Question:
Which of the following would produce analogue signals and which would produce digital signals?
(i) A vibrating tuning fork
(ii) Musical sound due to a vibrating sitar string
(iii) Light pulse
(iv) Output of NAND gate
Solution:
(i) A vibrating tuning fork and ii) musical sound due to a vibrating sitar string will produce analogue
(iii) Light pulse and iv) Output of NAND gate will produce digital signals.
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