Draw the ER diagram of student information system of the following entities: Student,Exam, Record
Answer:
The Student entity would likely be at the center of the ER diagram, as it is the main entity in this system. The Exam entity would be linked to the Student entity with a one-to-many relationship, as each student can take multiple exams. The Record entity would also be linked to the Student entity with a one-to-many relationship, as each student can have multiple records (e.g. academic records, attendance records, etc.).
The Exam entity and the Record entity may also be linked to each other with a one-to-one relationship, as each record may correspond to a specific exam. However, this would depend on the specific requirements of the student information system being modeled.
Explanation:
1.9 zylab training basics
Below is the code written as Python script for interleaved input/output.
Write a Python script for interleaved input/output?
import sys
print("Enter your name: ")
sys.stdout.flush()
name = sys.stdin.readline().strip()
print("Enter your age: ")
sys.stdout.flush()
age = sys.stdin.readline().strip()
print(f"Hello, {name}! You are {age} years old.")
In this script, we use the sys module to interact with the input and output streams of the program. We first print a message to the console asking the user to enter their name, and then use sys.stdout.flush() to ensure that the message is immediately visible to the user. We then read a line of input from sys.stdin, strip any whitespace from the beginning or end of the string, and assign it to the variable name.
We then repeat the same process to ask the user for their age, and store the result in the variable age. Finally, we print a message to the console using an f-string that incorporates the values of name and age.
This script demonstrates how input and output can be interleaved in a console-based program. The program prompts the user for input, reads the input from the console, and then displays output based on the input provided.
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Codehs decreasing resolution 8.9.4 can someone help me out with this code making this image in a 10x10 pixel grid.
I can provide you with pseudocode to draw the described image on a 10x10 pixel grid.
Write pseudocode for drawing 10x10 pixel grid?
set all pixels to white
draw a black square from (2,2) to (7,7)
draw a black line from (1,1) to (8,8)
draw a black line from (1,8) to (8,1)
Now, let's move on to the questions:
Since the compressed version is not defined, I cannot determine how many fewer pixels it uses or the compression rate.The compresses version is not defined, so I cannot determine if it is recognizable or close enough to the original image.The features of an image that are most visually affected by decreasing the resolution are its details, edges, and fine textures. When the resolution is lowered, these features become more blurry and less distinct, making it more difficult to recognize the image or its components.To learn more about pseudocode, visit: https://brainly.com/question/24953880
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What kind of functional dependency table is this? I am thinking 1NF because I saw 2NF in the bottom, but I might be wrong. Please let me know.
The given table suggests that it is in the first normal form (1NF), as there are no recurring groups and atomic values in each column. However judging just by the table, it's unclear if it falls within the 2NF or higher range.
How do you know whether a table is 1NF, 2NF, or 3NF?A relation is in 1NF if it has an atomic value. A relation will be in 2NF if it is in 1NF and all non-key attributes are fully functioning reliant on the primary key.
What is normalisation? What does 1st, 2nd, and 3rd NF mean?The fundamental normal forms used in database normalisation are the first, second, and third normal forms: Each attribute in the connection is atomic, according to the relation's first normal form (1NF). Non-prime qualities must be functionally reliant on the entire candidate key, according to the second normal form (2NF).
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What file name do you use to save your site map?
A. site_map.xml
B. site map.html
C. sitemap.xml
D. document.html
E. document.xml
Answer:
c
Explanation:
Reflect on what you think are the biggest threats posed by a world that increasingly relies on digital data. Almost every aspect of modern life is dependent on computers and the data they process working correctly. From energy to transportation, from banking to commerce, and from health care to food production, computers play a significant part of the process of delivering those services.
What are some of the things that ordinary people can and should do to protect themselves from network attackers?
What are the responsibilities of those that deliver these vital services and what can they do to ensure these services are safe?
Instructions:
Write a post of at least 5 sentences outlining your answers to the above questions about threats to a digital world. Are there things you should be doing differently to protect yourself and others from digital disaster?
As the world becomes increasingly reliant on digital data, there are several threats that pose significant risks to individuals and society as a whole. One of the biggest threats is cybercrime, including hacking, identity theft, and other malicious activities that can compromise personal information and financial security.
