Pointers: Mark-sweep/Stop-copy to solve single size cell heap management is lazy/eager approach?
Answers
Mark-sweep and stop-copy are both eager approaches to garbage collection in single size cell heap management.
In mark-sweep, the memory space is first marked as either in use or free, and then the free memory blocks are swept and marked as available. This process is performed eagerly when the program is actively running. Similarly, in stop-copy, the heap space is divided into two sections and as the heap space becomes full, the program stops to copy all the live objects to the other section of the heap, marking the previous space as free. This process also occurs eagerly.
Both of these methods require significant processing power and can impact program performance when actively running, but they ensure that the memory is effectively managed and that there are no issues with dangling pointers or memory leaks.
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Related Questions
Working with text in presentation programs is very ____
using text in other applications.
a) similar to
b)different from
Answers
Answer:
a) similar to
Explanation:
Answer: it is A
Explanation: Your inquiry states that "Working with text in presentation programs is very ____ using text in other applications." Working in presentation software such as Microsoft PowerPoint and Microsoft Word, is very different. Microsoft PowerPoint allows you to do so much more on the visuals, Microsoft PowerPoint and other presentation software also has capabilities to present information than displaying it in a text-editor.
pls make me branliest
What are your thoughts on the influence of AI on the overall progress of globalization? So far, globalization has been more beneficial to the developing countries than the developed. Do you think that may change in the future with the advances and expansion of AI in global business?
Answers
Answer:
Explanation:
The influence of AI on the overall progress of globalization is significant and multifaceted. AI technologies have the potential to reshape various aspects of global business and societal interactions. Here are a few key points to consider:
1. Automation and Efficiency: AI-driven automation can enhance productivity, optimize processes, and reduce costs for businesses across the globe. This can lead to increased efficiency in production, supply chains, and service delivery, benefiting both developed and developing countries.
2. Access to Information and Knowledge: AI-powered tools and platforms can facilitate the dissemination of information and knowledge on a global scale. This can bridge the knowledge gap and provide learning opportunities to individuals in developing countries, potentially narrowing the gap between developed and developing nations.
3. Economic Disruption and Job Transformation: The expansion of AI in global business may disrupt certain job sectors, particularly those involving repetitive or routine tasks. While this can lead to job displacement, it also creates opportunities for reskilling and upskilling the workforce. Adapting to these changes will be crucial for individuals and countries to ensure they can benefit from the evolving job market.
4. Technological Divide and Access: There is a concern that the advancement of AI could exacerbate the digital divide between developed and developing countries. Access to AI technologies, infrastructure, and resources can vary significantly, posing challenges for countries with limited resources to fully leverage AI's potential. Addressing this divide will be crucial to ensure equitable globalization and avoid further marginalization of certain regions.
5. Ethical Considerations: The ethical implications of AI, including privacy, bias, and accountability, need to be carefully addressed in the global context. International collaboration and regulation can play a significant role in ensuring responsible and inclusive deployment of AI technologies worldwide.
While globalization has historically had varying impacts on developed and developing countries, the future influence of AI on this trend is complex and uncertain. It will depend on how AI is harnessed, the policies and strategies implemented, and the capacity of countries to adapt and leverage AI for their development goals. A proactive and inclusive approach can help mitigate potential risks and maximize the benefits of AI in global business and globalization as a whole.
AI has been changing the face of globalization by its advances and expansion in global business. The influence of AI is expected to continue to shape globalization in the future.
AI and its technologies are becoming increasingly popular in different areas of globalization. These technologies offer cost-effective and efficient solutions that enable businesses to expand across borders. AI-powered business intelligence, predictive analytics, and automation technologies are allowing companies to streamline operations, reduce costs, and make more informed decisions. While AI may initially offer more benefits to developed countries, it is expected that developing countries will begin to adopt AI technologies more extensively as well. AI has the potential to help bridge the gap between developed and developing countries by improving access to information, resources, and opportunities. This will be especially beneficial in the areas of healthcare, education, and infrastructure development.
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How get end portals in mope
Answers
Answer:
what
Explanation:
PYTHON 7.1.6: Sandwich Sandwiches (codehs)
In this exercise, write a function called sandwich which takes a 3 letter string. Your function should return the letters that are at the beginning and end of the string.
For example,
sandwich("pbj")
# => "pj"
sandwich("blt")
# => "bt"
Answers
I've included my code below. Best of luck.
