A drive-thru line at McDonalds in which you pay at one window and collect your food at another window is an example o a

a.single-channel, multiphase system

b.single-channel, single-phase system

c.multi-channel, multi-phase system

d.multi-channel, single-phase system

1. A vendor selling newspapers on a street corner is an example of a
2. a.single-channel, multiphase system
3. b.single channel, single phase system
4. c.multi-channel, multi-phase system
5. d.multi-channel, single-phase system