Which of the following is true or false. Justify the statement with appropriate
example. a) Root Mean square error is good performance measure for multiclass classification problem. b) Cross validation is expected to reduce the variance in the estimate of error rate
of a classifier.
Answers
a) False. Root Mean Square Error (RMSE) is not a suitable performance measure for multiclass classification problems as it is primarily used for regression tasks. Multiclass classification typically requires different evaluation metrics such as accuracy, precision, recall, or F1 score.
b) True. Cross-validation is expected to reduce the variance in the estimate of error rate for a classifier. By repeatedly splitting the dataset into training and validation sets, cross-validation provides a more robust estimate of the model's performance by averaging the results across multiple iterations.
a) Root Mean Square Error (RMSE) is commonly used as an evaluation metric in regression tasks where the goal is to predict continuous values. It calculates the average squared difference between the predicted and actual values.
However, in multiclass classification problems, the objective is to assign instances to multiple classes. The RMSE does not directly capture the correctness of class assignments and is not appropriate for evaluating the performance of multiclass classification models. Instead, metrics like accuracy, precision, recall, or F1 score are commonly used.
b) Cross-validation is a technique used to assess the performance of a classifier by repeatedly splitting the data into training and validation sets. By doing so, it provides a more reliable estimate of the model's performance by reducing the variance in the estimate of the error rate.
Cross-validation helps in mitigating the impact of random variations in the training and test sets by averaging the performance across multiple folds. It provides a more robust evaluation of the model's generalization capabilities, making it a valuable tool for assessing and comparing different classifiers.
To learn more about Root Mean Square Error visit:
brainly.com/question/30404398
#SPJ11
Related Questions
Calculate the peak output voltage of a simple generator whose square armature windings are 6.30 cm on a side; the armature contains 185 loops and rotates in a field of 0.170 T at a rate of 180 rev/s .
Answers
The peak output voltage of the simple generator can be calculated using the formula V = NABω, where V is the voltage, N is the number of loops, A is the area of the armature, B is the magnetic field strength, and ω is the angular velocity.
Given that the side length of the armature winding is 6.30 cm, we can calculate the area as A = (side length) ^2 = (6.30 cm) ^2. The number of loops is given as 185, the magnetic field strength is 0.170 T, and the angular velocity is 180 rev/s. Plugging these values into the formula, we get V = (185) (6.30 cm^2) (0.170 T) (180 rev/s).
The highest voltage value in comparison to zero volts is referred to as peak voltage (VP). The abundancy is like the pinnacle esteem as it communicates the most noteworthy worth of the waveform. The pinnacle and plentifulness values are more utilized in waveform examination, and less frequently with AC electrical work.
Know more about peak output voltage, here:
https://brainly.com/question/32096510
#SPJ11
Cuando la corriente a través de un resistor de 10 kOHm es de 20 mA, la potencia es
Answers
Answer:
La potencia disipada por el resistor es 200 watts.
Explanation:
Supóngase que el resistor trabaja en corriente continua (CC). La potencia disipada por el resistor (\(\dot W\)), medida en watts, es definida por la siguiente ecuación matemática:
\(\dot W = i^{2}\cdot R\) (1)
Donde:
\(i\) - Corriente eléctrica, medida en amperios.
\(R\) - Resistencia eléctrica, medida en ohms.
Si sabemos que \(R = 10000\,\Omega\) y \(i = 20\times 10^{-3}\,A\), la potencia disipada por el resistor es:
\(\dot W = (20\times 10^{-3}\,A)\cdot (10000\,\Omega)\)
\(\dot W = 200\,W\)
La potencia disipada por el resistor es 200 watts.
Layout the logical structure of the report.along with headings and subheadings
Answers
Answer:
The typical structure of a report, as shown on this page, is often referred to as IMRAD, which is short for Introduction, Method, Results And Discussion. As reports often begin with an Abstract, the structure may also be referred to as AIMRAD.
The quantity of bricks required increases with the surface area of the wall, but the thickness of a masonry wall does not affect the total quantity of bricks used in the wall
True or False
Answers
Answer:
false
Explanation:
4.3
While a train is standing still, its smoke blows 12 m/s north.
