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Introduction to Number System Video Lecture | Digital Electronics - Electronics and Communication Engineering (ECE)
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FAQs on Introduction to Number System Video Lecture - Digital Electronics - Electronics and Communication Engineering (ECE)
| 1. What is the number system? |  |
Ans. The number system is a way of representing and expressing numbers. It consists of a set of symbols or digits and rules for combining these symbols to represent different values. The most commonly used number systems are decimal, binary, octal, and hexadecimal.
| 2. What is the decimal number system? | |
Ans. The decimal number system is the most widely used number system. It uses ten different digits (0-9) to represent numbers. Each digit's position in a decimal number determines its value, and the base of the decimal system is 10. For example, the number 1234 in the decimal system represents 1 thousand, 2 hundreds, 3 tens, and 4 units.
| 3. What is the binary number system? | |
Ans. The binary number system is a base-2 number system that uses only two digits, 0 and 1, to represent numbers. It is widely used in computer systems because digital electronic devices can easily represent and manipulate binary digits. Each digit's position in a binary number represents a power of 2. For example, the binary number 1010 represents 1 eight, 0 fours, 1 two, and 0 ones, which is equivalent to the decimal number 10.
| 4. What is the octal number system? | |
Ans. The octal number system is a base-8 number system that uses eight different digits (0-7) to represent numbers. It is primarily used in computer programming, specifically in UNIX and Linux systems. Each digit's position in an octal number represents a power of 8. For example, the octal number 127 represents 1 sixty-four, 2 eights, and 7 ones, which is equivalent to the decimal number 87.
| 5. What is the hexadecimal number system? | |
Ans. The hexadecimal number system is a base-16 number system that uses sixteen different digits (0-9 and A-F) to represent numbers. It is commonly used in computer programming and digital electronics due to its compact representation of binary data. Each digit's position in a hexadecimal number represents a power of 16. For example, the hexadecimal number 1F represents 1 sixteen and 15 ones, which is equivalent to the decimal number 31.
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Video Description: Introduction to Number System for Electronics and Communication Engineering (ECE) 2024 is part of Digital Electronics preparation.
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