Răspuns:
Explicație pas cu pas:
3.
51 : 2 = 25 rest 1
25 : 2 = 12 rest 1
12 : 2 = 6 rest 0
6 : 2 = 3 rest 0
3 : 2 = 1 rest 1
1 : 2 = 0 rest 1
51 = 110011
____
127 : 2 = 63 rest 1
63 : 2 = 31 rest 1
31 : 2 = 15 rest 1
15 : 2 = 7 rest 1
7 : 2 = 3 rest 1
3 : 2 =1 rest 1
1 : 2 = 0 rest 1
127 = 1111111
_____
75 : 2 = 37 rest 1
37 : 2 = 18 rest 1
18 : 2 = 9 rest 0
9 : 2 = 4 rest 1
4 : 2 = 2 rest 0
2 : 2 = 1 rest 0
1 : 2 = 0 rest 1
75 = 1001011
_________
47 : 2 = 23 rest 1
23 : 2 = 11 rest 1
11 : 2 = 5 rest 1
5 : 2 = 2 rest 1
2 : 2 = 1 rest 0
1 : 2 = 0 rest 1
47 = 101111
_____________________________
4.
101 = 1*2^0 + 0*2^1 + 1*2^2 = 1 + 0 + 4 = 5
____
11011 = 1*2^0 + 1*2^1 + 0*2^2 + 1*2^3 + 1*2^4 = 1 + 2 + 0 + 8 + 16 = 27
____
1100 = 0*2^0 + 0*2^1 + 1*2^2 + 1*2^3 = 0 + 0 + 4 + 8 = 12
_____
1110111 = 1*2^0 + 1*2^1 + 1*2^2 + 0*2^3 + 1*2^4 + 1*2^5 + 1*2^6 =
1 + 2 + 4 + 0 + 16 + 32 + 64 = 119
