Which of the following describes how modern operating systems function? They use punch cards to store and retrieve data

They manage hardware and resources

They handle one task at a time

They rely on command line input from users

What questions about an audience should be asked during presentation preparation? check all that apply. what does the audience already know about the topic? how will multimedia tools inspire the audience? is the information interesting and engaging? how will this information affect the presentation? will the audience change the message’s purpose? what is likely to interest the audience?