What is the use of computers about?The growing interconnectedness of digital networks also makes them vulnerable to cyber attacks that could disrupt critical infrastructure and public services.
To protect themselves from network attackers, ordinary people should take steps such as using strong passwords, keeping software up-to-date, and being cautious about sharing personal information online. It's also important to be aware of common scams and phishing attempts and to avoid clicking on suspicious links or downloading unknown attachments.
Therefore, Those who deliver vital digital services have a responsibility to ensure the security of their systems and data. This includes implementing robust security measures, conducting regular vulnerability assessments and risk management, and investing in employee training and awareness programs to help prevent insider threats.
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Naomi is formatting a document in a word processor. She wants the section headings in her document to stand out. She changes the font type and size of one heading and also makes it bold. She wants to copy this formatting style to all other headings in the document. What should she do?
A.
cut the heading and paste it as many times as required to create other headings
B.
copy the formatting style of the heading and apply it to the other headings
C.
copy the heading and paste it as many times as required to create other headings
D.
individually format each of the other headings in the same way
Naomi should copy the formatting style of the heading and apply it to the other headings in the document. This can be done by using the "Format Painter" tool in the word processor.
What is Word Processor?
A word processor is a software application used for creating, editing, and formatting text documents, such as letters, reports, and essays.
Thus, the steps to do this are:
Select the heading that has the desired formatting style.Click on the "Format Painter" tool in the toolbar. This will copy the formatting style of the selected text.Select the other headings in the document that need to be formatted in the same way.The selected headings will now have the same font type, size, and bold formatting as the original heading.Learn more about Word Processor:
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Draw a state process model with two (2) suspend states and fully discuss the
transition of processes from one state to the next by OS
The several states that a process could be in over its lifetime can be represented using a state process model. A process can be in one of the states of running, ready, blocked, or suspend under this model.
What two states are there in the two state process model?A two-state model, which has just the two states listed below, is the simplest model for the process state. Currently running state: A state in which the process is active.
Process State Transition Diagram: What Is It?A process that is active is often in one of the five states shown in the diagram. The arrows depict the process's state transitions. If a process is assigned to a CPU, it is considered to be operating.
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USE SQL PROGRAMMING
List the departments that are doing a terrible job of responding to human resources complaints in a timely manner.
Prepare a query that does the following:
1) Query that counts the total number of human resources complaints
2) The quantity of untimely responses
3) Percentage of untimely responses by each department
Use the formula : (untimely responses/ total number of human resources complaints)
4) Display the departments that had at least 150 complaints
5) Show the department that had the highest percentage of untimely responses. Return the department name and percentage of untimely responses.
Answer:
Im going to suppose there are two tables named 'complaints' and 'departments' that have their own relevant columns. With that in mind here is an example SQL Query.
SQL Query
SELECT
Divisions.divisions_name,
COUNT(complaints.complaint_id) AS total_complaints,
SUM(CASE WHEN complaints.response_time > '24 hours' THEN 1 ELSE 0 END) AS untimely_responses,
(SUM(CASE WHEN complaints.response_time > '24 hours' THEN 1 ELSE 0 END) / COUNT(complaints.complaint_id)) * 100 AS percentage_untimely
FROM
complaints
JOIN
divisions ON complaints.division_id = divisions.division_id
GROUP BY
divisions.division_name
HAVING
COUNT(complaints.complaint_id) >= 150
ORDER BY
percentage_untimely DESC
LIMIT 1;
Explanation
The first line of the SELECT statement retrieves the department name from the "departments" table.The COUNT function is used to count the total number of human resources complaints.The SUM and CASE statements are used to count the number of untimely responses (response time > 24 hours) for each department.The percentage of untimely responses for each department is calculated using the formula provided in the question.The query groups the results by department name and filters out any departments that have fewer than 150 complaints.The results are sorted in descending order by the percentage of untimely responses and the department with the highest percentage is returned using the LIMIT clause.Note: This query example assumes that the "response time" column in the "complaints" table has values like "24 hours" that show the length of time. Also, you may need to change the names of the columns or tables to fit your database.
