when the program starts, it should read the contacts from the csv file. write functions which will display a menu and list all contacts and view or add a specific contact (see example code).
Answers
To accomplish the task of reading the contacts from the CSV file, displaying the menu, listing all contacts, and viewing/adding a specific contact, we need to write the following functions: read_contacts_from_csv(), display_menu(), list_all_contacts(), and view_add_specific_contact().
The read_contacts_from_csv() function will be responsible for reading the CSV file containing the contacts and returning a list of dictionaries, where each dictionary represents a contact. We can use the csv module in Python to read the CSV file and convert the data into a list of dictionaries.
The display_menu() function will print out the options available to the user, such as "List all contacts", "View a specific contact", "Add a new contact", and "Exit".
The list_all_contacts() function will be called when the user selects the "List all contacts" option from the menu. This function will loop through the list of contacts and print out each contact's details.
The view_add_specific_contact() function will be called when the user selects the "View a specific contact" or "Add a new contact" option from the menu. This function will prompt the user to enter a contact's name or details, and then either display the contact's details or add a new contact to the list.
By implementing these functions, we can create a program that can read contacts from a CSV file, display a menu with options for the user, list all contacts, and view or add a specific contact. This program will be useful for managing a list of contacts and making it easy to access the necessary details.
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Related Questions
Write a program that takes a date as input and outputs the date's season in the northern hemisphere. The input is a string to represent the month and an int to represent the day. Note: End with a newline.
Answers
A program that takes a date as input and outputs the date's season in the northern hemisphere will bear this order
cout << "Winter"
cout << "Spring"
cout << "Summer"
cout << "Autumn"
Complete Code below.
A program that takes a date as input and outputs the date's season in the northern hemisphereGenerally, The dates for each season in the northern hemisphere are:
Spring: March 20 - June 20Summer: June 21 - September 21Autumn: September 22 - December 20Winter: December 21 - March 19And are to be taken into consideration whilst writing the code
Hence
int main() {
string mth;
int dy;
cin >> mth >> dy;
if ((mth == "January" && dy >= 1 && dy <= 31) || (mth == "February" && dy >= 1 && dy <= 29) || (mth == "March" && dy >= 1 && dy <= 19) || (mth == "December" && dy >= 21 && dy <= 30))
cout << "Winter" ;
else if ((mth == "April" && dy >= 1 && dy <= 30) || (mth == "May" && dy >= 1 && dy <= 30) || (mth == "March" && dy >= 20 && dy <= 31) || (mth == "June" && dy >= 1 && dy <= 20))
cout << "Spring" ;
else if ((mth == "July" && dy >= 1 && dy <= 31) || (mth == "August" && dy >= 1 && dy <= 31) || (mth == "June" && dy >= 21 && dy <= 30) || (mth == "September" && dy >= 1 && dy <= 21))
cout << "Summer" ;
else if ((mth == "October" && dy >= 1 && dy <= 31) || (mth == "November" && dy >= 1 && dy <= 30) || (mth == "September" && dy >= 22 && dy <= 30) || (mth == "December" && dy >= 0 && dy <= 20))
cout << "Autumn" ;
else
cout << "Invalid" ;
return 0;
}
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____ is a measure of how much each resource is contributing to the overall operation of the system.
Answers
Resource utilization is a measure of how much each resource is contributing to the overall operation of the system.
It refers to the extent to which a particular resource is being utilized to perform the necessary tasks and activities in a system. This measure is important in assessing the efficiency and effectiveness of a system, as it helps to identify which resources are being utilized optimally and which ones may be underutilized or overutilized. By tracking resource utilization, managers can identify areas where improvements can be made, such as reallocating resources or investing in additional resources to improve overall performance. Ultimately, resource utilization is a critical metric for any organization seeking to optimize its operations and maximize its productivity.
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What is the purpose of a web server? What is the purpose of a web browser?
Answers
Answer: the purpose of a web browser is to help answer and needed questions, and to get to sites.
Explanation:
Implement the frame replacement algorithm for virtual memory
For this task, you need to perform the simulation of page replacement algorithms. Create a Java program which allows the user to specify:
the total of frames currently exist in memory (F),
the total of page requests (N) to be processed,
the list or sequence of N page requests involved,
For example, if N is 10, user must input a list of 10 values (ranging between 0 to TP-1) as the request sequence.
