To integrate technology in Teaching-Learning effectively, the teacher should focus on -

Correct option is D

Answer: (d) Technological Pedagogical Content Knowledge.
Explanation:
TPACK is the framework that integrates technology, pedagogy, and content knowledge. A teacher needs all three, not just technical, instructional, or subject knowledge in isolation. TPACK enables effective integration of technology into teaching by understanding how technology interacts with teaching methods and subject matter.