<h2><u>Answer:</u></h2>
A seismograph has an overwhelming weight that is swung from a spring. As the spring is high touchy to the developments of the Earth at that point is the correct decision offer a seismograph.
On the off chance that this is changed by a pole, at that point it won't see the developments of the earth making the seismograph not precise and it would not work.
Super User.
Execute commands that require root privileges.
Log in as the root user, then type 'passwd user'<span>
</span>
Answer:
SD Cards and XDQ Cards are new XD Cards and CF Cards are old.
Explanation:
Hope this helps.
Answer:
This is an Ethernet port operating at half duplex.
Explanation:
Modern Ethernet networks built with switches and full-duplex connections no longer utilize CSMA/CD. CSMA/CD is only used in obsolete shared media Ethernet (which uses repeater or hub).
Answer:
PLCs (Programmable logic controller) were original designed as replacement for relay control panels. Relay is another word for a switch. Relay control panels were made for the control of electronic instrumentents or devices. Later on PLCs were made to replace these timers and relay control panels. PLCs are more reliable, flexible and can work better in the harsh environmental situations then the relay control panels.