Improve the program so that only 1, 2, and 3 are accepted as valid choices. Make line 24 check for a choice of 3 before printing the message on line 25. Then add a trailing else that prints a descriptive error message whenever anything other than 1, 2, or 3 is entered.
Adding an if-elif-else statement to add a proper input check. before printing the message on line 25, add a check for option 3. To produce an error message for any input other than 1, 2, or 3, add an else .
In Python, how do you add an Elif statement?If other is omitted and all the claims are untrue, none of the blocks would run. Here's an illustration: If 51 and 5, print ("False, statement skipped") if 05 then print ("true, block executed") if 0 3 then print ("true, but block will not execute") if not: print ("If all fails.")
print("Choose a number:")
print("1 for option 1")
print("2 for option 2")
print("3 for option 3")
choice = input()
if choice == "1":
print("You chose option 1")
elif choice == "2":
print("You chose option 2")
elif choice == "3":
print("You chose option 3")
print("This is the best choice!")
else:
print("Invalid choice. Please enter 1, 2, or 3.")
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Using Coral Pseudocode, design the logic for a program that uses arrays based on the following scenario:
Trainers at Coyote Athletic Club are encouraged to enroll new members. Write an application that allows the owner Wile E. Coyote to enter the number of new members each trainer has enrolled this year. The number of trainers will vary each year so make sure you enable it to allow Wile to select how many trainers he has before entering the number of members enrolled for each trainer in an array. Add up all the members that fall within the correct range into an array before outputting the totals.
0 - 5 members
6 - 12 members
13 - 20 members
More than 20 members
Example Input for Trainers
Value Entered for Number of Trainers: 10
Values Entered Member Enrolled: 2 13 7 13 20 0 15 21 5 25
Answer:
Coral Pseudocode:
1. Start
2. Declare variables:
- numTrainers: integer
- trainers: array of integers
- range1: integer
- range2: integer
- range3: integer
- range4: integer
3. Prompt the user to enter the number of trainers
4. Read and store the value in numTrainers
5. Initialize the ranges to 0
6. For i = 1 to numTrainers do the following:
a. Prompt the user to enter the number of members enrolled by trainer i
b. Read and store the value in trainers[i]
c. If trainers[i] is between 0 and 5, add 1 to range1
d. If trainers[i] is between 6 and 12, add 1 to range2
e. If trainers[i] is between 13 and 20, add 1 to range3
f. If trainers[i] is greater than 20, add 1 to range4
7. Store the range values in an array
8. Output the range values
9. End
Explanation:
The above Coral Pseudocode outlines the logic for a program that allows the owner of Coyote Athletic Club to enter the number of new members each trainer has enrolled this year. The program prompts the user to enter the number of trainers and the number of members enrolled by each trainer. It then checks the number of members enrolled by each trainer and adds it to the appropriate range. Finally, it stores the range values in an array and outputs the range values.
The program uses an array to store the number of members enrolled by each trainer. It also uses four variables to store the number of members that fall within each range. The program uses a for loop to iterate through each trainer and check the number of members enrolled by each trainer. If the number of members enrolled by a trainer falls within a particular range, the program adds 1 to the corresponding range variable.
After the program has checked the number of members enrolled by each trainer, it stores the range values in an array. Finally, the program outputs the range values.
