1
GATE ME 1993
MCQ (Single Correct Answer)
+2
-0.6
With reference to $$NC$$ machines, which of the following statements is wrong?
A
Both closed-loop and open-loop control systems are used
B
Paper tapes, floppy tapes and cassettes are used for data storage
C
Digitisers may be used as interactive input devices
D
Post processor is an item of hardware
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