Which of the following is true about IO$-$bound processes?

a$.$

An I$/$O$-$bound process is one that spends more of its time doing computation and I$/$O than it spends doing communication.

b$.$

An I$/$O$-$bound process is one that spends more of its time doing communication than it spends doing computations

c$.$

An I$/$O$-$bound process is one that spends more of its time doing computations than it spends doing I$/$O

d$.$

An I$/$O$-$bound process is one that spends more of its time doing I$/$O than it spends doing computations