The Example of the Output based on the given input is:
csharp
Total members with 0-5 members: 27
Total members with 6-12 members: 43
Total members with 13-20 members: 48
What is the PseudocodeThe Coral Pseudocode to design the logic for the program is given below:
vbnet
Algorithm: CalculateNewMemberTotals
// Step 1: Input the number of trainers
Input "Enter the number of trainers: " numTrainers
// Step 2: Initialize arrays to store the member totals for each range
Declare Array memberTotals[3]
memberTotals[0] = 0 // 0 - 5 members
memberTotals[1] = 0 // 6 - 12 members
memberTotals[2] = 0 // 13 - 20 members
// Step 3: Loop through each trainer to input the number of members enrolled
For i = 1 to numTrainers
Input "Enter the number of members enrolled for trainer " + i + ": " membersEnrolled
// Step 4: Check which range the members fall into and add to the corresponding total
If membersEnrolled >= 0 AND membersEnrolled <= 5 Then
memberTotals[0] = memberTotals[0] + membersEnrolled
Else If membersEnrolled >= 6 AND membersEnrolled <= 12 Then
memberTotals[1] = memberTotals[1] + membersEnrolled
Else If membersEnrolled >= 13 AND membersEnrolled <= 20 Then
memberTotals[2] = memberTotals[2] + membersEnrolled
End If
End For
// Step 5: Output the total members in each range
Output "Total members with 0-5 members: " + memberTotals[0]
Output "Total members with 6-12 members: " + memberTotals[1]
Output "Total members with 13-20 members: " + memberTotals[2]
End Algorithm
The Example Input for Trainers (using the provided values):
mathematica
Enter the number of trainers: 10
Enter the number of members enrolled for trainer 1: 2
Enter the number of members enrolled for trainer 2: 13
Enter the number of members enrolled for trainer 3: 7
Enter the number of members enrolled for trainer 4: 13
Enter the number of members enrolled for trainer 5: 20
Enter the number of members enrolled for trainer 6: 0
Enter the number of members enrolled for trainer 7: 15
Enter the number of members enrolled for trainer 8: 21
Enter the number of members enrolled for trainer 9: 5
Enter the number of members enrolled for trainer 10: 25
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What is a System. Computer
Answer:
A computer system is a set of integrated devices that input, output, process, and store data and information. Computer systems are currently built around at least one digital processing device. There are five main hardware components in a computer system: Input, Processing, Storage, Output and Communication devices.
b. Debug the following program
CLS
REM reversing a word
INPUT "Enter a word"; W$
FOR P= LEN (W$) TO 1
E$ = MID (W$, 1, P)
R$ = E$ + R$
NEXT P
PRINT "Reverse word is "; E$
END
Explanation:
There are several issues with the program that prevent it from correctly reversing a word. Here is a corrected version of the code with comments explaining the changes:
CLS
REM reversing a word
INPUT "Enter a word"; W$
R$ = "" REM Initialize R$ to an empty string
FOR P = LEN(W$) TO 1 STEP -1 REM Use STEP -1 to iterate backwards
E$ = MID(W$, P, 1) REM Get the character at position P
R$ = R$ + E$ REM Add the character to the end of R$
NEXT P
PRINT "Reverse word is "; R$ REM Print R$, not E$
END
Here are the changes that were made:
Initialize R$ to an empty string before the loop, since we want to build the reversed word from scratch.
Use STEP -1 to iterate backwards through the characters of the word, starting from LEN(W$) and ending at 1.
Get the character at position P using MID(W$, P, 1) instead of MID(W$, 1, P), which was incorrect. We want to get the character at the current position, not the first P characters of the string.
Add the character E$ to the end of R$ using the concatenation operator +.
Print R$ instead of E$ to display the reversed word.
With these changes, the program should correctly reverse the input word.
What does filtering a record do?
A.) It suppress some records and shows others.
B.) It removes records from the document permanently.
C.) It sorts all the data in the record.
D.) It arranges all the information in one column.
Answer:
A) It suppresses some records and shows others.
Explanation:
This is in Python. Write a program using integers user_num and x as input, and output user_num divided by x three times.
Answer:
user_num = int(input("Enter a number: "))
x = int(input("Enter another number: "))
result = user_num / x
print(result)
result = user_num / x
print(result)
result = user_num / x
print(result)
Codehs decreasing resolution 8.9.4
With CodeHS, you can use the setImageURL() method to set the width and height attributes of a picture to the desired values in order to reduce its resolution.
How can I lower an image's resolution in HTML?Using the height and width attributes on the img tag is one of the easiest ways to resize an image in HTML. These numbers define the image element's height and width. The values are entered in pixels, or px, in CSS.
How can you adjust an image's resolution in Javascript?
CreateElement("canvas"); var ctx = canvas. getContext("2d"); / Real resizing of ctx. drawImage(img, 0, 0, 300, 300); / Display resized picture in preview element var dataurl = canvas. / Dynamically build a canvas element.
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A directional flow of electrical charge through an object or medium:
Answer:
The directional flow of electrical charge through an object or medium is called electric current.