What will the resulting velocity be of the smoke relative to the train if the train
is moving at 25 m/s south?
(3)
Answers
Briefly explain thermal expansion using the potential energy–versus–interatomic spacing curve.
Answers
As the temperature of the material increases, the potential energy of the molecules increases. Thermal expansion occurs due to changes in temperature, and interatomic distances increase as potential energy increases.
What are the uses of Thermal Expansion?Thermal expansion is used in a variety of applications such as rail buckling, engine coolant, mercury thermometers, joint expansion, and others.
It is to be noted that an application of the concept of liquid expansion in everyday life concerns liquid thermometers. As the heat rises, the mercury or alcohol in the thermometer tube moves in only one direction. As the heat decreases, the liquid moves back smoothly.
Learn more about Thermal Expansion:
https://brainly.com/question/1166774
#SPJ1
Your friend offers to pay you $3,000 five years from now. You'd prefer the money now so you can put it in a bank account at 8% interest. How much less Should your friend pay you today in. order to be equivalent to her original offer ?
Answers
Answer:
$958.25
Explanation:
PV = FV(1 +r)^(-t) . . . . present value of an amount earning rate r compounded annually for t years
PV = $3000(1.08^-5) ≈ $2041.75
The equivalent present value is $2041.75.
__
This amount is less than the offered amount by ...
$3000 -2041.75 = $958.25
She should pay you $958.25 less in order to make the offers equivalent.
JAVA
Write a while loop that prints userNum divided by 2 (integer division) until reaching 1. Follow each number by a space. Example output for userNum = 40:
20 10 5 2 1
Answers
While loop is a Pre-test loop, it is used when we don't know the number of iteration in advance.
It is also known as entry control loop.
Syntax is -
initialization
while(condition)
{
statements;
increment;
}
Code:public class division{
public static void main(String []args){
int userNum = 40;
while(userNum!=1){
userNum = userNum/2;
System.out.print(userNum+" ");
}
}
}
Within the loop, divide the userNum by 2 and then assign to Number. This process will continue until condition true.
if,
userNum = 40
userNum = 40/2 = 20
simultaneously, 20/2 = 10
10/2 = 5
5/2 = 1
When condition become false then while loop will terminates.
So, while loop that prints userNum divided by 2 (integer division) until reaching 1.
Here each number separated by space.
Output is:
20 10 5 2 1
To know more about while loop, visit:
https://brainly.com/question/19344465
#SPJ4
Financial options school leavers may consider to pay tertiary education
Answers
There are several financial options that school leavers may consider to pay for tertiary education. Here are some common options:
Scholarships and grants: School leavers can research and apply for scholarships and grants offered by universities, government bodies, private organizations, and foundations. These can provide financial assistance without the need for repayment.Student loans: Many students opt for student loans to cover their educational expenses. These loans are provided by banks, financial institutions, or government programs. It's important to carefully consider the terms and interest rates associated with the loans before making a decision.Work-Study programs: Some universities offer work-study programs that allow students to work part-time on campus while studying. This can help cover some of the educational costs.Savings and family support: School leavers can utilize their personal savings or rely on support from family members to fund their education. This may involve using funds from a dedicated education savings account or seeking financial assistance from parents or guardians.
To know more about financial click the link below:
brainly.com/question/26821756
#SPJ11
The complete question is: Discuss three financial option school leavers may consider to pay for tertiary education
The number of weaving errors in a twenty-foot by ten-foot roll of carpet has a mean of 0.8 What is the probability of observing more than 4 errors in the carpet
Answers
Answer:
0.14% probability of observing more than 4 errors in the carpet
Explanation:
When we only have the mean, we use the Poisson distribution.
In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by the following formula:
\(P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}\)
In which
x is the number of sucesses
e = 2.71828 is the Euler number
\(\mu\) is the mean in the given interval.
The number of weaving errors in a twenty-foot by ten-foot roll of carpet has a mean of 0.8.
