What is the bit mask design to clear the bits in the positions 4 through 7 of the register AL, while passing through the bits in the positions 0 through 3

Dean wants a quick way to look up staff members by their staff id. in cell q3, nest the existing vlookup function in an iferror function. if the vlookup function returns an error result, the text “invalid staff id” should be displayed by the formula. (hint: you can test that this formula is working by changing the value in cell q2 to 0, but remember to set the value of cell q2 back to 1036 when the testing is complete.)

10. when you create a pivottable, you need to specify where to find the data for the pivottable. is it true

Which one of the following voltages should never be measured directly with a vom? a. 1200 v b. 500 v c. 800 v d. 100v