Why does a computer need primary and secondary memory ?

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

Which action is good business etiquette? a. switching your cell phone off before you enter a meeting b. keeping your cell phone on low volume before you enter a meeting c. setting a pleasant ring tone on your cell phone before you enter a meeting d. setting a standard ringtone on your cell phone before you enter a meeting

The two main ways in which marketers address the competition with their strategies are by satisfying a need better than a competition and by