Your computer monitor is not displaying a picture. what would you do to troubleshoot the problem?

a. verify the display settings
b. plug the power cable into the computer.
c. look at the monitor for an indicator light.
d. see if there is something plugged into the usb drive.

What must you do before formatting a paragraph?

This technology is used to produce high-quality documents that look good on the computer screen and in print.

Write a program that prompts the user to input a string. the program then uses the function substr to remove all the vowels from the string. for example, if str = "there", then after removing all the vowels, str = "thr". after removing all the vowels, output the string. your program must contain a function to remove all the vowels and a function to determine whether a character is a vowel.