PC register for RAM

1) convert the following numbers to 2s complement (following numbers for this question are all base 10) 30 points
a) -56 b) -112 c) +77
2) convert numbers to base 4 30 points
a (Al231) base 16
b: (77543) base 8 c: (114) base 10
3) Subtract the following numbers: 20 points a: (Al24) base 16 – (2ABDE) base 16 b: (6123) base 8 – ( 2676) base 8
4) How many bits in PC register for RAM size is 64 Meg? 20 points

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