Which of the following is not a user interface?

On early television stations, what typically filled the screen from around 11pm until 6am? test dummies test patterns tests testing colors

Which of the following would not be considered a pc? a. mainframe b. desktop c. tablet pc d. laptop

Column a of irma’s spreadsheet contains titles for each row, but her document is too big and will be printed three pages across. she wants to be sure that every page will be understood. what can irma do to with this problem?