A weighted average is a more accurate measurement of scores or investments that are of relative importance to each other. This is often the case with investment portfolios, grade scoring and other statistics. You can find out how to calculate weighted averages. 1. Sit down with your data, a piece of paper and a pencil.
To specify the boot sequence: 1  Start the computer and press ESC, F1, F2, F8 or F10 during the initial startup screen. 2  Choose to enter BIOS setup. 3  Use the arrow keys to select the BOOT tab.  To give a CD or DVD drive boot sequence priority over the hard drive, move it to the first position in the list.
BIOS has 3 modes of operation â Boot Mode, Setup Mode and Update Mode. The Boot Mode is used to boot an OS; the Setup Mode is used to configure the boot and other firmware settings and the Update Mode is used to update the firmware version. In addition to the 3 modes of operation, UEFI has a fourth User Mode.