Explanation:
stuff = []
stuff.append(1.0)
stuff.append(2.0)
stuff.append(3.0)
stuff.append(4.0)
stuff.append(5.0)
print(stuff)
3. What data type are the elements in stuff?
4. What is the output for print(len(stuff))?
5. What is the output for print(stuff[0])?
Answer:
Explanation:
The given code snippet defines an empty list named "stuff", then appends five float values to it, and finally prints the content of the list. Here are the answers to the questions:
3. The elements in "stuff" are floating-point numbers, specifically 1.0, 2.0, 3.0, 4.0, and 5.0.
4. The output for "print(len(stuff))" would be 5, because the length of the list "stuff" is 5 (i.e., it has five elements).
5.The output for "print(stuff[0])" would be 1.0, because the first element of the list "stuff" (i.e., the element with index 0) is 1.0.
Select the correct answer.
Reuben is formatting text to add to a web page on the website of the National Aeronautics and Space Administration (NASA). Look at the image.
What is one modification to the text formatting that Reuben should make to increase the text's readability?
Could Future Homes on the Moon and Mars Be Made of Fungi?
Science fiction often imagines our future on Mars and other planets as run by machines,
with metallic cities and flying cars rising above dunes of red sand. But the reality may be
even stranger - and "greener." Instead of habitats made of metal and glass, NASA is
exploring technologies that could grow structures out of fungi to become our future
homes in the stars, and perhaps lead to more sustainable ways of living on Earth as well.
The myco-architecture project out of NASA's Ames Research Center in California's
Silicon Valley is prototyping technologies that could "grow" habitats on the Moon, Mars
and beyond out of life-specifically, fungi and the unseen underground threads that
make up the main part of the fungus, known as mycelia.
Read more about this project here.
A. Use smaller font for the heading than for the body text.
B. Use bold to emphasize all the body text.
C.Use a different font size for the heading and body text.
D.Use a consistent type of font for all the text
And then the picture is a different question. Please hurry it’s timed and I haven’t slept it’s 1:20 am.
The readability of the text can be improved by using various font sizes for the heading and body text. The reader's attention can be drawn to the primary subject of the text by making the heading larger than the body.
What impact does font size have on legibility?Larger font sizes, such 18-26 pt, help enhance readability overall when reading from the screen, and this is particularly true for persons with dyslexia or people with a lower level of visual impairments, per a study by Rello et al. (2016). (W3C, 2018).
How can I make my font easier to read?Boost line height to make text easier to read. A little increased line-height (for example, 1.2 to 1.6) can stop rising and descending characters from "crashing"
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This is python, how can i get the output on one line?
Answer: Your welcome!
Explanation:
You can use the print() function and separate each statement with a comma (,). For instance, print('Hello', 'World') will output 'Hello World' on one line.
What kind of dependencies is the following image?
C4 C1,C3 represents a transitive dependency, because C4 is functionally dependent on C3.
What is transitive dependency?Transitive dependency is a type of dependency that exists between three different objects. It occurs when changes to one object affect a second object, which in turn affects a third object. This type of dependency can be seen in databases, software, and programming languages. In databases, transitive dependency occurs when a change to a primary key affects a foreign key, which in turn affects a second foreign key. In software and programming languages, transitive dependency occurs when a code change affects a library, which in turn affects a program. Transitive dependency is an important concept to understand when developing software, as it can have a significant impact on the overall performance of a system.
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Why is it necessary for you to know your rights as an employee?
Answer:
It is necessary for employees to know their rights in the workplace in order to protect themselves from any potential abuse or mistreatment from their employers. By being aware of their rights, employees can ensure that they are being treated fairly and can take action if their rights are being violated. Knowing their rights can also help employees to negotiate better salaries and benefits, and to understand the terms of their employment contracts. In some cases, knowing their rights may even help employees to avoid workplace discrimination or harassment. Overall, knowing their rights is an important step towards maintaining a safe and fair work environment.
Explanation:
Short note on different types of printer.
There are several different types of printers available, each with its own advantages and disadvantages. Some of the most common types of printers include:
Inkjet printers: These printers work by spraying tiny droplets of ink onto paper. They are known for producing high-quality color prints and are generally more affordable than other types of printers. However, the cost of ink cartridges can add up over time.
