A speech that a person delivers without preparation is called an impromptu speech
a practice speech
a prepared speech
a public speech
I WILL GIVE BRAINLEST TO RIGHT ANSWER HAVE A GOOD DAY!

In my email i got a message it says a quick message and in message details on who its from its says nicole and under nicole is [email protected] -

You need a quick answer from a coworker. the most effective way to reach your coworker is through a. cloud server b. instant message c. teleconference d. telepresence

Write a program that asks the user to enter the name of an input file. if the file does not exist, the program should prompt the user to enter the file name again. if the user types quit in any uppercase/lowercase combinations, then the program should exit without any further output.