why do maxima (bright spots) and minima (dark spots) appear when light is reflected back from the cd?

Answer:

Just hit Alt + F7 on your keyboard and it will start with the first misspelled word. If the first highlighted word at the top of the list is correct, just hit Enter. Or you can arrow to the correct one, ignore it, or Add to Dictionary.

Answer:

0 and -3

Explanation:

These two options do not fall within 1 and 10.

Answer:

2.5 and two

are the answers

To modify almost any algorithm to have a good best-case running time, we can follow these three steps:

In order to modify an algorithm to have a good best-case running time, it is important to identify specific inputs that have faster processing times than the general case. By adding special cases or checks in the algorithm to handle these inputs, we can reduce the overall running time of the algorithm.

For example, if we are sorting an array and we know that the array is already sorted, we can add a check to skip the sorting process and return the array as is. Similarly, if we are searching for an element in a sorted array, we can add a check to see if the element is the first or last element of the array, which would be faster than performing a binary search.

It is important to note that adding special cases or checks can increase the complexity and code size of the algorithm, and may not always be worth the effort. It is also important to thoroughly test the algorithm with different inputs to ensure that the modifications do not introduce any bugs or errors.

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Experimental Synthesis operating system's approach to kernel design and system-performance optimization have the following pros and cons:Pros:Reduced system call execution time: Because the kernel builds and assembles routines within kernel space, the system call path through the kernel is shortened, resulting in faster system call execution times.

Less overhead: The Synthesis approach reduces overhead by assembling routines within the kernel space rather than passing them through many layers. Less complex: By including an assembler in the kernel, Synthesis significantly reduces the number of layers involved in a system call, making the operating system less complicated and more efficient.  A faster, smoother system: With less overhead and a simplified approach, Synthesis can optimize the performance of system calls, resulting in a quicker and smoother operating system experience. Cons:Less modular: The Synthesis approach is less modular than the layered approach since it reduces the number of layers and consequently the modularity. Limited flexibility: Synthesis has a limited ability to modify the operating system's behavior and features due to the simplified approach and reduced modularity.

More challenging to develop and debug: Due to the reduced modularity and increased complexity, the Synthesis approach can be more difficult to develop and debug than the layered approach.

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There are several reasons why a running process may relinquish the CPU.

Three common causes are:
1. I/O Wait: When a process is waiting for input or output to complete, it may relinquish the CPU to avoid wasting resources. In this case, the scheduler puts the process in the waiting state.
2. Preemption: When a higher-priority process becomes ready to run, it may preempt the currently running process to ensure that the system runs as efficiently as possible. In this case, the scheduler puts the preempted process in the ready state.
3. Completion: When a process finishes executing, it relinquishes the CPU to allow other processes to run. In this case, the scheduler puts the process in the terminated state.

In all three cases, the scheduler is responsible for managing the process and ensuring that it runs efficiently. By carefully managing the state of each process, the scheduler can ensure that the system operates smoothly and that each process receives the resources it needs to complete its work.

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The correct way for writing a JavaScript array is given in option C. var salaries = new Array(39438, 39839, 83729).

Explanation:

In JavaScript, arrays are objects used to store multiple values in a single variable. They can be created using various methods, but the most common way is by using the Array() constructor.

Option A is incorrect as it uses a colon instead of a comma to separate the values in the array, which is not valid syntax in JavaScript.

Option B is also incorrect as it uses an unconventional way of assigning values to the array by using equal and minus signs instead of commas.

Option D is also incorrect as it uses an invalid syntax to assign values to the array by using an equal sign after the Array() constructor and not using commas to separate the values.

Option C is the correct way to create an array in JavaScript, where the values are enclosed in parentheses and separated by commas within the Array() constructor. For example, the code "var salaries = new Array(39438, 39839, 83729);" creates an array called "salaries" with three values: 39438, 39839, and 83729.

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The output of the code is "$810".

The expression "$" + f + 10 is evaluated as follows:

' f ' is an integer with the value of 8, so f + 10 evaluates to 18.

The string "$" is concatenated with the result of f + 10, resulting in the string "$18".

The final result is printed to the console using the println method, so the output is "$810".

The output of the code is "15".

The code sets the value of ' e ' to ' 12 ' in the first line, then re-assigns it to ' 15 ' in the second line. The final value of ' e ' is ' 15 '.

In the third line, the value of ' e ' is printed to the console using the ' println ' method, so the output is "15".

The expression j *= i + 2 means to multiply j by the value of i + 2 and assign the result back to j. So in this case, j becomes j * (i + 2) = 10 * (7 + 2) = 10 * 9 = 90.

In the third line, the values of i and j are concatenated with a space in between and printed to the console using the println method, so the output is "7 29".

The program is an illustration of conditional statements.

Conditional statements are used to execute instructions, if and only if certain condition or conditions are met.

