A ‘block’ of information in a Numerical Control machine program means

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ISRO LPSC Technical Assistant Mechanical 23 Feb 2020 Official Paper
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  1. one row on tape
  2. a work comprising several rows on tape
  3. one complete instruction
  4. one complete program for a job

Answer (Detailed Solution Below)

Option 3 : one complete instruction
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Explanation:

A ‘block’ of information in a Numerical Control machine program means one complete instruction control automatic tool machine.

Numerical control is composed of four basic elements:

  • An input interface that transforms signals into power levels that are suitable for logic devices in the control system.
  • Some form of instructions, or logic to be given to the machine.
  • Memory, which allows a machine to perform a sequence of operations to know what and when to proceed to the next step.
  • An output interface that changes the signals for machine actions to takes place.
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