Two's Complement Overflow

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Which bit is the carry/borrow bit in two's complement?

The third bit

The fifth bit (correct)

The second bit

The fourth bit

What is the range of numbers that can be represented in a 4-bit two's complement?

-8 to +7 (correct)

-8 to +8

-7 to +7

-7 to +8

When does overflow occur in two's complement?

When the carry/borrow bit is set

When subtracting two numbers with the same sign

When adding two numbers with different signs

When the number being represented is out of the range of representation (correct)

What is the result of the subtraction 2-1 in a 4-bit two's complement?

+1 Signup and view all the answers

When do overflows occur in two's complement addition?

When adding two numbers with the same sign Signup and view all the answers

What is the purpose of the fifth bit in two's complement representation?

To indicate the sign of the number Signup and view all the answers

What is the range of numbers that can be represented in a 4-bit two's complement?

-8 to +7 Signup and view all the answers

When does overflow occur in two's complement?

When the number being represented is out of the range of representation Signup and view all the answers

What happens when we add a negative and a positive operand in two's complement?

The result is always within the range of representation Signup and view all the answers

When do overflows occur in two's complement addition?

When the operands have the same sign Signup and view all the answers

Two's Complement Overflow

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Questions and Answers

Which bit is the carry/borrow bit in two's complement?

What is the range of numbers that can be represented in a 4-bit two's complement?

When does overflow occur in two's complement?

What is the result of the subtraction 2-1 in a 4-bit two's complement?

When do overflows occur in two's complement addition?

What is the purpose of the fifth bit in two's complement representation?

What is the range of numbers that can be represented in a 4-bit two's complement?

When does overflow occur in two's complement?

What happens when we add a negative and a positive operand in two's complement?

When do overflows occur in two's complement addition?

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