This means that \(\mu = 0.8\)
What is the probability of observing more than 4 errors in the carpet
Either we observe 4 or less errors, or we observe more than 4. The sum of the probabilities of these outcomes is 1. So
\(P(X \leq 4) + P(X > 4) = 1\)
We want P(X > 4). Then
\(P(X > 4) = 1 - P(X \leq 4)\)
In which
\(P(X \leq 4) = P(X = 0) + P(X = 1) + P(X = 2) + P(X = 3) + P(X = 4)\)
\(P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}\)
\(P(X = 0) = \frac{e^{-0.8}*(0.8)^{0}}{(0)!} = 0.4493\)
\(P(X = 1) = \frac{e^{-0.8}*(0.8)^{1}}{(1)!} = 0.3595\)
\(P(X = 2) = \frac{e^{-0.8}*(0.8)^{2}}{(2)!} = 0.1438\)
\(P(X = 3) = \frac{e^{-0.8}*(0.8)^{3}}{(3)!} = 0.0383\)
\(P(X = 4) = \frac{e^{-0.8}*(0.8)^{4}}{(4)!} = 0.0077\)
\(P(X \leq 4) = P(X = 0) + P(X = 1) + P(X = 2) + P(X = 3) + P(X = 4) = 0.4493 + 0.3595 + 0.1438 + 0.0383 + 0.0077 = 0.9986\)
\(P(X > 4) = 1 - P(X \leq 4) = 1 - 0.9986 = 0.0014\)
0.14% probability of observing more than 4 errors in the carpet
Answer:
0.14% probability of observing more than 4 errors in the carpet
Explanation:
Scheduling can best be defined as the process used to determine:
Answers
Answer:
Overall project duration
Explanation:
Scheduling can best be defined as the process used to determine a overall project duration.
the following questions need to answered please and thank you
Answers
Answer:
Can't see, clearly photo then you can get your answer quickly
Explanation:
What type of social engineering targets particular?.
Answers
Social engineering is a technique used by cybercriminals to manipulate people into divulging their confidential data. Social engineers exploit the human psyche and their behavior to get access to sensitive information. Social engineering targets are specific, and they use various tactics to achieve their goals.
Several different types of social engineering attacks target specific groups of individuals. Below are some types of social engineering attacks.Phishing is a type of social engineering attack that is widely used by attackers. It is an attempt to trick the victim into clicking on a link that leads to a fraudulent website. The attacker can then steal the user's confidential data, such as login credentials, banking information, or personal data.Spear phishingSpear phishing is a more sophisticated type of social engineering attack. It is specifically designed to target particular individuals or groups. Spear phishing attempts to gain access to sensitive data through targeted emails, social media messages, or other communication channels. Attackers often use personal information or context-specific information to create a more convincing and personalized message.TailgatingTailgating is another type of social engineering attack that targets a particular individual or group. It occurs when a cybercriminal gains access to a restricted area by following someone who has authorized access. The attacker pretends to be an employee or a delivery person, and they wait outside the restricted area to follow an authorized employee as they enter the restricted area.BaitingBaiting is another type of social engineering attack that targets a particular individual. It occurs when an attacker leaves a physical device, such as a USB drive, in a public place, such as a parking lot or office building. The device is labeled with something like "Payroll Information," "Confidential," or another similar title. If the device is picked up and plugged into a computer, it can install malware onto the system. Malware can then be used to steal sensitive information. In conclusion, social engineering attacks use various tactics and techniques to target specific individuals or groups. These attacks can be difficult to detect, but by being aware of the types of social engineering attacks, individuals can better protect themselves from these types of attacks.
To know more about Social engineering visit:
https://brainly.com/question/31021547
#SPJ11
The following mechanical testing data was obtained for a material whose cylindrical test sample dimensions before the test were: gage length - 50.8 mm and diameter - 12.83 mm: Load (N) Gage length (mm) 20 50.80 40 50.90 80 51.00 51.06 120 51.08 130 51.16 140 51.31 160 52.07 160 (maximum) 53.31 156 (fracture) 54.20 100 Provide one reason as to why the true failure strength of the material is likely to be underestimated by your answer in ii) (d). What measurement calculation could be made to correct for the underestimation?
