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Binary Codes in Digital Systems

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Questions and Answers

What is the maximum number of distinct elements that can be represented using 3 bits in a binary code?

8 (correct)

Which of the following is NOT a characteristic of the Binary-Coded Decimal (BCD) code?

The BCD code is a straight assignment of the binary equivalent

The bit combination 0110 represents the decimal digit 6

The weights assigned to the bits are 8, 4, 2, 1

The bit combination 0110 represents the decimal digit 2 (correct)

What is the minimum number of bits required to represent the 10 decimal digits 0-9 in a binary code?

4 bits (correct)

3 bits

6 bits

5 bits

What is the main reason that some bit combinations are left unassigned when coding a group of elements using a binary code?

When the number of elements is not a multiple of the power of 2 Signup and view all the answers

What is the property of the 8, 4, -2, -1 code mentioned in the text?

It assigns negative weights to the bits Signup and view all the answers

What is the key difference between the BCD code and the 2421 code mentioned in the text?

The BCD code is a straight binary assignment, while the 2421 code is a weighted code Signup and view all the answers

What is the maximum number of distinct bit combinations that can be formed using 4 bits?

16 Signup and view all the answers

Which of the following is NOT mentioned in the text as a possible weighted code for decimal digits?

5043210 Signup and view all the answers

What is the key advantage of using a weighted code like the 8, 4, -2, -1 code over the BCD code?

It allows for more flexible assignment of the bit combinations Signup and view all the answers

What is the main reason that the 10 decimal digits 0-9 require a minimum of 4 bits in a binary code?

Because 3 bits can only represent a maximum of 8 elements Signup and view all the answers