QUESTION 2 [25] You are required to design a voltmeter to sense the required voltage and display it on a computer. You are equipped with the following: An 8 MHz ATMega32 and other components. A voltage sensor with the following properties; provides an output pulse proportional to the sensed voltage, the voltage sensed is proportional to pulse width (1μs is equal to 1 millivolt), has a range of 1mv to 99mv and uses PORTD.6 of the ATmega32. ▪ A PC running HyperTerminal software with a functioning serial interface. with the following parameters; baud rate of 1200bps in normal mode, data framing of 1 start bit, 8 bits, odd parity, two stop bits and LSB first. Assume you are provided with a subroutine called Extract, which extracts the units and tens of the value in a register Temp and stores in Temp1 and Temp2 respectively. a) Draw a block diagram of the system hardware connections? [2] b) Describe how to implement the code including the sections and subroutines that you will use? [4] Determine the configuration registers you will use and their values in hexadecimal? [4] c) d) Write a complete assembler language program for the Voltmeter? [15]

The number of X is 33 inches.

A perimeter became the closed path that encompasses, surrounds, or outlines each a two-dimensional shape or a one-dimensional length. The perimeter of a circle or an ellipse is known as its circumference. Calculating the perimeter has numerous practical applications. The perimeter moreover says the length of the definition of a shape. To find out the edge of a rectangle or square you want to add the lengths of all four sides.

To determine the amount of X, we will use the method below:

X + X + X + X = 132 or 4x = 132.

Then we will discover the result for X with the step below:

4x = 132

Divide both side by 4

Hence

x = 132 : 4 = 33

x = 33

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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.

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.

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The thickness of aluminium needed to stop the beam electrons, protons and alpha particles at the given dfferent kinetic energies is 1.5 x 10⁻¹⁴ m.

The thickness of the aluminum can be determined using from distance of closest approach of the particle.

\(K.E = \frac{2KZe^2}{r}\)

where;

\(r = \frac{2KZe^2}{K.E} \\\\r = \frac{2 \times 9\times 10^9 \times 13\times (1.6\times 10^{-19})^2}{2.5 \times 10^6 \times 1.6 \times 10^{-19}} \\\\r = 1.5 \times 10^{-14} \ m\)

Since the magnitude of charge of electron and proton is the same, at equal kinetic energy, the thickness will be same. r = 1.5 x 10⁻¹⁴ m.

Charge of alpah particle = 2e

\(r = \frac{2KZe^2}{K.E} \\\\r = \frac{2 \times 9\times 10^9 \times 13\times (2 \times 1.6\times 10^{-19})^2}{10 \times 10^6 \times 1.6 \times 10^{-19}} \\\\r = 1.5 \times 10^{-14} \ m\)

Thus, the thickness of aluminium needed to stop the beam electrons, protons and alpha particles at the given dfferent kinetic energies is 1.5 x 10⁻¹⁴ m.

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Most slide layouts include at least one Transition by default.

Hence, option C is correct answer.

What are the common elements of slide layouts?

All of the content that appears on a slide is formatted, positioned, and placed in placeholder boxes using slide layouts. On slide layouts, placeholders are the dotted-line containers that contain the titles, body text, tables, charts, SmartArt visuals, photos, clip art, movies, and sounds, among other contents.

There will be a new slide layout. The default layout will have placeholders for the title and footer. Toggle these placeholders on and off by selecting the Title and Footers boxes in the Master Layout group. The slide layout can now include backdrop graphics, forms, and images. The majority of slide templates have at least one area where you may type text or insert graphics.

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Correct Question:

Most slide layouts include at least one ________ by default.

(A) action button

(B) placeholder

(C) transition

(D) animation

Data and insight is the component of the enterprise platform will help the company capture customer information.

These are the data and knowledge gotten from analysis of customer's information in a business.

This enterprise platform is very important as it helps the organization to improve their services

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Answer:

3w/m²k

Explanation:

Base on the scenario been described in the question, the solution to the given problem solve in the file attached below

Answer:

The operating principle of a ramp type digital voltmeter is to measure the time that a linear ramp voltage takes to change from level of input voltage to zero voltage (or vice versa).

Answer:

Use a special chart to do so

Explanation:

I would search updecoding charts

Answer: Use a chart or ask a pilot(like me). The z stands for Zulu which is the standard aviation time and the 4 letter code stands for the airport it was issued at. (Fun fact. Metars are very convenient in untowered airports because they broadcast the baro pressure that the tower would usually give you in a towered airport.)

Explanation:

After adding the ID statement and submitting the program, the results should contain 35 observations.

