1. (3 points) Express -15.5625 (base 10 numbers) in: a) 16-bit fixed-point sign/magnitude format with eight integer bits and eight fraction bits. Express your answer in hexadecimal. b) 16-bit fixed-point

two's complement format with eight integer bits and eight fraction bits. Express your answer in hexadecimal. c) in IEEE 754 single-precision floating- point format. Express your answer in hexadecimal.