C.A.D. Basics

C.A.D. stands for

• Computer Aid Drafting

• Calculating Angles

  Degrees

• Complex Assisted Drawing

• Completely Artificial Drafting

is a surface in which a straight line joining any two of its points will lie wholly on the surface

Which of the following are planes

• XY

• BD

• AD

• AX

The point of origing is ​ ​ (a)   , ​ (b)  

• 0
• 1
• 2
• 3
• 4
• -1
• -2
• -0

Numerical control use a

• soft-wired system

• hard-wired system

• real number system

Computerized numerical control uses a

• soft-wired system

• hard-wired system

• real number system