Answer:
Option (4) is the correct answer of this question.
Explanation:
The switch is used to handle the multiple selections in the program when we need to choose on the condition and we have more then one condition arises then we have used the switch statement in the PHP.
Syntax of using Switch:-
switch(variable)
{
case 1. statement
Break;
..................
default :
case n:
statement n
}
Other options do not use multiple selections so they are incorrect options.
TCP is known to be a type of a connection-oriented protocol, while UDP is a connectionless protocol. TCP and UDP provide data transport between hosts.
- TCP and UDP are known for their speed, as TCP is slower and can retransmit lost data packets than UDP. UDP is said to be faster, simpler, and efficient protocol.
Data transport is simply known to be an the energy problem. It is the amount of energy needed to transport a bit from the closest neighbor.
Data Transport Service gives a reliable connection for moving large amounts of data at very fast speeds.
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brainly.com/question/17695822
Most computer devices are connected to the computer through port
Keyboard through usb port
Printer through usb port
Hand point device through usb port
Also computer equipped with LPT port for printers and COM port for additional devices like external modems e.t.c
B) For Military Purposes but around the 1970s they became widely available to consumers.
