Тема 20 Графіка і дизайн - part 3

1 Прочитайте та перекладіть, заповніть пропуски відповідними словами із списку (письмово)

List of words: translation, rendering, scaling, create, transformation, transform, rotation;

You cannot (1) … a picture simply by specifying primitives. Instead, you must specify the primitives and their attributes, then (2) … them by specifying where and how you want them placed on the screen so they create your picture. (3) … means moving or otherwise manipulating the object by translating, rotating and scaling the object.

(4) … is moving an object along an axis to somewhere else in the viewing area. (5) … is turning the object around an axis. (6) … is making the object larger or smaller in any of the horizontal, vertical or depth directions (corresponding to the x, y and z axes). The term rendering describes the techniques used to make your object look real. (7) … includes hidden surface removal, shading, light sources and reflections.

2 Прочитайте та перекладіть, заповніть пропуски відповідними словами із списку. (письмово)

List of words: panting; line; package; clicking; icons; drawing; circles; graphical; attributes;

A BASIC TOOL PALETTE

A graphics (1) … is the software that enables you to draw and manipulate objects on a computer. Each graphics package has its own facilities, plus a wide range of basic drawing and (2) … tools. The collection of tools in a package is known as a palette.

The basic shapes which are used to make (3) … objects are called 'primitives`. These are usually geometric, such as lines between two points, arcs, (4) ... , polygons, ellipses and even text. You can choose both the primitive you want and where it should go on the screen. Moreover, you can specify the (5) … of each primitive, such as its colour, (6) … type, fill area, interior style and so on.

The various tools in a palette usually appear together as pop-up (7) … in a menu. To use one you activate it by (8) … on it. For example, if you want to draw a rectangle, you activate the rectangle tool and the pop-up options allow you to choose the origin of the rectangle (using the insertion point as its centre or corner) and the possibility of (9) … a rectangle with rounded corners.

3 Використовуючи принцип побудови речень з Cause and Effect опишіть наслідки шкідливої діяльності наступних вірусів (письмово)

Example: Cascade (File virus - COM files only): a. A particular date occurs. b. The payload is triggered. c. Characters on a text mode screen slide down to the bottom. - When a particular date occurs, the payload is triggered which makes characters on a text mode screen slide down to the bottom.

1) logic bomb – example: a. A dismissed employee's name is deleted from the company's payroll. b. A logic bomb is activated. c. All payroll records are destroyed.

2) Form (Boot sector virus): a. A certain date occurs. b. A trigger routine is activated. c. Keys beep when pressed and floppies are corrupted.

3) Beijing (Boot sector virus): a. The operator starts up the computer for the one hundred and twenty-ninth time. b. A trigger routine is activated. c. The screen displays, 'Bloody! June 4, 1989'.

4) AntiEXE: a. The infected program is run. b. The boot sector is corrupted. c. The disk content is overwritten. d. Data is lost.

5) macro virus-example: a. An infected document is opened in the wordprocessor. b. The virus macro is executed. c. The virus code is attached to the default template. d. The user saves another document. e. The virus code attaches to the saved document. f. The saved document is opened in the wordprocessor. g. The virus destroys data, displays a message or plays music.