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Question

What is (1110011) 2÷ (10111) 2equal to ?

The correct answer is

(101) 2

Understanding Binary Division

Binary division is a fundamental operation in digital systems and computer science. It is performed using a process similar to the long division method used for decimal numbers, but it operates only with the binary digits 0 and 1.

The problem asks us to divide the binary number (1110011)2 by the binary number (10111)2.

Performing Binary Long Division

We will perform binary long division step-by-step:

  1. Set up the division with the dividend (1110011)2 inside and the divisor (10111)2 outside.
  2. Compare the divisor (10111) with the leftmost digits of the dividend. The divisor has 5 digits. We look at the first 5 digits of the dividend, which is 11100.
  3. Check if 11100 is greater than or equal to 10111. Yes, it is. So, the first digit of the quotient is 1.
  4. Subtract (1 times the divisor) from 11100. In binary subtraction, \(11100 - 10111 = 00101\).
  5. Bring down the next digit from the dividend (which is 1). The new number to consider for the next step is 001011, which is equivalent to 1011.
  6. Check if 1011 is greater than or equal to the divisor 10111. No, it is not. So, the next digit of the quotient is 0.
  7. Bring down the next digit from the dividend (which is the last 1). The new number to consider is 10111.
  8. Check if 10111 is greater than or equal to the divisor 10111. Yes, it is. So, the next digit of the quotient is 1.
  9. Subtract (1 times the divisor) from 10111. In binary subtraction, \(10111 - 10111 = 00000\).
  10. All digits from the dividend have been used, and the remainder is 0.

By following these steps, the quotient obtained from the binary long division is 101.

Result of the Binary Operation

The result of dividing (1110011)2 by (10111)2 is (101)2.

Verifying the Binary Division Result

We can convert the binary numbers to their decimal equivalents to verify the answer:

  • Dividend: \((1110011)2 = 1 \times 2^6 + 1 \times 2^5 + 1 \times 2^4 + 0 \times 2^3 + 0 \times 2^2 + 1 \times 2^1 + 1 \times 2^0\)
  • \(= 1 \times 64 + 1 \times 32 + 1 \times 16 + 0 \times 8 + 0 \times 4 + 1 \times 2 + 1 \times 1\)
  • \(= 64 + 32 + 16 + 0 + 0 + 2 + 1 = 115\)
  • Divisor: \((10111)2 = 1 \times 2^4 + 0 \times 2^3 + 1 \times 2^2 + 1 \times 2^1 + 1 \times 2^0\)
  • \(= 1 \times 16 + 0 \times 8 + 1 \times 4 + 1 \times 2 + 1 \times 1\)
  • \(= 16 + 0 + 4 + 2 + 1 = 23\)
  • The decimal division is \(115 \div 23 = 5\).
  • Let's convert our binary quotient \((101)2\) to decimal:
  • \((101)2 = 1 \times 2^2 + 0 \times 2^1 + 1 \times 2^0 = 1 \times 4 + 0 \times 2 + 1 \times 1 = 4 + 0 + 1 = 5\)

The decimal division result (5) matches the decimal value of the binary quotient (101)2, confirming the correctness of the binary division.

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Important Questions from Binary Operations

  1. What is the binary equivalent of the decimal number 0.3125?

  2. What is (1000000001) 2– (0.0101)­ 2equal to?

  3. The decimal number (127.25) 10, when converted to binary number, takes the form

  4. If (11101011) 2is converted to decimal system, then the resulting number is

  5. If the number 235 in decimal system is converted into binary system, then what is the resulting number?

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