Difficulty: Easy
Correct Answer: Silicon and germanium
Explanation:
What is being asked?The elemental semiconductors historically and presently used for transistor fabrication.
Given data
Concept/ApproachSilicon (Si) dominates modern ICs/transistors; germanium (Ge) was widely used in early transistors and is still used in SiGe technologies.
Final AnswerSilicon and germanium
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