An electronic multiplexer can be considered as a multiple-input, single-output switch, and a demultiplexer as a single-input, multiple-output switch.
ʌ n WORD_BOUNDARY ɪ l ɛ k t ɹ ɑ n ɪ k WORD_BOUNDARY m ʌ l t ɪ p l ɛ k s ə ɹ WORD_BOUNDARY k æ n WORD_BOUNDARY b iː WORD_BOUNDARY k ə n s ɪ d ə ɹ d WORD_BOUNDARY æ z WORD_BOUNDARY ʌ WORD_BOUNDARY m ʌ l t ɪ p ə l ɪ n p ʊ t WORD_BOUNDARY s ɪ ŋ ɡ ə l aʊ t p ʊ t WORD_BOUNDARY s w ɪ t̠ʃ WORD_BOUNDARY æ n d WORD_BOUNDARY ʌ WORD_BOUNDARY d ɛ m ə l t ɪ p l ɛ k s ə ɹ ɹ WORD_BOUNDARY æ z WORD_BOUNDARY ʌ WORD_BOUNDARY s ɪ ŋ ɡ ə l ɪ n p ʊ t WORD_BOUNDARY m ʌ l t ɪ p ə l aʊ t p ʊ t WORD_BOUNDARY s w ɪ t̠ʃ WORD_BOUNDARY