Question: 5.1 Convert a binary number 101111.11 to a decimal number, and then to a hexadecimal. 5.2 Are the following numbers in binary using 2's complement

 5.1 Convert a binary number 101111.11 to a decimal number, and

5.1 Convert a binary number 101111.11 to a decimal number, and then to a hexadecimal. 5.2 Are the following numbers in binary using 2's complement to represent negative numbers. Use a word length of 4 bits (including sign) and indicate if an overflow occurs. (a) (-3) + (-5) (b) 4+ (-7)

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