Tugas 2

Desimal	Biner	Oktal	Hexadesimal	BCD
71	1000111	107	47	01110001
38	100110	46	26	00111000
23	010111	27	17	00100011
105	1101001	151	A5	01101001
97	1100001	141	57	10010111

Pembahasan

_1. a. 71₁₀ =…………..₂

26	25	24	23	22	21	20
1	0	0	0	1	1	1

2. 71₁₀ = 107 ₈

71/8 = 8 sisa = 7

8/8 = 1 sisa = 0

3. 71₁₀ = 47 ₁₆

71/16 = 4 sisa = 7

4. 71₁₀ = 01110001 _BCD

7 1

0111 0001

2. a. 100110 ₂ = 38 ₁₀

1 0 0 1 1 0

2⁵ 2⁴ 2³ 2² 2¹ 2⁰

32+0+0+4+2+0= 38

b. 38₁₀ = 46 ₈

38/8 = 4 sisa = 6

c. 38 ₁₀ = 26 ₁₆

38/16 = 2 sisa = 6

d. 38 ₁₀= 00111000 _bcd

3 8

0011 1000

3 a. 27₈ = 010111 ₂

2 7

010 111

b. 010111₂ = 23 ₁₀

0 1 0 1 1 1

2⁵ 2⁴ 2³ 2² 2¹ 2⁰

1+2+4+0+16+0= 23

c. 23 ₁₀ = 17 ₁₆

23/16 = 1 sisa = 7

4. 23 ₁₀ = 00100011 _BCD

2 3

0010 0011

4. a. A5₁₆ = 105 ₁₀

b. 105 ₁₀= 1101001 ₂

105/2 = 52 sisa =1

52/2 = 26 sisa=0

26/2 = 13 sisa = 0

13/2 = 6 sisa=1

6/2 = 3 sisa=0

3/2 = 1 sisa =1

c. 105 ₁₀= 000100000101 _BCD

1 0 5

0001 0000 0101

d. 105 ₁₀= 151 ₈

105/8 = 13 sisa=1

13/8 = 1 sisa=5

5. a. 10010111 _BCD = 97 ₁₀

1 0 0 1 0 1 1 1

2³ 2² 2¹ 2⁰ 2³ 2² 2¹ 2⁰

9 7

b. 97 ₁₀ = 1100001 ₂

97/2 = 48 sisa = 1

48/2 =24 sisa = 0

24/2 = 12 sisa = 0

12/2 = 6 sisa = 0

6/2 = 3 sisa = 0

3/2 = 1 sisa = 1

c. 97₁₀ = 141 ₈

97/8 =12 sisa = 1

12/8 = 1 sisa = 4

4. 97₁₀ = 57 ₁₆

97/16 = 5 sisa = 7