Answer
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Step 1:: Understand the problem
The problem asks us to perform binary addition on the numbers 1, 1, 1, and 1. Binary addition follows different rules than decimal addition, so it's essential to understand the binary number system.
Step 2:: Review binary addition rules
In binary addition, there are only two possible addends: 0 and 1. The sums are as follows: 0 + 0 = 0 0 + 1 = 1 1 + 0 = 1 1 + 1 = 10 (carry 1 to the next place value)
Step 3:: Perform binary addition
We will now perform binary addition on the given numbers: \begin{array}{cccc} & 1 & 1 & 1 & 1 \ + & & & 1 & 1 \ \hline & 1 & 0 & 0 & 0 \end{array}
Step 4:: Interpret the result
The final sum in binary is 1000. However, since this is a 4 -digit binary number, it represents the decimal value of 8.
Final Answer
The sum of 1 + 1 + 1 + 1 in binary addition is 1000, which is equivalent to the decimal value 8.
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