1) Design a system same as that shown in Fig. 8 to transmit a data from 4-bit with odd parity bit. 2) If a 74181 ALU IC has on its inputs S3-So-0010, Aj-A-0000,B3-B=1101, M=0 and C 1, what is the output? 3) What are the proper mode-select input signals in ALU to obtain the following operations in the output? a) A XNOR B b) A NOR B c) A plus B 4) Choose the correct answer: a) Which of the following codes has an even parity? (1) 10011000 (3) 11111110 b) The most convenient way to construct a bit parity generator is with (1) NOT gate (3) OR gate c) The purpose of generating bit party is (1) Correction of errors (2) Detection of errors (3) To increase data length d) The arithmetic logic unit is basically a (1) Memory (2) Combinational logic (3) Sequential logic (2) 01110001 (4) 11010101 (2) AND gate (4) XOR gate

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