Question0: (in computing, we often start counting from 0) 25 points ] (a) Convert (21.23)4 into its base-5 representation with up to 4 significant digits after the "base-5 decimal point". (b) Convert (57.6875)10 into its base-6 representation. (c) Convert (21)16 into its base-8 representation (d) Convert (0. 0001)2 into its base-4 representation. Question 1:[25 points ] (a) Give the range of integers representable using 6-bit sign-magnitude notation. (b) Give the range of integers representable using 6-bit two's complement notation. (c) Perform the operation (-16) -15 using 6-bit two's complement arithmetic. Indicate whether overflow has occurred. (d) Perform the operation 32 +32 using 6-bit two's complement multiplication following the "pencil-paper" method using sign extension (e) Convert the following IEEE 754 32-bit floating point format number into its equivalent deci mal value 0 0 10 0 00 0 0 0 0 0 0 o 0 0 0 0 0 0 0 o o 0