Briefly describe packet switching.
What will be an ideal response?
Packet switching allows always-on data connections, and it becomes practical to keep the data connection at all times. Each packet is transmitted independently through the network to the destination and only uses the channel for the time required to transmit it, so other devices can use the channel to send and receive data, with each device taking turns sending packets, in each cell.
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The stationary magnet of a DC motor is represented by the _____.
a. armature b. field poles c. commutator d. rotor
Which of the following describes a Myers hub?
a. A type of duct system b. A gasketed locknut c. A gasketed fitting d. An insulated bushing
A split-phase motor that has a current relay and a start capacitor is called a(n) ____ motor.
A. Capacitor Start, Capacitor Run (CSCR) B. Capacitor Start, Induction Run (CSIR) C. Induction Start, Induction Run (ISIR) D. Permanent Split Capacitor (PSC)
Which two forces of modernization were deeply intertwined at the end of the nineteenth century?
a. mass production and mass politics b. mass production and mass culture c. mass politics and elite culture d. mass politics and elite politics