32 bits
64 bits
128 bits
128 bytes
Modem
WWW
Router
Computer network
Connectivity
Word
Mouse
MS Excel
Presentation layer
Transport layer
Application layer
Physical layer
WAN
LAN
MAN
DAN
Micro area network
Mix area network
Macro area network
Metropolitan area network
16 bits
48 bits
Tunnel
Network
Server
Internet
12 bit ISA Bus
14 bit ISA Bus
16 bit ISA Bus
18 bit ISA Bus