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Number Systems
Decimal number system - base 10 deci -> 1/10 0 1 2 3 4 5 6 7 8 9 Binary number system - base 2 0 1 0 --> off 1--> on Octal number system - base 8 Octagon 0 1 2 3 4 5 6 7 Hexadecimal number system - base 16 Hexagon hexa + decimal = 6 + 10 ========================================================================= Convert Number Systems ========================================================================= 1) Decimal -> Binary 2) Decimal -> Octal 3) Decimal -> Hexadecimal 4) Binary -> Decimal 5) Binary -> Octal 6) Binary -> Hexadecimal 7) Octal -> Decimal 8) Octal -> Binary 9) Octal -> Hexadecimal 10) Hexadecimal -> Decimal 11) Hexadecimal -> Binary 12) Hexadecimal -> Octal -------------------------------------------------------------------------------------------------------------...
Subnet ID
If any requirement to subnet some network, we must need the subnet id. Subnet id use for identity which subnet in the network. we get an example scenario here. There is an ABC company. That company have 4 divisions. So that network wants 4 subnets. but how to apply subnets to the computer. It`s also doing by bits. 1 bit have 0 and 1. So there are two IDs . In this scenario, we want 4 subnets. Then we want 4 IDs. since we need 2 bits 1 bit =0, 1 2 bit = 00, 01, 10, 11 how to include subnet id into the IP address. if we get a class c address as 192.168.10.4, this IP network id can not change, only the host id can change. So we book some bits for subnet id from that host id. Subnet Subnet ID (2 bit) D1 00 D2 01 D3 11 D4 10 D1 (00) 192.168.10.00 000000 (192...
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