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FAQs on Handwritten Notes: Number System - General Aptitude for GATE - Mechanical Engineering

1. What are the different number systems commonly used in mathematics?
Ans. The commonly used number systems in mathematics are decimal (base 10), binary (base 2), octal (base 8), and hexadecimal (base 16).
2. How do you convert a number from decimal to binary?
Ans. To convert a decimal number to binary, you can use the division method where you divide the decimal number by 2 and record the remainders in reverse order.
3. What is the importance of understanding different number systems in mathematics?
Ans. Understanding different number systems in mathematics helps in various fields like computer science, engineering, and cryptography, as different systems are used for different purposes.
4. Can you convert a binary number to a decimal number?
Ans. Yes, you can convert a binary number to a decimal number by multiplying each digit of the binary number by 2 raised to the corresponding power and adding the results.
5. How is the hexadecimal number system used in computer programming?
Ans. The hexadecimal number system is commonly used in computer programming as it can represent large binary numbers in a more concise and readable form, making it easier for programmers to work with.
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