HELP PLSS‼️ Which are the following are considered peripherals? Mark all that are correct

To insert a column without using commands in any tabs, a user can -click and then click insert column.

Designing a mobile web page is a little different from designing a regular web page. name at least three features that should be considered when designing a website that is mobile phone-friendly, and briefly explain why they are important.

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