To add an "id statement" to use customer ID as the identifying variable, you would need to specify the ID variable in your data analysis software or program. The exact syntax will depend on the software you're using, but in many cases, you can specify the ID variable using a command like "id id_variable_name".

For example, in Stata, you would add the following code:

id customer_id

In R, you would use the following code to specify the customer ID as the row names:

rownames(data_frame) <- data_frame$customer_id

Note that you may also need to specify the data file containing the customer IDs if you haven't already loaded it into your program.

After adding the ID statement and submitting the program, the results should contain 35 observations.

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Answer:

Dimensions of a standard container is length 5.440 m 17'10 3/16' width 2.294 m 7'6 1/4' height centimeters 3.237 7'4 1/16'

Explanation:

Standard height for a shipping container is 8 feet 6 inches

The NTU (Number of Transfer Units) value for the given shell and tube heat exchanger can be calculated as follows:

NTU = (UA) / (C_min)

The NTU method is used to analyze heat transfer in a heat exchanger. It provides a dimensionless parameter that represents the effectiveness of the heat transfer process. NTU is calculated using the formula NTU = (UA) / (C_min), where UA is the overall heat transfer coefficient multiplied by the surface area of the heat exchanger, and C_min is the minimum heat capacity rate of the two fluids involved.

In this case, the hot and cold fluids have the same flow rate and specific heat capacity. Since the specific heat capacity (Cp) of the fluid is not given, it is assumed to be constant. Therefore, the minimum heat capacity rate (C_min) can be determined by selecting the fluid with the lower mass flow rate.

By plugging in the given values for the UA product (11487.5 W/K) and the flow rates, we can calculate the NTU value for the heat exchanger.

Step 3: Calculation

C_min = min(q2mb * Cp, q1mb * Cp) = min(6000 kg/h * 3200 J/kgK, 12000 kg/h * 3200 J/kgK) = 6000 kg/h * 3200 J/kgK = 1,920,000 J/hK

NTU = (UA) / (C_min) = 11487.5 W/K / (1,920,000 J/hK) = 0.00598

Therefore, the NTU value for the given shell and tube heat exchanger is approximately 0.00598.

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When the power rating of a transformer is exceeded by placing too great on the transformer, the voltage will start to drop, and the transformer may overheat and be damaged.

This is because exceeding the power rating causes the transformer to draw more current than it is designed to handle, resulting in increased losses due to the resistance of the winding and core materials. This increased current also causes a voltage drop across the winding and leads to a decrease in output voltage, which can cause problems downstream in the circuit. If the current continues to increase beyond the transformer's capacity, it can cause overheating and damage to the winding insulation, leading to short circuits and potential safety hazards.

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Answer: i believe it’s acoustics

Explanation:

Answer:

Resonance is when the frequency of the vibrating quartz rod is equal to the frequency of the LC tank circuit.

The maximum shear stress is  R = 25 MPa

Since the Von Mises stress in this case is less than the yield stress

From the circle, we can read off the principal stresses  as the two intersections of the circle with the horizontal axis. In this case, the principal stresses are:

σ1 = σavg + R = 35 MPa

σ2 = σavg - R = -15 MPa

The maximum shear stress is given by the radius of the circle, which is equal to half of the difference between the two principal stresses:

τmax = R = 25 MPa

In order to determine if the plate will yield under uniaxial tension with a yield stress of 80 N/mm², we first need to convert the units of the stress values we obtained earlier from MPa to N/mm²:

σ1 = 35 MPa = 35 N/mm²

σ2 = -15 MPa = -15 N/mm²

Substituting these values into the Von Mises yield criterion equation, we get:

σVM = √(35² - 35(-15) + (-15)²) = 51.96 N/mm²

Since the Von Mises stress in this case is less than the yield stress

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The hostname of the computer is "pop9". On a computer with an FQDN of pop9.support.PoorCredit.com.

In a Fully Qualified Domain Name (FQDN), the hostname is the leftmost part of the domain name, which in this case is "pop9". The domain name, "support.PoorCredit.com", is composed of the subdomain "support", the second-level domain "PoorCredit", and the top-level domain "com". The FQDN provides a complete address for the computer on the internet and is used for various networking purposes, such as domain name resolution, email routing, and web browsing.

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Answer:

they are fictional characters featured in video games etc

Answer: Mario and Luigi are game characters, which feature in the Super Mario Maker series, the Paper Mario series, but most notably, the Super Mario Bros. series. Mario debuted in Donkey Kong (1981), while Luigi debuted in Mario Bros (1983, not to be confused with Super Mario Bros, which released two years after Mario Bros).

A two-opening superimposed waveguide directional coupler is a type of directional coupler that consists of two waveguides that are positioned parallel to each other.