Take for instance: If b = 5, print "ab"

The above print statement will only be executed, if the value of b is 5

The paper-rock-scissor program in Python where comments are used to explain each line is as follows,  

#This imports the random module

import random

#This is used to control the repetition of the game

playagain ="T"

#The following is repeated until the user chooses not to play again

while(playagain == "T"):

   #This generates a random choice for the computer

   computer = random.choice(['Rock', 'Paper', 'Scissors'])

   #This gets input for the player

   player = input('Choose: ')

   #If the player and computer choose the selection

   if player == computer:

       #Then, it's a tie

       print('A tie - Both players chose '+player)

   #If the player wins

   elif (player.lower() == "Rock".lower() and computer.lower() == "Scissors".lower()) or (player.lower() == "Paper".lower() and computer.lower() == "Rock".lower()) or (player == "Scissors" and computer.lower() == "Paper".lower()):

       #This prints "player won" and the reason

       print('Player won! '+player +' beats '+computer)

   #If otherwise,

   else:

       #This prints "computer won" and the reason

       print('Computer won! '+computer+' beats '+player)

   #This asks if the player wants to play again

   playagain = input("Play again? T/F: ")

At the end of each round,

See attachment for sample run

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In a LEFT OUTER JOIN, all rows from the table on the left will be included and only matching rows from the table on the right will be included. However, any rows from the table on the right that do not have a matching row in the table on the left will also be included.

1.With a keyboard, a row is several keys going horizontally from the left-side to the right-side of the keyboard. Most keyboards have six rows of keys with the fingers resting on the home row. Other keyboard rows include the function keys, number keys, top row, bottom row, and spacebar row.

2. In a database, a row in a table is called records.

3. A row is several data banks (cells) laid out horizontally in a table or spreadsheet. For example, in the picture below, the row headers (row numbers) are numbered 1, 2, 3, 4, 5, etc. Row 16 is highlighted in red and cell D8 (on row 8) is the selected cell.

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Correct Answer:

c.

SELECT InvoiceNumber, VendorName

FROM Invoices JOIN Vendors ON Invoices.VendorID = Vendors.VendorID

WHERE InvoiceTotal IN (SELECT MAX(InvoiceTotal) FROM Invoices)

Explanation:

All options only differ on the WHERE clause:

a: WHERE InvoiceTotal = MAX(InvoiceTotal)

Fails because aggregate functions (like MAX, COUNT, etc) have to be used on the SELECT clause.

b: WHERE InvoiceTotal = (SELECT MAX(InvoiceTotal))

Fails because the SELECT clause is incomplete.

c: WHERE InvoiceTotal IN (SELECT MAX(InvoiceTotal) FROM Invoices)

This one is correct, and returns the InvoiceNumber and VendorName register with the largest value on the InvoiceTotal field.

Answer:

Explanation:

Good questions

I think Etsy

Answer: 1)Ingrese la URL del sitio web y podrá ver detalles como el nombre de la organización del propietario, el país de registro y la antigüedad del dominio
2)Como individuos, ser veraces significa que podemos crecer y madurar, aprendiendo de nuestros errores

Explanation:

Answer:

\\computername\admin$

Explanation:

Answer:

binary digits i.e. 0s and 1s

Answer:

get a better understanding of the problem

Explanation:

to be able to understand what it means and to be able to remember it in the future

Answer:

Explanation:

he ate food

Answer:

DHCP server

Explanation:

The minimum number of drives required for disk striping with distributed parity is three, with two drives for storing data and one drive for storing parity information. This configuration provides fault tolerance and data recovery capabilities in case of drive failure.

The minimum number of drives required for disk striping with distributed parity is three.

In disk striping with distributed parity, data is distributed across multiple drives (stripes), and parity information is also distributed across the drives to provide fault tolerance. The distributed parity helps in reconstructing data in case of drive failure.

For this technique to work, at least three drives are needed: two drives for storing data and one drive for storing parity information. The parity information is calculated and distributed across the drives in a way that allows for the recovery of data if one of the drives fails. This provides a level of data redundancy and fault tolerance in the disk storage system.

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Below is Python program that calculates the average award money per gold medal using two functions:

python

def calculate_average_award(total_award_money, gold_medals):

   """Calculates the average award money per gold medal"""

   return total_award_money / gold_medals

def main():

   """Main function to get user input and output the result"""

   gold_medals = int(input("Enter Gold Medals Won: "))

   total_award_money = float(input("How many dollars were you sponsored in total?: "))

   prize_money = float(input("Your prize money is: "))

   average_award_money = calculate_average_award(prize_money + total_award_money, gold_medals)

   print("Your average award money per gold medal was", round(average_award_money, 10))

if __name__ == "__main__":

   main()

Sample run:

yaml

Enter Gold Medals Won: 3

How many dollars were you sponsored in total?: 20000

Your prize money is: 245000

Your average award money per gold medal was 81666.6666666667

The calculate_average_award function takes two arguments, the total award money and the number of gold medals, and returns the average award money per gold medal.

The main function gets the user input for the number of gold medals, the total award money, and the prize money. It then calculates the total award money for all gold medals by adding the total award money and the prize money, and passes the values to the calculate_average_award function to get the average award money per gold medal.

