Which are viable channels of communication? the Internet, sign language, playing a video game alone, talking, taking a solitary walk

The three logical operators used to write compound conditions are "and," "or," and "not." a: true b: false

Martha is a healer, a healthcare provider, and an experienced nurse. she wants to share her daily experiences, as well as her 12 years of work knowledge, with people who may be interested in health and healing. which mode of internet communication can martha use?

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.