The operating principle of a two-opening superimposed waveguide directional coupler is based on the interaction between the electromagnetic fields of the two waveguides.

When a signal is introduced into one waveguide, it creates an electromagnetic field that extends into the adjacent waveguide. The strength of the electromagnetic field in the adjacent waveguide depends on the separation distance between the two waveguides.

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The probability that none of the letters A, B, C, D , and E is in the correct position is 11/30

probability that none of them is in the right position

= 1 - Probability they are in right positions

probability is solved with the formula

= required outcome / total outcome

5 letters can be arranged in 5! ways, hence total outcome

= 5!

= 5 * 4 * 3 * 2 * 1

= 120 ways

There is 5 required outcome of positioning the letters right

1. chance that all the letters are in the right position = 1

2. chance that 4 of the letters are in the right position = 0

This is zero because it is same as the first. If 4 are in the right position the all are in the right position.

3. chance that 3 of the letters are in the right position

= ⁵C₃ * 1

= 10

4. chance that 2 of the letters are in the right position

= (⁵C₂) * 2

= 10 * 2

= 20

5. chance that 1 of the letters are in the right position

= (⁵C₁) * 9

= 5 * 9

= 45

sum of the outcomes = 76

probability = required outcome / total outcome

= 76/120

probability that none of them is in the right position

= 1 - 76/120

= 11/30

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Answer:

pocket cut

Explanation:

type of adjustable square that can be used to set test and transfer angles. sliding t bevel.

The five type of new communication method (both wire and wireless) are:

This means the act of giving, receiving and sharing of information as well as talking, writing, listening or reading.

The types of Communication includes:

The wired communication involves transmission of data over a wire-based communication technology while a wireless communication involves transmission of data without the use of a cable or wire.

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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.

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Answer:

Workshop technology is the type of technology which deals with different processes by which component of a machine or equipment are made. Its purpose is that the module unit is designed to equip the trainee with knowledge, skills, and attitudes that enable to perform basic workshop tasks.

Answer:

C.) Disagreement about unknown facts

A mixed economy combines the traits of these two (2) economic systems: B. market and command.

A mixed economy can be defined as a type of economic system in which the government of a particular country is minimally involved in the allocation and production of goods and services, while effectively protecting the interest of the consumers and regulating the market by establishing laws.

This ultimately implies that, a mixed economy combines the traits of these two (2) economic systems market and command.

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In contrast to mobile work zones, stationary work zones have clearly defined boundaries.

According to the 2009 edition of the Manual on Uniform Traffic Control Devices (MUTCD), a short-term stationary work zone is "daytime work that occupies a location for more than one hour within a single daylight period."

The following are typical daytime work shift-length tasks:

paving the road, fixing broken underground water lines, fixing storm water catch basins, trimming trees along the road, and parking work vehicles for a long time on the side of the road. The minimum traffic control planning and devices that are required to safely direct motorists, bicyclists, and pedestrians around workers and work vehicles during daylight hours will be discussed in this bulletin. Night operations necessitate additional equipment and planning, which is not the subject of this bulletin.

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Answer:

C

Explanation:

I believe this should b corretc

Answer:false

Explanation:

Bc

Answer:

the material's toughness, in terms of energy absorbed until fracture, is 98 kJ.

Explanation:

Step 1: Calculate the strain at the yield point:

Given that the cross-sectional area of the specimen is 0.004 m², and it yielded at a load of 280 kN (280,000 N), we can calculate the stress at the yield point:

Stress = Load / Cross-sectional area

Stress = 280,000 N / 0.004 m²

Stress = 70,000,000 N/m² (or Pa)

Using Hooke's Law, we know that stress is equal to the modulus of elasticity (E) multiplied by the strain (ε) at the yield point:

Stress = E * Strain

70,000,000 N/m² = 200,000,000,000 N/m² * Strain (converting E from GPa to N/m²)

Strain = 70,000,000 / 200,000,000,000

Strain = 0.00035

Step 2: Calculate the strain energy up to the yield point:

Strain energy (U) = (1/2) * Stress * Strain * Volume

We can assume that the volume remains constant during the test, so:

Strain energy (U) = (1/2) * Stress * Strain * Cross-sectional area * Length

For simplicity, let's assume the length of the specimen is 1 meter (this assumption won't affect the toughness calculation since it is based on energy per unit volume). Substituting the values:

Strain energy (U) = (1/2) * 70,000,000 N/m² * 0.00035 * 0.004 m² * 1 m

Strain energy (U) = 98,000 J (Joules)

Step 3: Convert the strain energy to kilojoules (kJ):

Toughness = Strain energy / 1000

Toughness = 98,000 J / 1000

Toughness = 98 kJ