Kinzhebayeva , D. and Kinzhebayeva, K.A. 2021. RESEARCH OF THE OPERATION PRINCIPLE OF OF THE MULTIPLEXER AND DEMULTIPLEXER USING MODERN PEDAGOGICAL TRAINING TECHNOLOGIES . Bulletin of the Abai KazNPU, the series of "Physical and Mathematical Sciences". 73, 1 (Mar. 2021), 96–102. DOI:https://doi.org/10.51889/2021-1.1728-7901.14.