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Contoh 2.9 Tentukan hasil tolak bagi dua nombor perduaan 1100 – 1011.

Rajah di bawah menunjukkan langkah-langkah operasi tolak dan tatacara yang digunakan.

1 10
0 10 10 10 10 10
1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0
– 1 0 1 1 – 1 0 1 1 – 1 0 1 1 – 1 0 1 1 – 1 0 1 1
1 0 1 0 0 1 0 0 0 1
Semasa pinjam 10 – 1 = 1 1 – 1 = 0 0 – 0 = 0 1 – 1 = 0
Semasa pinjam
Tatacara 4 Tatacara 4 Tatacara 3 Tatacara 1 Tatacara 3
dipatuhi juga

1100 – 1011 = 1 (Perduaan) Semakan: 12 – 11 = 1 (Perpuluhan)

Contoh 2.10 Hitung hasil tolak bagi dua nombor perduaan 11010110 – 110011.

0 10 0 1010 1010
1 1 0 1 0 1 1 0 1 1 0 1 0 1 0 0 1 1 0 1 0 0 0 0

– 0 0 1 1 0 0 1 1 – 0 0 1 1 0 0 1 1 – 0 0 1 1 0 0 1 1
1 1 1 0 1 1
10 – 1 = 1 10 – 1 = 1 0 – 0 = 0
Tatacara 4 Tatacara 4 Tatacara 1

1010 1010 0 10 1010
1 1 0 1 0 0 0 0 1 1 0 1 0 0 0 0 1 1 0 1 0 0 0 0

– 0 0 1 1 0 0 1 1 – 0 0 1 1 0 0 1 1 – 0 0 1 1 0 0 1 1
0 0 1 1 0 0 0 1 1 1 0 0 0 1 1
0 – 0 = 0 1 – 1 = 0 10 –1 = 1
Tatacara 1 Tatacara 3 Tatacara 4

10 1010 10 1010
1 0 0 1 0 0 0 0 1 0 0 1 0 0 0 0
– 0 0 1 1 0 0 1 1 – 0 0 1 1 0 0 1 1
0 1 0 0 0 1 1 1 0 1 0 0 0 1 1
0 – 0 = 0 1 – 0 = 1
Tatacara 1 Tatacara 3
11010110 – 110011 = 10100011 Semakan: 214 – 51 = 163
(Perduaan) (Perpuluhan)

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BAB 2 Perwakilan Data

UNIT02_2.1_20-38.indd 32 9/22/16 11:59 AM