COPY: Binary Number Systems: Binary Addition

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Questions and Answers

What is the result of adding 1011 and 1111 in binary?

  • 10110
  • 11010
  • 11110
  • 10011 (correct)

What is the result of adding 1010 and 1010 in binary?

  • 11010
  • 10100
  • 1100 (correct)
  • 10010

What happens when a binary number ends with a 1 and the next digit is 0?

  • The result is undefined
  • The carry bit is 0 (correct)
  • The carry bit is 1
  • There is no carry bit

What is the result of adding 1010 and 1011 in binary?

<p>1101 (D)</p> Signup and view all the answers

What is the main principle of binary addition?

<p>Following the same principles as decimal addition (D)</p> Signup and view all the answers

What happens when a binary number ends with a 1 and the next digit is 1?

<p>The carry bit is 1 (A)</p> Signup and view all the answers

What is the result of adding the binary numbers 1011 and 1111?

<p>11001 (A)</p> Signup and view all the answers

What is the least significant bit (LSB) in a binary number?

<p>The rightmost bit (A)</p> Signup and view all the answers

What is carried over to the next column in binary addition when the result is greater than or equal to 10?

<p>The carry bit (B)</p> Signup and view all the answers

What is the decimal equivalent of the binary number 1111?

<p>15 (A)</p> Signup and view all the answers

What is the first step in adding two binary numbers?

<p>Write the binary numbers horizontally (C)</p> Signup and view all the answers

What happens when the result in a binary addition column is greater than 9?

<p>The result is carried over to the next column (A)</p> Signup and view all the answers

Flashcards

1011 + 1111 (binary)

1011 + 1111 in binary equals 11010.

1010 + 1010 (binary)

1010 + 1010 in binary equals 10100.

Binary ends '10'?

The carry bit is 0 (no carry needed).

1010 + 1011 (binary)

1010 + 1011 in binary equals 10101.

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Principle of Binary Addition

Adding bits column by column, with carry-overs when the sum is 2 or more.

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Binary ends '11'?

The carry bit is 1 (a carry is generated).

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1011 + 1111 in binary

1011 + 1111 = 11010 in binary.

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Least Significant Bit (LSB)

The rightmost bit in a binary number.

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Carry bit

The '1' that is added to the next column.

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1111 (binary) in decimal

15 in decimal.

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Add Binary: First Step

Write the two numbers one above the other.

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Binary Column > 9?

The result is carried over to the next column.

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