ITPEC IP October 2021 Question 86

Product designing — CAD (Computer-Aided Design) supports the design of products.

CAD lets designers create, change and check drawings and 2D or 3D models of products on a computer. Shapes and dimensions are stored as data, so designs can be revised quickly, parts can be reused, and the data can be passed on to manufacturing.

Answer (c)

Why not others:

• •(a) — process designing, deciding how the product will be machined and assembled, is the job of process planning tools and CAM, which turns the design data into machining instructions
• •(b) — production planning, what to make, how many and when, is supported by production management systems such as MRP
• •(d) — delivery planning belongs to logistics and distribution systems

Key rule: CAD designs the product, CAM makes it from the CAD data, and production management systems such as MRP plan quantities and timing: match the system to the stage.

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