Vera has brought her notebook computer to you for repair. after listening to her description, you hypothesize that the notebook may have a malfunctioning keyboard.
which of the following steps can you take to best determine if the keyboard needs to be replaced? (select two.)
__connect an external keyboard.
__recalibrate the keyboard's pressure sensor.
__check for cracks in the power bundles that go from the keyboard to the motherboard.
__use device manager to make sure the correct keyboard driver is installed and up to date.
__check for special keyboard features that could be enabled that may cause some keys to perform alternate tasks.

(programming exercise 3-10). a retail company must file a monthly sales tax report listing the total sales for the month, and the amount of state and county sales tax collected. the state sales tax rate is 4 percent and the county sales tax rate is 2 percent. design a modular program that asks the user to enter the total sales for the month. from this figure, the application should calculate and display the following: - the amount of county sales tax - the amount of states sales tax - the total sales tax (county plus state) some of the code has already been provided below. complete the missing code below. // global constants for tax calculations constant real county_tax_rate = .02 constant real state_tax_rate = .04 // main module module main() // local variables declare real monthsales, countytax, statetax // get month sales display “enter monthly sales: ” input monthsales // write the statement to calculate county tax // write the statement to calculate state tax // display tax amount call showtaxes(monthsales, countytax, statetax) end module // the showtaxes module accepts monthsales, countytax, statetax // as arguments and displays the resulting data // write the showtaxes module