Which of the following is NOT mentioned in the passage as a function of electronics in television transmissions

A:The conversion of an image into electronic impulses, B:The sending of impulses through a wire cable. C:The changing of one image into another image. D:The feeding of impulses into a receiver.

It will be safer to walk the streets because people will not need to carry large amounts of cash; virtually all financial ______ will be conducted by computer.

A:transactions B:transmissions C:transitions D:transformation

You don't need to carry large amounts of cash; actually all financial business will be conducted by computers.（　）

A:transmissions B:transitions C:transactions D:transportation

Packet-switching wireless networks are preferable (41) when transmissions are (42) because of the way charges are (43) per packet. Circuit-switched networks are preferable for transferring large files or for other lengthy transmissions because customers are (44) for the (45) of time they use the net-work.

A:long B:short C:large D:small

Packet-switching wireless networks are preferable (41) when transmissions are (42) because of the way charges are (43) per packet. Circuit-switched networks are preferable for transferring large files or for other lengthy transmissions because customers are (44) for the (45) of time they use the net-work.

A:computing B:incurious C:incurved D:incurred

Packet-switching wireless networks are preferable (1) when transmissions are (2) bemuse of the way charges are (3) per packet. Circuit-switched networks are preferable for transferring large files or for other lengthy transmissions because customers are (4) for the (5) of time they use the network.

A:long B:short C:large D:small

Packet-switching wireless networks are preferable (1) when transmissions are (2) because of the way charges are (3) per packet. Circuit-switched networks are preferable for transferring large files or for other lengthy transmissions because customers are (4) for the (5) of time they use the network.

A:to B:for C:than D:only

Packet-switching wireless networks are preferable (71) when transmissions are (72) because of the way charges are (73) per packet. Circuit-switched networks are preferable for transferring large files or for other lengthy transmissions because customers are (74) for the (75) of time they use the network.

A:point B:start C:length D:end

In recent years, TCP/IP has also begun to be used by telephone companies to provide faster, cheaper telephone (67)

A:transmitting B:transmited C:transfers D:transmissions

A:transmitting B:transmited C:transfers D:transmissions