Laser printers: Laser printers use toner to produce sharp, high-quality prints. They are generally faster than inkjet printers and are better suited for printing large volumes of documents. However, they tend to be more expensive than inkjet printers.
Thermal printers: Thermal printers use heat to transfer ink onto paper. They are commonly used for printing receipts and shipping labels and are known for their speed and durability. However, they are not well suited for printing high-quality images or graphics.
3D printers: 3D printers are a relatively new type of printer that can create three-dimensional objects by laying down successive layers of material. They are commonly used in manufacturing and prototyping and are becoming more affordable and accessible to consumers.
Multifunction printers: Multifunction printers combine the functions of a printer, scanner, copier, and sometimes a fax machine in a single device. They are convenient for home or small office use, but their performance may not be as good as standalone devices.
These are just a few examples of the different types of printers available. When choosing a printer, it's important to consider factors such as print quality, speed, cost, and the type of documents or materials you will be printing.
Arithmetic Instructions: Activity: Display Sum of 3 numbers (Assembly Code)
Read 3 numbers then display their sum. Sum should not be greater than 9
Sample
Input
4+1+2
Output
7
Enter three single-digit integers, separated by +, when prompted, for example, 4+1+2. If the total is less than or equal to 9, the software will display it; if not, it will leave. The result in this instance will be Sum is: 7.
What is R for sum = (sum * 10)+?We can apply the equation sum=(sum*10)+r to determine a number's inverse. The phrase means that we multiply each integer by 10 in order to change the number's location. This is similar to the topics covered in lower-level classes.
Display the prompt message with the following command: _start: mov eax, 4; system call for writing to stdout using the following command: mov ebx, 1; mov ecx, prompt; Address of the prompt message is mov edx, prompt len, and the length is int 0x80.
Read the first number.
System call for reading from stdin: mov eax, 3; mov ebx, 0; File descriptor for mov ecx, num1 from the stdin; Address for input storage: mov edx, 1; Integer 0x80 maximum amount of characters to read
Read second number as follows: mov eax, mov bx, mov cx, num2 dx, int 0x80.
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When selected, the underscore in the Input Mask Wizard is considered a _____
Answer:
In the Input Mask Wizard, when selected, the underscore symbol represents a placeholder for a single character entry. It is considered a wildcard character that matches any valid character that can be entered in that position in the input.
Explanation:
Which of these statements are true? Select 2 options.
A. The new line character is "\newline".
B. In a single program, you can read from one file and write to another.
C. Python can only be used with files having ".py" as an extension.
D. If you open a file in append mode, the program halts with an error if the file named does not exist.
E. If you open a file in append mode, Python creates a new file if the file named does not exist.
The appropriate choices are This is accurate; if you open a file in append mode and it doesn't exist, Python generates a new file with that name. You can also read from one file and write to another in a single programme.
Can a file be read in add mode?The pointer is added at the end of the file as information is added using the append mode. In the event that a file is missing, add mode generates it. The fundamental difference between the write and append modes is that an append operation doesn't change a file's contents.
Which of the following moves the file pointer to the file's beginning?The file pointer is moved to the file's beginning using the ios::beg function.
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The discovery of electronically stored information has become an important subdiscipline in law and technology. What is this subdiscipline called?
Question 3 options:
Redacting
Transborder Data Flows
Electronic Discovery
Data Retention Program
Question 4 (2 points)
What type of data does this describe, "Information from which the direct identifiers have been eliminated. Indirect identifiers remain intact"?
Question 4 options:
Pseudonymous data
Anonymous data
De-identified data
Redacted data
Answer:
Answer to Question 3:
The answer to question 3 is "Electronic Discovery". The term "Electronic Discovery" (also known as e-discovery) refers to the process of identifying, collecting, preserving, reviewing, and producing electronically stored information (ESI) in response to a legal request or investigation. E-discovery has become an important subdiscipline in law and technology due to the increasing use of digital devices and the internet to create, store, and transmit information. E-discovery specialists and software tools are often used by legal teams to help manage and analyze large volumes of ESI in a cost-effective and efficient manner.
