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Number System Concepts- 2 Video Lecture | CSAT Preparation - UPSC

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FAQs on Number System Concepts- 2 Video Lecture - CSAT Preparation - UPSC

1. What are the different number systems mentioned in the article?
Ans. The article mentions three different number systems: binary, decimal, and hexadecimal.
2. How does the binary number system work?
Ans. The binary number system is a base-2 system that uses only two digits, 0 and 1. Each digit in a binary number represents a power of 2, starting from the rightmost digit. The value of each digit is calculated by multiplying it with the corresponding power of 2 and then adding them all together.
3. What is the significance of the decimal number system?
Ans. The decimal number system is the most commonly used number system in everyday life. It is a base-10 system that uses ten digits (0-9). Each digit in a decimal number represents a power of 10, starting from the rightmost digit. The value of each digit is calculated by multiplying it with the corresponding power of 10 and then adding them all together.
4. How is the hexadecimal number system different from the binary and decimal systems?
Ans. The hexadecimal number system is a base-16 system that uses sixteen digits (0-9 and A-F). It is commonly used in computer programming and digital systems. Each digit in a hexadecimal number represents a power of 16, starting from the rightmost digit. The value of each digit is calculated by multiplying it with the corresponding power of 16 and then adding them all together.
5. Can you convert numbers between different number systems?
Ans. Yes, it is possible to convert numbers between different number systems. For example, to convert a binary number to decimal, you can multiply each digit of the binary number with the corresponding power of 2 and then add them all together. Similarly, to convert a decimal number to binary, you can repeatedly divide the decimal number by 2 and note down the remainder until the quotient becomes zero.
214 videos|139 docs|151 tests

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