Precautions to be observed before one starts installing devices in the system unit

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?

A. in packet tracer, only the server-pt device can act as a server. desktop or laptop pcs cannot act as a server. based on your studies so far, explain the client-server model.

The __ is the section of a cpu core that performs arthimetic involving integers and logical operations