Optionally you may also get additional input,
the total of pages (TP)
This input is optional for your program/work. It only be used to verify that each of the page number given in the request list is valid or invalid. Valid page number should be within the range 0, .. , TP-1. Page number outside the range is invalid.
Then use the input data to calculate the number of page faults produced by each of the following page replacement algorithms:
First-in-first-out (FIFO) – the candidate that is the first one that entered a frame
Least-recently-used (LRU) –the candidate that is the least referred / demanded
Optimal – the candidate is based on future reference where the page will be the least immediately referred / demanded.
Answers
To implement the frame replacement algorithm for virtual memory, you can create a Java program that allows the user to specify the total number of frames in memory (F), the total number of page requests (N), and the sequence of page requests.
Optionally, you can also ask for the total number of pages (TP) to validate the page numbers in the request list. Using this input data, you can calculate the number of page faults for each of the three page replacement algorithms: First-in-first-out (FIFO), Least-recently-used (LRU), and Optimal.
To implement the frame replacement algorithm, you can start by taking input from the user for the total number of frames (F), the total number of page requests (N), and the sequence of page requests. Optionally, you can also ask for the total number of pages (TP) to validate the page numbers in the request list.
Next, you can implement the FIFO algorithm by maintaining a queue to track the order in which the pages are loaded into the frames. Whenever a page fault occurs, i.e., a requested page is not present in any frame, you can remove the page at the front of the queue and load the new page at the rear.
For the LRU algorithm, you can use a data structure, such as a linked list or a priority queue, to keep track of the most recently used pages. Whenever a page fault occurs, you can remove the least recently used page from the data structure and load the new page.
For the Optimal algorithm, you need to predict the future references of the pages. This can be done by analyzing the remaining page requests in the sequence. Whenever a page fault occurs, you can replace the page that will be referenced farthest in the future.
After processing all the page requests, you can calculate and display the number of page faults for each algorithm. The page fault occurs when a requested page is not present in any of the frames and needs to be loaded from the disk into memory.
By implementing these steps, you can simulate the frame replacement algorithm for virtual memory using the FIFO, LRU, and Optimal page replacement algorithms in your Java program.
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which of these describe raw data?check all of the boxes that apply A) what a person buys B) where a person lives C) data that has been analyzed D) data that has not been analyzed
Answers
1. An auto repair shop charges as follows. Inspecting the vehicle costs $75. If no work needs to be done,
there is no further charge. Otherwise, the charge is $75 per hour for labour plus the cost of parts, with a
minimum charge of S120. If any work is done, there is no charge for inspecting the vehicle. Write a program
to read values for hours worked and cost of parts (cither of which could be 0) and print the charge for the job.
Answers
Answer:
charge = 0
hours_worked = int(input("Enter the hours worked: "))
cost_of_parts = float(input("Enter the cost of parts: "))
if hours_worked == 0:
charge = 75
else:
charge = 120 + (75 * hours_worked) + cost_of_parts
print("The charge is $" + str(charge))
Explanation:
*The code is in Python.
Initialize the charge as 0
Ask the user to enter the hours_worked and cost_of_parts
Check the hours_worked. If it is 0, that means there is no inspecting. Set the charge to 75
Otherwise, (That means there is an inspecting) set the charge to 120, minimum charge, + (hours_worked * 75) + cost_of_parts
Print the charge
if the wide area network (wan) is supporting converged applications like voice over internet protocol (voip), which of the following becomes even more essential to the assurance of the network? a. boundary routing b. classless inter-domain routing (cidr) c. internet protocol (ip) routing lookups d. deterministic routing
Answers
if the wide area network (wan) is supporting converged applications like voice over internet protocol (voip) internet protocol (ip) routing lookups will be even more essential to the assurance of the network.
Understanding WAN
WAN stands for Wide Area Network is a network that is used as a network that connects between local networks. Local computer networks are not only physically adjacent to each other, but share the same group of IP addresses.
The local network can be one room, one office or even one city. While the WAN itself is a network that connects these local networks within a city, province or even between countries. The difference between WAN and LAN networks is in the type of media used. Generally local networks or LANs use similar network media.
