# Digital Electronics - Number Systems and Codes

### Exercise :: Number Systems and Codes - True or False

36.

Most computers store binary data in groups of 32 bits called Dwords.

 A. True B. False

Answer: Option B

Explanation:

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37.

The word size is defined as the number of bits in the binary word that a digital system operates on.

 A. True B. False

Answer: Option A

Explanation:

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38.

The hexadecimal number system consists of 16 digits, 0–15.

 A. True B. False

Answer: Option B

Explanation:

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39.

The 1's complement of a binary number is derived by changing 0s to 1s and 1s to 0s.

 A. True B. False

Answer: Option A

Explanation:

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40.

A binary number with four digits has a maximum value of 15.

 A. True B. False

Answer: Option A

Explanation:

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