Select all the correct answers.

Computers and Technology

1 answer:

IgorC [24]2 years ago

6 0

Answer:

I. Improper cable installation.

II. Interference between the signals on cables close to each other.

III. Improper connection of a network cable to the jack

Explanation:

The standard framework for the transmission of informations on the internet, it is known as the internet protocol suite or Transmission Control Protocol and Internet Protocol (TCP/IP) model. Thus, the standard Internet communications protocols which allow digital computers to transfer (prepare and forward) data over long distances is the TCP/IP suite.

In this scenario, Mark is unable to connect to the internet or to any of the computers on his network, while nearby computers don’t have this problem. Therefore, the three issues which could be causing the problem are;

I. Improper cable installation: this involves not installing the ethernet cable in the correct destination port.

II. Interference between the signals on cables close to each other: interference usually results in the disruption in network signals.

III. Improper connection of a network cable to the jack: the right connectors such as RJ45 should be used.

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A computer hard disk starts from rest, then speeds up with an angular acceleration of 190 rad/s2 until it reaches its final angu

Nataly_w [17]

The first thing we are going to do is find the equation of motion:
ωf = ωi + αt
θ = ωi*t + 1/2αt^2
Where:
ωf = final angular velocity
ωi = initial angular velocity
α = Angular acceleration
θ = Revolutions.
t = time.
We have then:
ωf = (7200) * ((2 * pi) / 60) = 753.60 rad / s
ωi = 0
α = 190 rad / s2
Clearing t:
753.60 = 0 + 190*t
t = 753.60 / 190
t = 3.97 s
Then, replacing the time:
θ1 = 0 + (1/2) * (190) * (3.97) ^ 2
θ1 = 1494.51 rad
For (10-3.97) s:
θ2 = ωf * t
θ2 = (753.60 rad / s) * (10-3.97) s
θ2 = 4544,208 rad
Number of final revolutions:
θ1 + θ2 = (1494.51 rad + 4544.208 rad) * (180 / π)
θ1 + θ2 = 961.57 rev
Answer:
the disk has made 961.57 rev 10.0 s after it starts up

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