Answers
This corrected stress value can then be used to determine the true failure strength of the material.
One reason why the true failure strength of the material is likely to be underestimated is due to the presence of surface flaws or defects that initiate the fracture at a stress level lower than the actual strength of the material. To correct for the underestimation, the stress concentration factor at the point of failure can be calculated using the ratio of the actual stress to the nominal stress. This factor can be determined using the geometry of the test sample, which is assumed to be a standard shape. Once the stress concentration factor is known, the actual stress at the point of failure can be calculated by multiplying the nominal stress by the stress concentration factor. This corrected stress value can then be used to determine the true failure strength of the material.
Learn more about stress value here
https://brainly.com/question/16244526
#SPJ11
When comparing the before-tax MARR (MARRg) to the after-tax MARR (MARRAT), which formula is appropriate? MARRAT - MARROT O MARRET - MARRAT(1 - effective income tax rate) 0 MARRAT = MARRgr(1 - effective income tax rate) MARRAT > MARRET
Answers
When comparing the before-tax MARR (MARRg) to the after-tax MARR (MARRAT), the appropriate formula is MARRAT = MARRg(1 - effective income tax rate).
The income tax rate varies depending on the country and the specific tax laws in place. Different countries have different tax systems and tax rates that are applied to various income levels. Additionally, tax rates can also vary based on factors such as the filing status (individual or joint), deductions, exemptions, and credits. This formula takes into account the effective income tax rate and adjusts the MARR accordingly. The other formulas listed are not correct for comparing before-tax and after-tax MARR. It is important to consider the after-tax MARR when making investment decisions, as it more accurately reflects the actual returns you will receive.
To learn more about income tax rate
https://brainly.com/question/30319083
#SPJ11
in a p -n junction, the n-doping nd is doubled. how do the following change if everything else remains unchanged? indicate only increase or decrease. (a) junction capacitance (b) built-in potential (c) breakdown voltage (d) ohmic losses
Answers
In a p-n junction, option c is accurate because the is double. the values below change if everything else stays the same and they only indicate a rise or fall in breakdown voltage.
Breakdown voltage It is the voltage at which current in a forward biased PN junction begins to flow or increases. When reverse voltage is present, junctions break down and reverse current increases quickly. The depletion layer's width narrows. The depletion layer becomes wider. A diode's breakdown voltage specifies the highest reverse voltage that can be used without exponentially increasing the leakage current in the diode. A diode won't necessarily be destroyed if its breakdown voltage is exceeded, but it will be if its current capacity is. To create an ionization path through the dielectric, the open gap voltage must increase before current can flow.
Learn more about breakdown voltage here:
https://brainly.com/question/29513692
#SPJ4
1. A flywheel is suspended by resting the inside of the rim on a horizontal knife edge so that the wheel can swing in a vertical plane. The flywheel has a mass of 350Kg. The knife edge is parallel to and making 350mm from the axis of the wheel. The time for making one small oscillation is 1.77 seconds. Assuming that the centre of mass is in the axis of the wheel, determine:
(I).The radius of gyration of the wheel about the axis.
(II). The torque to increase the speed of the flywheel at uniform rate from 240 rev/min to 250 rev/min in 0.75seconds when the flywheel is revolving about its axis.
2. A solid metal cylinder 450mm diameter is suspended with its axis vertical by means of a wire coaxial with the cylinder and rigidly attached to it. The stiffness of the wire is 22Nm per radian of twist. Find the necessary mass of the cylinder so that when it is given a small angular displacement about its axis, it will make 40 vibrations per minute.
Answers
Answer: A fly wheel having a mass of 30kg was allowed to swing as pendulum about a knife edge at inner side of the rim as shown in figure.
Explanation:
A causal linear constant coefficient differential equation (LCCDE) is described as y[n]−7/6y[n−1]+1/3y[n−2]=2x[n−2] Without using any transform, determine the impulse response h[n] of the system.
