Represent each of the following by a binary number.
a) 1×2^4+0×2^3+1×2^2+0×2^1+1
b) 2^3+2^1
=10101
=8+2
=100+10
=110
2007-07-04 19:28:07 補充:
第2條計錯b) 2^3 2^1=8 2=1000+10=1010因為2^1=102^2=1002^3=1000所以2^3 2^1=1010
=10000+100+1
=10101(2)
b)2^3+2^1
=1000+10
=1010(2)