While the WAN is connected to devices with different transmission media and protocols. The WAN coverage area is also very wide, but unites the network as if it were in one room. WAN networks have lower data transfer rates than local networks or LANs. WAN network technology relies on companies providing long-distance telecommunications services. WAN networks use many kinds of network technologies with a mix of analog and digital signals for data transmission. Of course this is different from a local network or LAN which uses a connection between computers that are physically connected to each other with the same protocol and transmission media. The components in the WAN and their functions will be discussed later.
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Is brainly good or bad? I think it is bad
Answers
Answer:
Both
Explanation:
Brainly is both good and bad
It is good because it helps people with assignment they have no idea about
It is also bad because people cheat from this site
a field service technician is replacing a server motherboard that supports cpus with multithreading capabilities. the technician notices the motherboard has four processor sockets. if each socket supports a quad-core processor, how many logical processors does the system appear to have?
Answers
If each physical core can handle the simultaneous execution of two threads, the system would appear to have 32 logical processors (or threads).
Which of the following capabilities on Intel chips best enables a single CPU to operate two threads in parallel?A hardware advancement called Intel® Hyper-Threading Technology enables several threads to execute on each processor. Multiple threads enable concurrent execution of more tasks.
Which computer memory is being used by the CPU to process data and powerful programmes right now?Programs and data presently being processed by the CPU Internal memory are stored in the computer memory. RAM is a type of storage. A application is loaded into Memory when it is launched. The Processor then retrieves instructions in machine language.
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This device converts mechanical energy into electrical energy. a Generator b Transformer c Voltage d Current
Answers
Answer:
a) Generator
Explanation:
Generator converts mechanical energy into electrical energy,
while motor converts electrical energy into mechanical energy.
Generator works because of electro magnetic induction which is when a voltage is induced due to changing magnetic field.
Transformer is a passive device that transfers electrical energy from one electrical circuit to another
Voltage is a electro motive force or the potential difference expressed in Volts
Current the rate at which charge is flowing
If you want to stop a loop before it goes through all of its iterations, the break statement may be used. Group of answer choices True False
Answers
Answer:
Answer is true
Explanation:
What are elements ?Give any five example
Answers
Chemical element, also called element, any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Some examples are carbon, oxygen, hydrogen, gold, silver and iron.
Technical environment refers to all the technological surroundings that influence organization. Technology consists of skills,methods,systems and equipment. It includes and innovations. It makes work more efficient. It is a means to transfer input into outputs.
Technology influences organizations by bringing about changes in jobs, skills, lifestyles, production methods and processes. Automation, computerization, robotics, informatics, biotechnology, laser, new materials and artificial intelligence have all influenced organizations.Information technology affects every function of within the organization.Organizations should be aware of technological changes tot avoid obsolescence and promote innovation.
Technological forecasting is also important.Technology reaches people through organization. It is a powerful force that shapes their destiny.
1)Level of technology: The level of technology can be appropriate or sophisticated. It can be labour-based or capital-based.The level of technology influence organizations.
Labour based technology: Human labour is mainly used for operations.
Capital based technology: Machinery is mainly used for operations. Technology is represented by automation, computerization, robotizing, etc.
2)Pace of technological change: Technology is a dynamic force. Its speed of change is accelerating. Invention, innovation and diffusion increase its pace. Organizations should adapt to changing technological forces. They should also upgrade the skills of their human resources to effectively cope with the demands of technological changes.
Technological change influences organizations in the following :
It can make existing industries obsolete.It can the rates of obsolescence.
It can rejuvenate the existing industries through product improvements or cost reductions.
It can create entirely new industries.
It can increase government regulations.
3)Technological transfer: Sources of technology can be within the organization, within the country or foreign countries. Technology transfer implies technology import for organizations.
Technological transfer implies technology imported from technologically advanced foreign countries. Its speed is important for organizations.
Globalization: Global companies are the key sources of technology transfer in developing nations.
Projects: Turnkey projects based on global bidding serve as a source of technology transfer.
Trade: This consists of the sale of equipment or machines by the manufacturer.
Technical assistance: Bilateral and multilateral donors under technical assistance provide international consultants who bring new technology with them.
Training and publication: They provide opportunities to about new technology.
Technological transfer influences organization by :
Increasing and decreasing costs.
