REVISION AND PRACTICE E 5 U L These are the most important words you have met in this module. VOCABULARY M O D UNIT 1 3D (three dimensional) representation compass cutting plane drafter drafting drafting machine drawing board floor plan French curve isometric projection line styles orthographic projection pantograph perspective section spline T-square tolerance vanishing point view UNIT 2 ALU/Arithmeticlogic unit application software CPU/Central processing unit CU/Control Unit desktop hard disk drive hardware information processing cycle input device mainframe mass storage device operating system output device RAM memory software UNIT 3 computer-aided design computer-aided manufacturing computer-integrated manufacturing consistent computer-simulated design analysis and optimization design review geometric modelling information exchange management material-handling equipment numerical information realistic prototype solid modelling specifications surface modelling virtual documentation wire frame Now use some of these words in the following sentences. a. is the practice of creating accurate representations of objects for technical, architectural and engineering needs. ................................... b. A practitioner of the craft of drawing is known as a ................................... . c. A variety of ................................... graphically represent physical objects. d. The ................................... of a new electric bike has been prepared. e. The phase of ................................... is necessary to determine the effects of variables on the designed model, before product manufacturing. f. A ................................... is placed on one of the sides of the drawing table, to draw horizontal lines. g. ................................... is a computer technology used to create, modify, and analyze designs. h. The objects can be represented with different ................................... (front, rear, top, bottom, left and right side). i. Orthographic projection is a means of representing a ................................... object in two dimensions (2D). j. A typical form of representation in building engineering is ................................... . k. ................................... is the most realistic method for representing models. l. Production operations can be planned, controlled and carried out with ................................... systems. m. ................................... is often used to describe complex shapes such as turbine blades or car bodies. n. The four functions of a computer (accepting and processing data, storing and showing results) are parts of the ........................... . o. A memory in which each data address can either be written into or read from at any time is known as ........................... . p. MS-DOS, Microsoft Windows and Linux are all examples of ........................... . q. The section of the computer which carries out all the operations is called the ........................... . 204