Question $15$

Not yet answered Marked out of $1\mathrm{.}00$

Which one of the following statements about system security is correct?

a$.$ A computer system these days does not need an OS$.$

b$.$ A computer that is connected to the internet is less secure than one which is not connected. A computer running a multiuser $OS$ is more secure than one running a single user OS$.$

d$.$ A computer system these days is more secure than when it was run by an operator.