A user claims a machine starts to boot up and the fans spin, but the startup process ends there. What should a technician do first to attempt to solve the problem?
Make sure nothing is shorting out the motherboard
Make sure power connectors are connected to the motherboard properly
Make sure the RAM is seated properly
Replace the fans

Which of the following is a way that advancements in technology improve humans' ability to measure air quality and protect human health? a. air quality data gathered by new instruments can be used to reduce exposure to pollutants. b. new technologies enable natural and human-made pollution sources to be located and monitored. c. air quality data gathered by new instruments can be used to predict trends in pollution over time. d. new technologies allow governments to make informed decisions about the regulation of pollution. (choose more than one)

Lisa’s company, abc ltd., lost its biggest client and is now facing a financial crunch. most of her colleagues have resigned, but lisa decides to stay with the company and assist the management in overcoming the financial situation. which quality is lisa demonstrating? a. self-management b. cooperativeness c. responsibility d. loyalty

Are special combinations of keys that tell a computer to perform a command. keypads multi-keys combinations shortcuts