Answers
Given the LCCDE: y[n] − 7/6y[n−1] + 1/3y[n−2] = 2x[n−2]To determine the impulse response, we need to set x[n] = δ[n]. This gives us: y[n] − 7/6y[n−1] + 1/3y[n−2] = 2δ[n−2].
We know that the impulse response, h[n], is the output when the input is the impulse function. Therefore, h[n] is equal to the output y[n] when x[n] = δ[n].Let's take the Z-transform of both sides of the equation:
y[n] − 7/6y[n−1] + 1/3y[n−2] = 2δ[n−2]⇒ Y(z) - 7/6z⁻¹Y(z) + 1/3z⁻²Y(z) = 2z⁻²
Hence, Y(z) (1 - 7/6z⁻¹ + 1/3z⁻²) = 2z⁻²
Therefore, the transfer function is given by:
H(z) = Y(z)/X(z) = 2z⁻² / (1 - 7/6z⁻¹ + 1/3z⁻²)
To get the impulse response, h[n], we need to find the inverse Z-transform of H(z).We have:
H(z) = 2z⁻² / (1 - 7/6z⁻¹ + 1/3z⁻²) = 2z⁻² / [(z⁻¹ - 1/2)(z⁻¹ - 1/3)]We can use partial fraction decomposition to find the inverse Z-transform of H(z).Let's write H(z) as:
H(z) = 2z⁻² / [(z⁻¹ - 1/2)(z⁻¹ - 1/3)]= A/(z⁻¹ - 1/2) + B/(z⁻¹ - 1/3)
Where A and B are constants. To find A and B, we multiply both sides by the denominators of the fractions on the right-hand side and then substitute z = 1/2 and z = 1/3. This gives us:
A(z⁻¹ - 1/3) + B(z⁻¹ - 1/2) = 2z⁻²Let z = 1/2. This gives us:
A(1/2 - 1/3) + B(1/2 - 1/2) = 2(1/2)⁻²⇒ 3A = 4Let z = 1/3. This gives us: A(1/3 - 1/3) + B(1/3 - 1/2) = 2(1/3)⁻²⇒ -2B = 9
We can solve for A and B to get:
A = 4/3 and B = -9/2
Taking the inverse Z-transform of H(z), we get:
h[n] = (4/3)(1/2)ⁿu[n] - (9/2)(1/3)ⁿu[n]where u[n] is the unit step function.
To know more about denominators visit:
https://brainly.com/question/32621096
#SPJ11
Is each of the following class identifiers (a) legal and conventional, (b) legal but unconventional, or (c) illegal? a. associationRules
b. void
c. Golden Retriever
d. Invoice
e. 36542ZipCode
f. Apartment
g. Phone#
h. 8888
i. displayTotal()
j. Accounts_Receivable
Answers
According to the question, the following class identifiers are:
a. legal and conventional
b. legal and conventional
c. legal but unconventional
d. legal and conventional
e. legal but unconventional
f. legal and conventional
g. illegal
h. illegal
i. legal and conventional
j. legal and conventional
What is class identifiers?
Class identifiers are used to identify a class in object-oriented programming language. They are also known as class names and they are used to establish a connection between the program code and the class itself. They are used to represent the class in the code, and they are also used to identify the class in the code. They are different from identifiers of variables, which are used to identify variables in the code. Class identifiers must be unique and should not be confused with any other class identifiers or variable identifiers.
To learn more about class identifiers
https://brainly.com/question/29628757
#SPJ4
You can use this to listen to light from the big bang.
A. a microwave
C.
B. a cell phone
C. a radio
D. a tv
Answers
5-2 discussion: the role of communication in success
Answers
Answer:
Answer to the following question is as follows;
Explanation:
It is critical to communicate well during negotiations and conversation in order to attain your objectives. Communication also becomes essential in business and corporation . Effective communication may help you as well as your employees develop a strong professional relationship, which can boost morale and efficiency.