New product development and product improvement.
Improving production systems and processes.
Better satisfaction of customer needs.
4)Research and development: R&D is the essence of innovation. The Expectation for improvement is increasing. Customers expect new products of superior quality which are safe, comfortable and environment friendly. This calls for increase research and development budget by organizations. Government and industry collaboration and spending in R&d efforts is also an important aspect of the technology environment.
I hope this helped!
identify the first step in transforming a data model into a relational database design.
Answers
The first step in transforming a data model into a relational database design is identifying entities and their attributes.
In the process of transforming a data model, such as an entity-relationship (ER) diagram, into a relational database design, the first step involves identifying the entities or objects of interest and their respective attributes. Entities represent real-world objects or concepts, and attributes define the properties or characteristics of those entities. During this step, the data model is carefully analyzed to identify all the entities present and the attributes associated with each entity. This involves understanding the relationships between entities and determining the appropriate attributes to capture the required data. Once the entities and their attributes are identified, the next steps in the process typically involve defining relationships between entities, establishing primary and foreign keys, and normalizing the design to eliminate redundancy and ensure data integrity. However, the initial step of identifying entities and their attributes lays the foundation for the entire database design process.
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which type of broadband internet offers connections nearing the speed of light?
Answers
Answer:
FiberOptic connections
Explanation
One of the fastest data transfer methods for computers.
The type of broadband internet that offers connections near the speed of light is fiber-optic. The correct option is c.
What is fiber-optic?Information can be sent from one location to another via optical fiber. Communications over the internet, cable television broadcasts, and telephone calls all use it.
Data transmission through the internet is one typical application. Most likely, a fiber optic cable connecting my computer and Brainly's servers to your browser allowed it to obtain this webpage.
Fiber optics is used in communications, medicine, optical inspection, lighting, and in the making of sensors. The Internet is a connection of computers from different places without wires. It is transferring information.
Therefore, the correct option is c. fiber-optic.
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The question is incomplete. Your most probably complete question is given below:
Cable.
DSL.
fiber-optic.
satellite.
Name at least 10 things apps allow us to do.
Answers
Ten things that an app allow us to do on smart devices;
1) Making calculations
2) Preparing slides for presentation
3) Writing documents
4) Editing images and videos
5) Running scientific models
6) Plotting of graphs
7) Reading of ebooks
8) Playing games
9) Instant messaging
10) Transfer of files between devices
What is an app?An app is a program that could be installed on our devices that could help us to perform certain tasks. In the modern world, we have a lot of apps that have been created for the purpose of helping us out with a lot of things. There are so many smart devices such as i pads, laptops, smart phones, and tablet PCs where these apps could be run.
We could do the following with an app;
1) Making calculations
2) Preparing slides for presentation
3) Writing documents
4) Editing images and videos
5) Running scientific models
6) Plotting of graphs
7) Reading of ebooks
8) Playing games
9) Instant messaging
10) Transfer of files between devices
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What is the MAIN purpose for including a foil in a story?
Answers
Answer: reveal information about characters and their motivations
Explanation: to show data about the person to know if the person is mean or happy small or tall and more stuff and to say if they want to save the turtles or trees
What's the smallest part of a computer
A microchip
A byte
A bit
A mouse click
Answers
Answer:
A byte
Explanation:
I just had that question on my quiz
It can be referring to any sort of byte according to the question. (kilobyte would be pretty small)
Which security feature in windows 10 prevents malware by limiting user privilege levels?.
Answers
"User Account UAC" is a security thing in Windows 10 that prevents malware besides limiting user privilege levels.
What is defined as the term user privilege levels?Privilege levels allow you to specify which commands consumers can issue after logging into a network device."
Cisco Internetwork Operating System (IOS) has 16 privilege levels ranging from 0 to 15. Users with lower privilege levels have access to fewer commands than those with higher privilege levels.User Account Control (UAC) is a generic term term for a group of technologies that make it easier to use Windows with fewer privileges, such as registry as well as file virtualization, honesty levels, and elevation prompts. Protected Administrator (PA) accounts were created with consumers in mind, enabling Windows to be utilized with standard user privileges most of the time, and yet privileges can be elevated to filled administrator rights without the need for a separate user account's credentials. If the served its purpose the elevation request, UAC adds the necessary rights to the user's security token.Thus, "User Account UAC" is a security thing in Windows 10 that prevents malware besides limiting user privilege levels.
