Interactive sites where users write about personal topic and comment to threaded discussion are called?

a. networking sites
b. messaging sites
c. blogs

Assume that there is a 4% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on three independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?

The managing director of a company sends a christmas greeting to all his employees through the company email. which type of network does he use? he uses an .

Technician a says engine assemblies can be mounted longitudinally in a chassis. technician b says engine assemblies can be mounted transversely in a chassis. who is correct?