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Questions and Answers
Which number system consists of just two symbols?
Which number system consists of just two symbols?
Binary (base 2) number system
What is the base of the octal number system?
What is the base of the octal number system?
8
How many symbols are there in the hexadecimal number system?
How many symbols are there in the hexadecimal number system?
16
What is the positional notation used for decimal (base 10) numbers?
What is the positional notation used for decimal (base 10) numbers?
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What is the multiplier for decimal (base 10) numbers?
What is the multiplier for decimal (base 10) numbers?
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Study Notes
Number Systems
- There are different number systems, including Binary, Decimal, Octal, and Hexadecimal.
Decimal (Base 10) Number System
- Consists of 10 symbols or digits: 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9.
- Expressed in positional notation, where each digit has a place value.
- The right-most digit is the least significant digit.
- Example: 4202 = 2x100 + 0x101 + 2x102 + 4x103.
- The left-most digit is the most significant digit.
Binary (Base 2) Number System
- Consists of only two symbols or digits: 0 and 1.
Other Number Systems
- Octal (Base 8) number system consists of 8 symbols: 0, 1, 2, 3, 4, 5, 6, and 7.
- Hexadecimal (Base 16) number system consists of 16 symbols: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, and F.
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