Question

Which of the following is a Quaternary activity?

• A. Teaching in a school
• B. Working in a call center (BPO)
• C. Software Development/Information Research
• D. Operating a CNC machine

Hint:

Quaternary activities are: \[ \mathrm{Knowledge\ and\ Information\ Based\ Services} \]

Answer 1

The Correct Option is C

Concept: Quaternary activities are knowledge-oriented services involving:
• Research
• Information technology
• Data processing
• Software services These activities are based on intellectual skills and information handling.

Step 1: Identify the quaternary activity.
\[ \mathrm{Software\ Development/Information\ Research} \] is based on specialised knowledge and information services. Thus: \[ \boxed{\mathrm{Software\ Development/Information\ Research}} \]

Step 2: Analyze the remaining options.
Teaching in a school This is a tertiary service activity. \[ \Rightarrow \mathrm{Incorrect} \] Working in a call center This is also a tertiary service activity. \[ \Rightarrow \mathrm{Incorrect} \] Operating a CNC machine This belongs to manufacturing/secondary activity. \[ \Rightarrow \mathrm{Incorrect} \]

Step 3: Identify the correct option.
Therefore, the correct answer is: \[ \boxed{\mathrm{Software\ Development/Information\ Research}} \] Hence, the correct answer is: \[ \boxed{\mathrm{(C)}} \]