Answer to Question 4:
The answer to question 4 is "De-identified data". De-identified data refers to data that has been stripped of direct identifiers (such as name, address, phone number, social security number, etc.) that could be used to identify an individual. However, indirect identifiers (such as age, gender, occupation, zip code, etc.) may still be present in the data, which could potentially be used to re-identify an individual. De-identified data is often used in research studies and other contexts where the privacy of individuals needs to be protected while still allowing analysis of the data. By removing direct identifiers, the risk of re-identification is greatly reduced, although it is still possible if the indirect identifiers are combined with other available information.
what are the types of system software
Answer:
Operating systems: An operating system (OS) is a program that manages the computer's hardware and software resources, and provides a user interface for interacting with the computer.
Device drivers: Device drivers are programs that allow the computer's operating system to communicate with hardware devices, such as printers, scanners, and network adapters.
Firmware: Firmware is a type of software that is embedded in hardware devices, such as printers and routers. It provides the low-level instructions that enable the device to function.
Utility programs: Utility programs are tools that help to maintain and optimize the computer's performance, such as disk defragmenters, antivirus programs, and backup utilities.
Programming language translators: Programming language translators, such as compilers and interpreters, convert high-level programming languages into machine language that can be executed by the computer.
These types of system software work together to manage the computer's resources and provide a stable and efficient computing environment.
Explanation:
Answer: 1. Operating Software
OS or operating software is considered as one of the essential system software on the computer. And nowadays, many companies create operating software and optimize them.
2. Utility Software
Utility software is the system software type that has a variety of programs to apply across the applications. The most common utility software are troubleshooting and diagnostic tools or software available in the complete.
3. Device Drivers
Device drivers or driver software is used to connect the peripheral and other similar devices. Keyboards, mouse and similar devices get connected with the computer using device drivers.
4. Firmware
Firmware is the type of system software that is already present in the Ram, ROM, EPROM, and other chips so that the operating system can identify those.
5. Programming Language Translator
These are the software that is used by the programmers so that they can translate high-level language into machine language. C++, Python, and PHP are some of the programming languages used to program the codes.
Explanation: These are types with examples if you want you can just write the types you want
Beverly sells donuts at the local bakery. Donuts cost $.50 each unless customers buy a dozen or more. When customers buy at least a dozen they cost $.40 each. Beverly earns a commission based on her sales performance. Because the bakery makes so much money on beverages, she earns 10% commission (based on the total sale) when a customer buys a drink. She also earns commission on her sales. She earns 2% on each sale that totals more than $10. She earns 1% commission on each sale that totals more than $5 (but less than $10). She does not earncommission on each sale that totals $5 or less (though she will earn the beverage commission). Complete the tablebelow to help Beverly calculate her commission based on the 50 customers she helped this morning.
Please show formulas, thanks!
Answer:
| # of Donuts | Cost of Donuts | Cost of Beverages | Total Sale | Commission |
|-------------|----------------|------------------|------------|------------|
| 1 | $0.50 | $2.00 | $2.50 | 0.00 |
| 6 | $3.00 | $2.00 | $5.00 | 0.00 |
| 12 | $4.80 | $2.00 | $6.80 | 0.68 |
| 18 | $7.20 | $2.00 | $9.20 | 0.92 |
| 24 | $9.60 | $2.00 | $11.60 | 1.16 |
| 30 | $12.00 | $2.00 | $14.00 | 1.40 |
| Total | | | $49.10 | $4.16 |
To calculate the cost of donuts, we can use the following formula:
Cost of donuts = (# of donuts x cost per donut)
To calculate the total sale, we can use the following formula:
Total sale = (cost of donuts + cost of beverages)
To calculate the commission, we can use the following formulas:
Commission for sales over $10 = (total sale x 2%)
Commission for sales over $5 (but less than $10) = (total sale x 1%)
Commission for beverages = (cost of beverages x 10%)
Total commission = (commission for sales over $10 + commission for sales over $5 + commission for beverages)
Consider this list of numbers: 9 3 6 8 4 7. Why are they not suitable for a binary search?
The proved list of numbers is not suitable for a binary search because the list is not sorted in ascending order.
Binary search is an efficient algorithm for finding an item from a sorted list of items. It works by repeatedly dividing in half the portion of the list that could contain the item, until you've narrowed down the possible locations to just one.