CONTOH KONVERSI
BILANGAN DESIMAL,BINER,OKTAL,HEKSA DESIMAL
1. Ubahlah bilangan Desimal ke Biner
a.
25
b.
11
c.
100
Jawab :
a.
25 / 2 = 12 sisa 1
12 / 2 = 6 sisa 0
6 / 2 = 3 sisa 0
3 / 2 = 1 sisa 1
= 11001(2)
b.
11 / 2 = 5 sisa 1
5 / 2 = 2 sisa 1
2 / 2 = 1 sisa 0
= 1011(2)
c.
100 / 2 = 50 sisa 0
50 / 2 = 25 sisa 0
25 / 2 = 12 sisa 1
12 / 2 = 6 sisa 0
6 / 2 = 3 sisa 0
3 / 2 = 1 sisa 1
= 1100100(2)
2. Ubahlah bilangan Biner ke Desimal
a.
(11011)2
b.
(1010)2
c.
(101)2
Jawab :
a.
(11011)2 = (1*24) + (1*23)
+ (0*22) + ( 1*21) + (1*20)
= 16 + 8 +
0 + 2 + 1
= 27(10)
b.
(1010)2
= (1*23) + (0*22) + (1*21) + (0*20)
= 8 + 0 +
2 + 0
= 10(10)
C. (101)2 = (1*22) + (0*21)
+ (1*20)
= 4 + 0 + 1
= 5(10)
3. Ubalah bilangan Oktal ke Desimal
a.
27(8)
b.
12(8)
c.
21(8)
Jawab :
a.
27(8) = (2*81) + (7*80)
= 16 + 7
= 23(10)
b.
12(8) = (1*81) + (2*80)
= 8 + 2
= 10(10)
c.
21(8) = (2*81) + (1*80)
= 16 + 1
= 17(10)
4. Ubalah bilangan Heksadesimal ke Desimal
a.
11(16)
b.
12(16)
c.
27(16)
Jawab :
a.
11(16) = (1*161) + (1*160)
= 16 + 1
= 17(10)
b.
12(16) = (1*161) + (2*160)
= 16 + 2
= 18(10)
c.
27(16) = (2*161) + (7*160)
= 32 + 7
= 39(10)
5. Ubalah bilangan decimal ke oktal
a.
23(10)
b.
139(10)
c.
27(10)
Jawab :
a.
23(10) = 23 / 8 = 2 sisa 7
= 27(8)
b.
139(10) = 139 / 8 = 17 sisa 3
17 / 8 = 2 sisa 1
= 213(8)
c.
27(10) = 27 / 8 = 3 sisa 3
=33(8)
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