A computer science teacher writes the binary number 110 - Practice (English)

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A computer science teacher writes the binary number 110 - Practice (English) - ObjectiveMcq

HomePracticeDigital LogicNumber Representations And Computer ArithmeticA computer science teacher writes t...

Number Representations And Computer Arithmetic Digital LogicMedium

A computer science teacher writes the binary number 1101 and the hexadecimal number A5 on the board and asks students to add them.

Question: What is the decimal value of the sum of the binary number 1101 and the hexadecimal number A5?

Correct Answer: D — 178

Explanation:

The correct answer is: option 4 Key Points Explanation: Convert the binary number and the hexadecimal number to decimal: 11012 = 1Ã—2Â³ + 1Ã—2Â² + 0Ã—2Â¹ + 1Ã—2â° = 8 + 4 + 0 + 1 = 13 A516 = 10Ã—16Â¹ + 5Ã—16â° = 160 + 5 = 165 Sum: 13 + 165 = 178 Therefore the correct decimal value of the sum is 178,

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