A horizontal poly crystalline solar panel module has to be investigated by natural cooling. For crystal silicon, the thermal coefficient approximately 0.0045/K is used. Investigate the effect of air velocity on the cooling performance of PV panels at 0-5 m/s air velocities, 25-40 ºC ambient temperatures, and 400-1000 W/ m2 solar radiation
Answers
Solution :
It is given that :
Thermal coefficient = 0.0045/K
Ambient temperature, \($T_a = 25 - 40^\circ$\)
air velocity, v = 0-5 m/s
Solar radiation, \($G= 400-100 \ W/m^2$\)
\($P=50 \ W$\)
Model calculations :
Cell temperature (\($T_c$\))
\($T_c = T_a + \left(\frac{0.25}{5.7+3.8 \ v_w}\right) G$\)
where \($ v_w - v_a = $\) wind speed / air speed
∴ \($T_c = 2 \pi + \left(\frac{0.25}{5.7+3.8 \times 1}\right) \times 400$\)
\($T_c = 35.526 ^\circ$\)
\($\Delta T = T_c -25$\)
= 35.526 - 25
= 10.526 K
Thermal coefficient = 0.0045 x 10.526
= 0.04737
Pv power = \($(1 -C_T) \times P \times \frac{G}{1000}$\)
\($=(1 -0.04737) \times 50 \times \frac{400}{1000}$\)
= 17.0526 W
A closed, 0.4-m-diameter cylindrical tank is completely filled with oil (SG 0.9)and rotates about its vertical longitudinal axis with an angular velocity of 40 rad/s. Determine the difference in pressure just under the vessel cover between a point on the circumference and a point on the axis
Answers
Answer: \(p_{B} - p_{A}\) = 28800 Pa or 28.8 kPa
Explanation: To determine the pressure of a liquid in a rotating tank,it is used:
p = \(\frac{p_{fluid}.w^{2}.r^{2} }{2}\) - γfluid . z + c
where:
\(p_{fluid}\) is the liquid's density
w is the angular velocity
r is the radius
γfluid.z is the pressure variation due to centrifugal force.
For this question, the difference between a point on the circumference and a point on the axis will be:
\(p_{B} - p_{A}\) = \(\frac{p_{fluid}.w^{2}.r_{B} ^{2} }{2}\) - γfluid.\(z_{B}\) - (\(\frac{p_{fluid}.w^{2}.r_{A} ^{2} }{2}\) - γfluid.\(z_{A}\))
\(p_{B} - p_{A}\) = \(\frac{p_{fluid}.w^{2}}{2} (r_B^{2} - r_A^{2} )\) - γfluid(\(z_{B}\) -\(z_{A}\))
Since there is no variation in the z-axis, z = 0 and that the density of oil is 0.9.10³kg/m³:
\(p_{B} - p_{A}\) = \(\frac{p_{fluid}.w^{2}}{2} (r_B^{2} - r_A^{2} )\)
\(p_{B} - p_{A} = \frac{0.9.10^3.40^2}{2}(0.2^2 - 0)\)
\(p_{B} - p_{A}\) = 28800
The difference in pressure between two points, one on the circumference and the other on the axis is \(p_{B} - p_{A}\) = 28800 Pa or 28.8 kPa
how to answer for computer science quora how do your interests directly connect with cornell engineering? if you have an intended major, what draws you to that department at cornell engineering? if you are unsure what specific engineering field you would like to study, describe how your general interest in engineering most directly connects with cornell engineering. it may be helpful to concentrate on one or two things that you are most excited about\.\* (250 words)
Answers
Focus primarily on highly precise specifics of what Cornell offers and how it matches with your interests and values. You can regard this as a "Why us?" essay with some optional "Why major" spice.
How to write essay ?Cornell is fundamentally a research institution, and I am fundamentally a researcher. The Collective Embodied Intelligence Lab would be the ideal place for me to put what I have learned from my own work in that area to use while learning from Dr. Petersen and her ground-breaking research in termite-inspired construction robots. The lab focuses on the control of multi-agent robotic systems, especially drawing inspiration from insect swarm mechanics. Cornell is known for its research, but what truly stood out to me was its distinct dedication to project teams. I discovered I wanted to join every team after doing my homework on them. Consider Baja; the idea of creating an off-road car from scratch is comparable to FTC competitions. Even though I have a strong foundation in CAD, wiring, and chassis construction, I'm eager to tackle more complex issues with even more room for creativity.To learn more about essay refer :
https://brainly.com/question/94727
#SPJ4
Resistors are used to reduce current flow, adjust signal levels to divide voltages, bias active elements and terminate transmission line.true or false
Answers
Answer:
True
Explanation:
Those are the exact uses of a resistor
which type of refrigerant cylinder is gray on the bottom and yellow on the top?
