1.Design a minimal two-level single-error detector for the 2-out-of-5 code. The input is a digit in the 2-out-of-5 code and the output is 0 if the number of 1s in the input is 2. Use K-maps to write the switching expression. 2.A home entertainment center has four different audio sources that can be played over the same set of speakers. Each audio source, named A, B, C, and D, is connected using 8 wires on which an 8-bit audio signal is transmitted. The user selects which audio source is to be played using a rotary switch with four outputs: s0, s1, s2, and s3, of which exactly one will be ‘1’ at any given time. If s0=’1’, then audio source A is to be played; if s1=’1’ then audio source B; and, so on. Create a digital circuit with a single 8-bit output O that will output the user’s selected audio source. For an eight bit
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