My daily routine exercise Read and translate the text orally

Comprehension check

Exercise 1. Answer the questions. (Огзаки, устно)
1.What does computer graphics system consist of?

A computer-graphics system basically consists of a computer to store and manipulate images, a monitor, various input and output devices, and a graphics software package

2. What a graphics software package is?

.a program that enables a computer to process graphic images by means of mathematical language.

3. How do electrons influence the formation of images on a graphic display screen?

A computer displays images on the phosphor-coated surface of a graphics display screen by means of an electron beam that sweeps the screen many times each second.

4.What devices help users to receive needed images on a display screen?

special programs send digital data from the computer’s memory to film recorder, which records the image sequence on video film

5.What are two methods to store and process pictures in a computer memory

: raster graphics and vector graphics. Raster-type graphics maintain an image as a matrix of independently controlled dots, while vector graphics maintain it as a collection of points, lines, and arcs. Raster graphics are now the dominant computer graphics technology