Answers
The type of refrigerant cylinder that is gray on the bottom and yellow on the top is commonly known as a "One-Step" cylinder.
These cylinders are designed for use with R-410A refrigerant, which is commonly used in newer air conditioning and heat pump systems. The gray color at the bottom of the cylinder indicates that it is designed for use with liquid refrigerant, while the yellow color at the top indicates that it is designed for use with vapor refrigerant. This helps to prevent accidental mixing of the two forms of refrigerant, which could lead to dangerous situations. One-Step cylinders typically have a capacity of 25 pounds of refrigerant and are made of steel to ensure durability and safety.
To know more about refrigerant visit:
https://brainly.com/question/28273498
#SPJ11
Draw the ipo chart for a program that reads a number from the user and display the square of that number ???Anyone please
Answers
Answer:
See attachment for chart
Explanation:
The IPO chart implements he following algorithm
The expressions in bracket are typical examples
Input
Input Number (5, 4.2 or -1.2) --- This will be passed to the Processing module
Processing
Assign variable to the input number (x)
Calculate the square (x = 5 * 5)
Display the result (25) ----> This will be passed to the output module
Output
Display 25
What unit of electricity is used as a signal for a computer?
Answers
Answer:
A power supply unit (PSU) converts mains AC to low-voltage regulated DC power for the internal components of a computer. Modern personal computers universally use switched-mode power supplies
Answer:
Volt is the SI (Standard International) unit of electrical potential of the..
Explanation:
Trevor typically works on the highways doing maintenance. Who is most likely his employer? a large private company himself the government a small private company
Answers
Answer: The Government.
Explanation: Highways are usually a roads where people travel on. They are usually owned mainly by the government some are owned by private entities. Of the above options the most possible employer of Trevor is the government as majority of the highways are usually owned by the government.
The government provide several services on the highways such as roads maintenance, security, accidents and emergency cares etc
Answer: I think it's C, I hope this helps ;)
can you suggest a reason for the poor agreement between converted and measured brinell numbers in some cases?
Answers
All suggestions for the poor agreement between converted and measured brinell numbers in some cases are mentioned below.
Describe Brinell?Brinell is a method for measuring the hardness of a material, typically a metal, by pressing a hard ball or sphere into the surface of the material and measuring the resulting indentation. The Brinell hardness test is widely used in industry to determine the suitability of a material for a particular application, as well as to monitor the quality of materials during manufacturing.
There could be several reasons for poor agreement between converted and measured Brinell hardness numbers, including:
Surface condition: The Brinell hardness test requires a smooth and flat surface for accurate measurement. If the surface is rough or uneven, it can lead to inaccurate measurements and a poor correlation between the measured and converted values.Test conditions: The Brinell test requires specific testing conditions, such as the load applied, the duration of the load, and the diameter of the ball used for indentation. If these conditions are not strictly controlled, it can lead to inconsistencies and inaccurate measurements.Material properties: The Brinell hardness test measures the resistance of a material to indentation. If the material being tested has variations in composition, microstructure, or other properties, it can lead to inconsistent measurements and poor agreement between measured and converted values.Conversion factors: The conversion from Brinell hardness to other hardness scales, such as Rockwell or Vickers, requires the use of conversion factors. If these factors are not accurate or are not applied correctly, it can lead to poor agreement between measured and converted values.It's important to note that the Brinell hardness test is just one method of measuring hardness, and other tests, such as Rockwell or Vickers, may provide more accurate and reliable results in certain situations.
To know more about indentation visit:
https://brainly.com/question/29765112
#SPJ4