(a) Find the content of R20 after each of the following instruction is executed. Show your working steps. CLC LDI 5 UTM 5 UTM R20, 0×4D SWAP R20 ROL R20 UTN ASR UTM UTM UTM UTM UTM 5 UTM UTN 10

Q: I need to create a Two to one with 4 bit  multiplexer

A: To create 4 bit 2×1 multiplexer we need 4, 1 bit 2×1 multiplexer Schematic is shown below.

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A:

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Digital to Analog Converters

Digital to analog converters are commonly known as DAC, digital analog converter, D2A, or Digital-to-Analog converters. DACs are one of the important devices used in the electronics and electrical domain. DACs are the systems that convert a digital signal into an analog signal, whereas an analog to digital converter or ADC performs the opposite function. Digital signals are those signals that can represent the information or data as a set of discrete values. At a particular instant of time, a digital signal can only take a particular value of data. A digital signal is characterized by two unique values; zeros and ones, or true and false, represented by the Boolean domain. These are also known as binary signals or logic signals. Unlike digital signals, an analog signal is represented by continuous values, where at any time instant, the analog signal is represented by a real number.