计算机英语unit15.pptVIP

2003-8-30 /computer english Computer English Unit One Personal Computing Computer English Unit Fifteen Computer Graphics Task 1 Start-up 1. Graphics: 图形学 a non-character based method of displaying information on a screen, usually used for displaying pictures. The basic unit from which the display is built up is the pixel（象素）. Unit Fifteen Computer Graphics Task 2 I.Terminologies and words 1. vein: 静脉 2. organ: 器官 3. peacock: 孔雀 4. roller-skate: 用滚轮溜冰 5. incorporate: 合并 6. three-dimensional: 三维的, 立体的 7. tumour: 瘤, 肿瘤, 肿块 8. surgeon: 外科医生 9. cosmetic: 美容性的（外科手术等） 10.surgery: 外科手术 II.Listen to the tape and complete Task 2 (test) III.Translation In Class (E) (test) 1. This picture shows a series of high-resolution images on screen.The images are displayed using a 24-bit graphics expansion board to drive the monitor. 2. The image is achieved using powerful computer programmes which use two-dimensional scan data as input to create three dimensional images on screen. Unit Fifteen Computer Graphics Task 4 Tunnel vision I. Terminologies and Words 1.vision: 视力, 视觉, 幻想, 幻影, 景象 2.taxi: 滑行, （起飞前或降落后在地面或 水面上）缓慢地移动. 3.inherent: 固有的, 内在的 4.jiggery pokery: 欺诈, 欺骗 5.retouch: 润饰 6.jumbo: 大型喷气式客机 7.estate: 旅行车, 客货两用车 8.out of character: 不适合, 和...不相称 9.shrubbery: 灌木, 灌木林 10.spiky: 大钉子似的，长而尖的，出众的 Unit Fifteen Computer Graphics Task 8 24-bit colour I. Terminologies and Words 1. 8-bit colour: 8位色彩 describing colour monitors which use eight bits to control 256（28） possible shades of grey or 256 colours. III. Definition Reciting 1. Graphics 2. Digital image processing 3. Monochrome graphic 4. Grayscale graphics 5. True–color graphic Homework 1. Fill in the following blanks A Monochrome graphic require _ bits for each pixel; A 256-color graphic require _ bits for each pi