Английский, вариант 3 (КГТУ)
контрольные работы, английский язык
Год сдачи: 2012
Стоимость: 600 руб.
I. Перепишите и письменно переведите текст на русский язык:
There are several devices used for inputting information into the computer: a keyboard, some coordinate input devices, such as manipulators
(a mouse, a track ball), touch panels and graph¬ical plotting tables, scanners, digital cameras, TV tuners, sound cards etc.
When personal computers first became popular, the most common device used to transfer information from the user to the computer was the keyboard.
Later when the more advanced graphics became to develop, user found that a keyboard did not provide the design capabili¬ties of graphics and text representation on the display. There appeared manipulators, a mouse and
a track ball, that are usu¬ally used while operating with graphical interface. Each software program uses these buttons differently.
The mouse is an optic-mechanical input device. The mouse has three or two buttons which control the cursor movement across the screen. The mouse provides the cursor control thus simplifying user's orientation on the display. The mouse's pri¬mary functions are to help the user draw, point and sel ect im¬ages on his computer display by moving the mouse across the screen.
In general software programs require to press one or more buttons, sometimes keeping them depressed or double-click them to issue changes in commands and to draw or to erase images. When you move the mouse across a flat surface, the ball located on the bottom side of the mouse tu
s two rollers.
In portable computers touch panels or touch pads are used instead of manipulators. Moving a finger along the surface of the touch pad is transformed into the cursor movement across the screen.
Graphical plotting tables (plotters) find application in draw¬ing and inputting manuscript texts. You can draw, add notes and signs to electronic documents by means of a special pen. The quality of graphical plotting tables is characterized by permit¬ting capacity, that is the...
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