The number of LED segments used in a calculator display:
Correct answer: C. 7
- A. 8
- B. 10
- C. 7
- D. None
Explanation
7-segment Displays can be used together to display digits from 0 to 9 as well as a few... Nowadays it is very easy to display numbers in calculators.
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Classical physics cannot explain blackbody radiation and related observations, leading to Planck’s quantum theory, in which energy is emitted or absorbed in discrete packets. Photons provide the particle model of light, with energy and momentum linked to frequency and wavelength, including the photoelectric effect and its threshold frequency.
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