A piece of software that allows the operating system to communicate with an optical drive is a device driver

Which mobile device feature allows information on a smartphone to be shown on a TV?

A) Multimode B) Tethering C) Wi-Fi D) Screen mirroring

Although numerous applications are available to edit digital photographs, detecting those changes is possible. For example, an investigator can review a photograph's ________ and see whether changes were made and when

Fill in the blank(s) with the appropriate word(s).