T-switched networks
Star networks
Ring networks
Bus networks
Circuit switching
Switch network
Packet switching
None of these
IBM
DEC
DARPA
NOVELL
Very low frequency: 3kHz to 30 kHz
Medium frequency : 300 kHz to 3 MHz
High frequency : 3 MHz to 30 MHz
Very high frequency : 30 MHz to 300 MHz
Generally free
Easy for beginners to use
An information utility that specializes in storing and searching information
All of these
Collator
Sorter
Reproducer
Interpreter
Spam
Spyware applications
Web bug
Cookie
4
15
16
32
a communication system for some cities of India
a communication system for some states of India
a communication system for the Indian government
a large network of networks
Cable
Printer
Modem
Computer