Case $5-1$

Janet is studying operating systems as part of her Understanding Computers $101$ class. After learning about the different types of operating systems, she realizes that she uses a number of them in her daily life.

Janet has an Apple computer at home. The operating system of that computer is $\_\_\_\_.$

Select one:

a$.$

Windows Vista

b$.$

Solaris

c$.$

Windows Embedded

d$.$

Mac OS