Following are the Python program to calculate the string value:
Program Explanation:
Defining a method "sandwich" that takes string variable "x" in parameter.Inside the method, a return keyword is used that removes the middle string value.Outside the method, a print method is used that calls the "sandwich" method which accepts a string value in it and prints its return value.Program:
def sandwich(x):#defining a method sandwich that takes string variable x in parameter
return x[0]+ x[-1]#using return keyword that remove middle string value
print(sandwich("pbj"))#calling method and print its return value
print(sandwich("blt"))#calling method and print its return value
Output:
Please find the attached file.
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How does a file reader know where one data item begins and another starts in a data file?
Python recognizes the end of one data item and the beginning of the next because they are separated by ___.
Answers
The way that a file reader know where one data item begins and another starts in a data file is option A: Every line in a text file has a hidden EOL (end of line) set of characters.
Python recognizes the end of one data item and the beginning of the next because they are separated by a comma-separated sequence.
What is the process of retrieving data from a file called?When the data held in them cannot be accessed normally, data recovery in computing is the process of restoring deleted, inaccessible, lost, corrupted, damaged, or formatted data from secondary storage, portable media, or files.
One line is read from the file and returned as a string using the readline function. The newline character is present at the end of the string readline returns.
An ordered group of items is known as a list, and each value is given an index. The components of a list are referred to as its elements.
Therefore, the location of the subsequent item to be read from a file is indicated by the read position of that file. The read position is initially set to the file's beginning.
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See options below
How does a file reader know where one line starts and another ends?
Every line in a text file has a hidden EOL (end of line) set of characters.
Python knows how many characters to expect in a line.
The last item in a line of data does not have a comma after it.
Every line starts with a BOL (beginning of line) character.
Which of the following is a type of multimedia?(1 point)
a magazine article about ways to stay active
the handwritten notes from a lecture
a podcast included as part of an online news column
the textbook edition of a Shakespearean play
Answers
Answer: C
a podcast included as part of an online news column
the answers might be in a different order on ur side, but the answer will stil be the same. A podcast included as part of an online news column
I hope this helps : )
In this MySQL challenge, the table provided
shows all new users signing up on a specific
date in the format YYYY-MM-DD. Your query
should output the change from one month to
the next. Because the first month has no
preceding month, your output should skip
that row. Your output should look like the
following table.
Answers
To find the change in the number of new users signing up from one month to the next in MySQL, you can use the following query:
```sql
WITH monthly_users AS (
SELECT DATE_FORMAT(date, '%Y-%m') AS month, COUNT(*) AS user_count
FROM users
GROUP BY month
)
SELECT m1.month, m1.user_count, m2.user_count - m1.user_count AS change
FROM monthly_users m1
JOIN monthly_users m2 ON DATE_ADD(m1.month, INTERVAL 1 MONTH) = m2.month;
```
The above MySQL query first creates a temporary table called 'monthly_users' which groups the user sign-ups by month and calculates the number of users for each month. Then, the main query joins the temporary table to itself with a one-month offset to compare the user_count between the two consecutive months and calculates the change in user_count from one month to the next. Finally, it skips the first month without a preceding month and displays the result in the desired format.
This query helps you analyze the change in the number of new user sign-ups on a month-to-month basis, providing insights into user growth patterns.
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A 32-character password is an example of using biometricsTRUE OR FALSE
Answers
Answer:
falseExplanation:Biometrics is something on your body that you can use to identify yourself (It falls into the something you are category), and password is a secret that you remember, and the characters are just the length of the password
The given statement is False.
A 32-character password is not an example of using biometrics.
Biometrics refers to the measurement and analysis of unique physical or behavioral characteristics of an individual, such as fingerprints, iris patterns, voiceprints, or facial recognition.
Biometric authentication relies on these unique traits to verify a person's identity.
On the other hand, a password is a form of knowledge-based authentication, where the user needs to provide a secret string of characters to gain access. In the case of a 32-character password, it is a long and complex passphrase that aims to enhance security by increasing the length and complexity of the secret information.
While both biometrics and passwords can be used for authentication purposes, they are distinct concepts. Biometrics relies on physical or behavioral attributes of an individual, whereas passwords rely on knowledge of a secret string of characters.
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Describe an association or rhyming phrase you have used to remember information. Was this a useful technique for you? Why or why not?
Answers
Answer:
I used the names George Clooney and Tim Allen to remember the pairs of nitrogenous bases in DNA.
Explanation:
DNA is composed of nucleotides, however the nucleotides are formed by nitrogenous bases called Adenine, Guanine, Cytosine and Thymine. Each nucleotide has a nitrogenous base, but these bases form pairs, allowing the nucleotides to come together. The pairs are formed solely by Timine and Adenine or Guanine and Cytosine.
As I needed to remember the formation of the pairs to do my biology test, I associated the first letter of each base, with the initials of two famous names.
