecture 5 Video and Sound Summary of Previous We have learnt, Reasons why some computer users prefer alternative methods of input over a standard keyboard or mouse. Input data by touch Game controllers Input data by light Other input types, . audio, video etc. When to use which input device? Practical Today’s Topics Monitors Monitors and Video Cards Video Cards Ergonomics and Monitors Data Projectors Sound Systems Multimedia The word ‘multimedia’ comes from the Latin word multus means ‘numerous’ and media which means ‘middle’ or Centre. Multimedia consists a large number of visual media like graphics, image, animation etc Visual Display Devices Primary user hardware for displaying visual media such as graphics, text, images. Consists of components such as Monitor, Video adapter card, video adapter cable. Various such devices are CRT, color CRT, DVST, Flat Panel Displays (LCD & Plasma), LED monitors, etc. Monitor It is a most common output device A monitor or display (also called .
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