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Semiconductor Chip UPSC NOTE


  • A semiconductor chip is primarily composed of transistors, which are made from a specially selected material, typically silicon.

  • The main function of a transistor is to encode information as 0s and 1s and manipulate them to generate new information.

  • Transistors consist of three parts: the source, the gate, and the drain (or sink).

  • The flow of current between the source and drain points is controlled by the voltage applied to the gate, acting as a "gate" in computing, operating with electrical means.

  • Semiconductor nodes historically named based on gate length and distance between adjacent metal strips (pitch).

  • Smaller transistors allow more to fit on a chip, increasing data storage and computing power.

  • Discrepancy arose as metal pitch and gate length reduced, leading to the shift away from physical parameters in node names.

  • Node names hold no significance in terms of physical dimensions; used by marketers to denote improvements over previous iterations.

  • India's current focus on 28 nm or higher nodes

  • legacy nodes offer advantages for cost-effective applications like robotics, defense, and automobiles.

  • Demand for legacy nodes increasing in areas like electric cars, infotainment, and Internet of Things, making it sensible for India to start with legacy nodes and improve over time.



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Learnerz IAS | Concept oriented UPSC Classes in Malayalam: Semiconductor Chip UPSC NOTE
Semiconductor Chip UPSC NOTE
Learnerz IAS | Concept oriented UPSC Classes in Malayalam
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