A box in the upper left corner of the worksheet grid that selects all the cells in a worksheet is the:

If you like to listen to a certain radio program, or get the most updated sports scores, or maybe just like to know about the day-to-day happenings with someone you share a common interest, you can subscribe to a podcast, webcast, or blog and the most current information will be available to you automatically. This is called ________ technology

Fill in the blank(s) with correct word

____ storage stores data as microscopic light and dark spots on the disc surface.

A. Optical B. Laser C. Magnetic D. Solid-state