Which sign or symbol will you use to lock cells for absolute cell reference?

What operating system is a smartphone most likely to use? 1.bsd 2.mac os x 3.symbian 4.linux

1. before plugging in a new device to a computer you should unplug all other devices turn off the computer turn on the computer 2. many of the maintenance tools for a computer can be found in the control panel under administrative tools display personalization

List the five on-board vehicle subsystems