Therefore, The program then outputs the result using the print function, rounding the value to 10 decimal places using the round function.

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A data analyst add descriptive header to column of data in a spreadsheet. By doing this, the data analyst is adding context to their data.

The term "spreadsheet" refers to a computer program that displays data in a two-dimensional grid along with formulas that link the data. An accounting ledger page that displays various quantitative data useful for managing a business is what a spreadsheet has traditionally been known as.

In the later 20th century, electronic spreadsheets took the place of paper ones. Spreadsheets, however, can be used for more than just financial data; they are frequently employed to represent and perform calculations on scientific data as well.

VisiCalc, created for the Apple II computer in 1979, was the first spreadsheet program. This application, which in some cases reduced a 20-hour per week bookkeeping task to a few minutes of data entry, served as the best example for many users of the practicality of personal computers for small businesses.

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Answer:

An Ethernet MAC address consists of a 48-bit binary value. Hexadecimal is used to identify an Ethernet address because a single hexadecimal digit represents 4 binary bits. Therefore, a 48-bit Ethernet MAC address can be expressed using only 12 hexadecimal values.

To change the owner of a case when it has been open for more than 7 days, an administrator on Cloud Kicks can complete the requirement by creating a Workflow Rule that automatically assigns the case to a different owner after 7 days have passed.

Here's how the administrator can create this Workflow Rule on Cloud Kicks:

1: Navigate to Workflow Rules

Go to Setup > Create > Workflow Rules. Click on the 'New Rule' button to create a new rule.

2: Choose Object

Select the object on which the rule is to be created. In this case, it's the 'Case' object. Click on the 'Next' button.

3: Set Rule Criteria

Set the rule criteria to "Case: Date/Time Opened greater than 7 days" to ensure that the rule only applies to cases that have been open for more than 7 days.

4: Add Workflow Action

Click on the 'Add Workflow Action' button and select 'New Field Update.'

5: Define Field Update

In the 'New Field Update' dialog box, define the field update as follows:Field to Update: OwnerID

New Owner: [Enter the name of the new owner here]

6: Save Field Update

Click on the 'Save' button to save the field update.

7: Activate Workflow Rule

Click on the 'Activate' button to activate the workflow rule. Once activated, the rule will automatically assign cases to a new owner after they have been open for more than 7 days.

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Answer:

16

Explanation:

answer =3+2

answer =5+3

return 8 × 2

16 will print to the console after running this code segment. Therefore, option B is correct.

A code segment, also known as a text segment or simply text, is a section of an object file or the program's virtual address space that contains executable instructions.

A character array segment that represents a text fragment. Even though the array is directly accessible, it should be treated as immutable. This allows for quick access to text fragments without the overhead of copying around characters.

In memory, the code segment functions normally as read-only memory and has a fixed size; thus, without the need for loading, it can generally be found in read-only memory (ROM) on embedded systems.

answer = 3+2, answer = 5+3

return 8 × 2

= 16

Thus, option B is correct.

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Installing the latest updates is the action that directly improves system security on a Windows workstation.

Installing the latest updates is crucial for improving system security on a Windows workstation. Updates often include patches for security vulnerabilities that have been identified, and failing to install updates can leave the system open to attacks. Therefore, it is important to ensure that updates are regularly installed, either manually or by enabling automatic updates.                                                                                                  Disabling automatic reboot on error can help prevent data loss in the event of a system crash, but it does not directly improve system security. Creating a password reset disk is a useful precautionary measure, but it does not directly improve system security. Similarly, creating regular restore points is helpful for recovering from system errors, but it does not directly improve system security. Therefore, of the given options, installing the latest updates is the action that directly improves system security on a Windows workstation.

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To avoid kadijah's geolocation being tracked and stored in a database, Khadijah should avoid using the following computing devices: (i) devices on a wired internet connection, (ii) devices on a wireless internet connection, and (iii) devices with a GPS receiver.

If Kadijah is concerned about her geolocation getting tracked and stored in a database, she should avoid using devices with a GPS receiver.

(i) devices on a wired internet connection,

(ii) devices on a wireless internet connection, and

(iii) devices with a GPS receiver.

These devices can track and store her geolocation, which she is concerned about.

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The Huffman tree is a binary tree used for data compression. To construct the tree, we start by assigning each symbol a node with its frequency. Then, we merge the two nodes with the lowest frequencies into a new node, summing their frequencies. We repeat this process until we have a single tree.

The resulting Huffman tree for this alphabet is:

         B + C + D + A + E
             /           \
        B + C + D       A + E
          /     \         /   \
        B + C    D      A     E
         /  \           /  \
       B    C         A    E

Now, let's assign codewords to each character based on their position in the tree:

A: 10
B: 00
C: 01
D: 11
E: 1

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Answer:

the answer is B the control unit

Answer:

Its B, D, and E

Explanation:

Hope this helps

Answer:

3/7

B

D

E

4/7

Just a page

5/7

B

C

6/7

Page

7/7

A

B

D

Answer:

Johann Carl Friedrich Gauss

Explanation: