1.1 In your own words, how would you describe the term computer numerical control? (3)

1.2 How does the PLC are utilized in our days? (2)

1.3 If machining is a manufacturing process in which the geometry of the work is produced by removing excess material and it’s considered to be one of the most versatile processes because it can be used to create a wide variety of shapes and surface finishes. Give four common machining operations? [4]

1.4 How would you generate ladder logic diagrams for the following logic gates :

a) AND (4)

b) NOT (3)