To enhance the edges of the content in a picture to make the boundaries more prominent, you would ________ picture

You suspect that incorrect voltage is provided to a power supply. What tool should you use to test this?

a. PSU tester b. Loopback adapter c. Multimeter d. Voltage detector

In C#, all variables have a(n) ____________ method that you can call to convert the variable’s value to a string.

a. To String b. Convert c. Parse d. Text