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Sergeu [11.5K]
3 years ago
15

Which of the following are correct? I. Hold the middle mouse button to rotate the model on the screen. II. To pan the model, hol

d down the Ctrl key and the middle mouse button . III. Use the mouse scroll wheel to zoom in and out of the model.
Computers and Technology
1 answer:
evablogger [386]3 years ago
8 0

Answer:

II and III are correct

Explanation:

The software that the question is referring to here is the computer-aided design (CAD) software called Inventor by Autodesk.

I. Hold the middle mouse button to rotate the model on the screen. False

This will pan the model instead of rotating.

II. To pan the model, hold down the Ctrl key and the middle mouse button. True

Some versions need you to hold down the ctrl key and the middle mouse button to pan, while others is just the middle mouse button then you drag the mouse around. The middle mouse is the scroll wheel on most mice today. You basically, just hold down the scroll wheel as you move the mouse to pan the model.

III. Use the mouse scroll wheel to zoom in and out of the model. True

To zoom in or out, one will need to rotate the mouse scroll wheel forward to zoom in and backward to zoom out.

 

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Which Artificial Intelligence (AI) term is used to describe extracting information from unstructured text using algorithms?
Alla [95]

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3 years ago
Oxnard Casualty wants to ensure that their e-mail server has 99.98 percent reliability. They will use several independent server
sattari [20]

Answer:

The smallest number of servers required is 3 servers

<em />

Explanation:

Given

Reliability = 99.98\%

Individual Servers = 95\%

Required

Minimum number of servers needed

Let p represent the probability that a server is reliable and the probability that it wont be reliable be represented with q

Such that

p = 95\%\\

It should be noted that probabilities always add up to 1;

So,

p + q = 1'

Subtract p from both sides

p - p + q = 1 - p

q = 1 - p

Substitute p = 95\%\\

q = 1 - 95\%

Convert % to fraction

q = 1 - \frac{95}{100}

Convert fraction to decimal

q = 1 - 0.95

q = 0.05

------------------------------------------------------------------------------------------------

<em>To get an expression for one server</em>

The probabilities of 1 servers having 99.98% reliability is as follows;

p = 99.98\%

Recall that probabilities always add up to 1;

So,

p + q = 1

Subtract q from both sides

p + q - q = 1 - q

p = 1 - q

So,

p = 1 - q = 99.98\%

1 - q = 99.98\%

Let the number of servers be represented with n

The above expression becomes

1 - q^n = 99.98\%

Convert percent to fraction

1 - q^n = \frac{9998}{10000}

Convert fraction to decimal

1 - q^n = 0.9998

Add q^n to both sides

1 - q^n + q^n= 0.9998 + q^n

1 = 0.9998 + q^n

Subtract 0.9998 from both sides

1 - 0.9998 = 0.9998 - 0.9998 + q^n

1 - 0.9998 = q^n

0.0002 = q^n

Recall that q = 0.05

So, the expression becomes

0.0002 = 0.05^n

Take Log of both sides

Log(0.0002) = Log(0.05^n)

From laws of logarithm Loga^b = bLoga

So,

Log(0.0002) = Log(0.05^n) becomes

Log(0.0002) = nLog(0.05)

Divide both sides by Log0.05

\frac{Log(0.0002)}{Log(0.05)} = \frac{nLog(0.05)}{Log(0.05)}

\frac{Log(0.0002)}{Log(0.05)} = n

n = \frac{Log(0.0002)}{Log(0.05)}

n = \frac{-3.69897000434}{-1.30102999566}

n = 2.84310893421

n = 3 (Approximated)

<em>Hence, the smallest number of servers required is 3 servers</em>

6 0
3 years ago
What software development model focuses on improving the product in small steps each time through the cycle?
VashaNatasha [74]

The software development model that focuses on improving the product in small steps each time through the cycle is the Waterfall Process model

•

The Waterfall Process model mainly focuses on going step by step to make sure the product improves sufficiently and significantly.

•

•

- Marlon Nunez

6 0
3 years ago
Read 2 more answers
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