# Binary Codes – Exercise – 1

Exercise – 1

1. A binary digit is called a :

(a)  Bit
(b)  Byte
(c)  Number
(d)  Character

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2. Which of the following is not a weighted code ?

(a)  Decimal Number system
(b)  Excess 3-code
(c)  Binary number System
(d)  None of these

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3. The gray code equivalent of (1011)2 is :

(a)  1101
(b)  1010
(c)  1110
(d)  1111

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4. Number 85 in BCD code is :

(a)  1000 1100
(b)  1101 1010
(c)  1000 0101
(d)  1101 1001

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5. Excess-3 code is known as :

(a)  Weighted code
(b)  Cyclic redundancy code
(c)  Self-complementing code
(d)  Algebraic code

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