Questions and Answers
Which number system consists of just two symbols?
Binary (base 2) number system
What is the base of the octal number system?
8
How many symbols are there in the hexadecimal number system?
16
What is the positional notation used for decimal (base 10) numbers?
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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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