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1. (50 marks) i) What is the signed two's complement 8-bit binary representation of (-9)? A. (999) B. (FF):6 C. (11110111), D. (10001001), ii) What

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1. (50 marks) i) What is the signed two's complement 8-bit binary representation of (-9)? A. (999) B. (FF):6 C. (11110111), D. (10001001), ii) What is the result of (11001), + (101), ? A. (11110) B. (77) C. (01111)2 D. (AA):6 Which of the following is equal to (175). ? A. (251) B. (255) C. (253). D. (257) iv) What is the identity element with respect to the XOR operation? A. X +0 B. x0 C. x+1 D. x1 v) Which of the following is correct? A. x + 0 = 0 B. xy + y = x C. x + xy = x D. x+1=x

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