how can one protect data from natural disaster fires, fraud, sabotage and accidental or deliberate erasure in a computer​

1. technician a says horsepower information can be used by consumers to compare the power of different automobile engines. technician b says that manufacturers will often list the horsepower output of their engines in the online service information. who is right?

Whats are the different parts of no verbal comunication, especially body language?

The fourth generation of computers emerged between 1970s and 1980s. which technological advancement brought about this generation of computers? which computer architecture was used most in this generation?