What is the name given to the parts of a computer that you can actually touch?

Q-3 a technician is setting up a computer lab. computers on the same subnet need to communicate with eachother peer to peer communication,a. hardware firewallb. proxy serverc. software firewalld. gre tunneling

Alex’s family members live in different parts of the world. they would like to discuss the wedding plans of one of their distant relatives. however, alex wants all the family members to talk to each other simultaneously so that they can make decisions quickly. which mode of internet communication should they use? a. blog b. email c. wiki d. message board e. instant messaging

Light travels at a speed of 186,000 miles a second. the distance light travels in a year is 5,865,690,000,000 miles/year 5,865,695,000,000 miles/year 58,656,950,000,000 miles/year 6,789,000,0000 miles/year