What is the function of the green-colored structure indicated by the arrow?

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

Match the file formats with the types of multimedia they can store

Leo is a recruitment executive for a large company. he has identified new labor resource requirements in both the marketing and production departments. what should be his first step in recruiting candidates for the positions? a. conduct background checks of candidates b. make job offers c. arrange interviews d. conduct reference checks e. place job ads on job sites