To successfully operate a scanner, what will you need to do first? A. connect the scanner to Wi-Fi
B. scrub the surface of the scanner
C. clean the color tone ribbons
D. install the necessary software

You turn your computer on and the computer will not boot up where is something you should do to diagnose the problem?

Apython programming question: assume s is a string of lower case characters. write a program that prints the number of times the string 'bob' occurs in s. for example, if s = 'azcbobobegghakl', then your program should print number of times bob occurs is: 2

Which tool could be used to display only rows containing presidents who served two terms