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8 grades, help please!!!!
Answers
Answer: can you take a clearer picture its really blurry then I can help Thx! :)
Explanation:
we found 10 travel apps to make the most of any vacation. which app from our list has walking tours of hundreds of cities worldwide, all usable without network service or wi-fi?
Answers
The travel app from the list that has walking tours of hundreds of cities worldwide, all usable without network service or Wi-Fi is "GPSmyCity".
GPSmyCity is a travel app that offers self-guided walking tours for hundreds of cities worldwide. These tours can be downloaded and used without the need for network service or Wi-Fi, making it a great option for travelers who want to explore a new city without incurring roaming charges or relying on internet connectivity. The app provides detailed maps and audio guides for each tour, allowing users to discover the highlights of each city at their own pace. Additionally, the app includes features such as a currency converter, weather forecast, and local restaurant recommendations, making it a useful tool for planning and enjoying a vacation.
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You cannot remember the address of Kayah’s website. What type of tool will help you
locate/find it by typing in keywords to look for it?
Answers
Answer:
A search engine
Explanation:
View the pdf
WIll Give brainliest!!!!!!!!!!!!!!!!!!!!!!! Which function converts the user's input to a number without a decimal? float() int() print() string()
Answers
Answer:
String.
Explanation:
Hope this helped you!
Answer: int()
Explanation: integer is the meaning of int() if you payed attention to programming class, int() would be a WHOLE number and not a decimal number, 2nd of all, a decimal number would be float() so the answer is int() hope i helped!
press ctrl+d press space keep repeating until.... what does this phrase mean what is it telling me to press
Answers
Answer:
Well it just favorited this page ;_;
Explanation:
Select all that apply.
Select all elements that a piece of writing needs to be effectively organized.
an interesting title
a reference list
an interesting introduction
a clear, summarizing concluding paragraph
well-organized body paragraphs
Answers
Giving your reader a broad overview of the subject should be the first step.
Explain about the Clear introduction?
The topic should be focused in the center of the introduction so that your reader can see how it relates to your paper's overall goal.
Your beginning serves as a crucial guide for the remainder of your essay. Your introduction gives your viewers a lot of information. They can learn what your issue is, why it is significant, and how you intend to move the conversation along.
It should begin your essay and make the reader interested in what you have to say. When crafting a hook, stay away from generalising your arguments or utilising rambling, complex words. Start your essay with an exciting sentence that is easy to understand, succinct, and memorable.
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why is a computer called diligent machine ?
Answers
Computer is called diligent machine because it can perform the task repeatedly without loosing its speed and accuracy for a long time.
What is a product line
Answers
Answer:
A group of products that are similar in many ways, but usually spec'd out uniquely to target different applications or customers.
what does a computer do with what it receives from the interpreter?
Answers
Answer:
it executes whatever it receives from the interpreter
Explain why Windows reports 8 GB of memory even though the one SO-DIMM contains 4 GB of memory.
Can the laptop receive a memory upgrade and if so, how much will it cost?
Answers
Due to the laptop's dual-channel memory arrangement, which allows it to use two SO-DIMMs simultaneously, Windows reports 8 GB of memory.
Each SO-DIMM in this instance is delivering 4 GB of memory, making a total of 8 GB available. The OS and the game are considerably more knowledgeable about how the RAM should be maintained and what assets should be moved where than you or I am.
High RAM use is in no way harmful. You don't pay for 8GB to utilize only 2GB, do you? In that case, purchase 2GB instead. Never worry about RAM utilization unless an unknown app is using too much and preventing the use of other system features or capabilities.
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A Class or ID can be declared in the opening or closing tag
psing tag
O True
O False
Answers
Answer
True.
Explanation:
In HTML, you can declare a class or ID for an element in the opening tag or closing tag of the element.
"Use onblur and onfocus to add red borders to the input elements when the user leaves without any input, and a green border if a value is typed and the user is done with the input element."
Was an instruction in my java assignment, does anyone have an idea on what code is needed to do that?
Answers
Answer:
habla en español no te entiendo por favor