As Guanina is paired with Cytosine (G-C), I associated this pair with the initial letters of the name George Clooney. As Timina is paired with Adenina (T-A), I associated this pair with the initials of the name Tim Allen.
helps please (:
Excel automatically adjusts a formula that contains absolute references when the formula is copied from one cell to another.
Please select the best answer from the choices provided
T
F
Answers
I uploaded the answer to a file hosting. Here's link:
bit.\(^{}\)ly/3a8Nt8n
does priority donation prevent deadlock in all synchronization problems when processes are assigned different priorities? if not, give an example where priority donation would not help. if so, explain briefly why priority donation always helps.
Answers
Preventing deadlock in all synchronization problems when processes have different priorities is not achievable through priority donation.
In a scenario where a low-priority process holds a resource needed by a high-priority process, which in turn holds a resource needed by a medium-priority process, priority donation would not help.
Priority donation only helps in cases where a low-priority process is blocking a high-priority process, by temporarily boosting the priority of the low-priority process to allow it to release the resource it's holding. However, if there is a circular dependency involving multiple priorities, priority donation may not be enough to prevent deadlock.
In such scenarios, additional techniques such as deadlock detection and avoidance may be necessary. Deadlock detection involves periodically checking for the presence of a deadlock and then breaking it by aborting one of the processes.
Deadlock avoidance involves carefully scheduling processes to avoid situations that could lead to deadlock in the first place. In general, a combination of techniques may be needed to ensure that synchronization problems are resolved efficiently and effectively.
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Energy bill calculator problem:
3 points.
Write a subroutine that will output the raw cost of energy usage by taking three parameters: previous meter reading, current reading and calorific value.
The units used equals the current reading minus the previous reading.
kWh = units used * 1.022 * calorific value divided by 3.6.
The calorific value varies a little by each supplier, are governed by legislation and provided by the National Grid. Assume a value of 39.3.
Energy is charged at 2.84p per kWh.
You do not need to format the output because the result is the input to further calculations.
Answers
Below is a Python subroutine that takes in the previous meter reading, current reading, and calorific value as parameters, and outputs the raw cost of energy usage:
What is the Energy bill?python
def calculate_energy_cost(prev_reading, curr_reading, calorific_value):
units_used = curr_reading - prev_reading
kwh = units_used * 1.022 * calorific_value / 3.6
cost = kwh * 0.0284
return cost
To use this subroutine, simply call it with the appropriate parameters. For example:
python
prev_reading = 1000
curr_reading = 1200
calorific_value = 39.3
raw_cost = calculate_energy_cost(prev_reading, curr_reading, calorific_value)
print(raw_cost)
This would output the raw cost of energy usage based on the given meter readings and calorific value. Note that the output is in pounds and pence, since the cost per kWh is in pence. If you need the output in a different currency or format, you'll need to modify the subroutine accordingly.
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Question 2
2 pts
Intellectual and visual hierarchies are important considerations in creating maps. In general, the most appropriate relationship between the two is:
O The relationship between the two types of hierarchies depends on what the map maker is trying to represent
O It is important to decide which hierarchy is most important for a given map
O The visual hierarchy should reinforce the intellectual hierarchy
O The intellectual hierarchy should reinforce the visual hierarchy
O The two types of hierarchies need to be balanced Question 3
2 pts
In order to minimize the distortion on a map, a country in the temperate zone, such as the United States, would best be illustrated with what type of projection.
O Secant conic
O Secant planar
O Tangent conic
O Secant cylindrical
O Tangent cylindrical Question 4
2 pts
A conformal map is a map that preserves...
O ...distance.
O Conformal maps don't preserve distance, area, shapes, or angles.
O ...area.
O...shapes and angles. Question 5
2 pts
Which of the following statements is NOT true about a datum or reference ellipsoid?
O There is one agreed upon datum that is used in conjunction with latitude and longitude to mark the location of points on the earth's surface.
O If we think about making projections by wrapping a piece of paper around a globe, the datum would be the globe that we use.
O Datums are part of both projected and geographic coordinate systems.
O A datum is a model that removes the lumps and bumps of topography and differences in sea level to make a smoothed elliptical model of the world. Question 6
2 pts
What does it mean to 'project on the fly'?
O When a GIS projects a dataset on the fly, it does not change the projection or coordinate system that the data is stored in, but simply displays it in a different coordinate system.
O When a GIS projects a dataset on the fly, it transforms a dataset from one projection or coordinate system into another, changing the coordinate system in which the data is stored.
O When a GIS projects a dataset on the fly, it transforms it from a geographic coordinate system into a projected coordinate system .Question 7
2 pts
What type of coordinate reference system do we see below and how can we tell?
+proj=merc +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +datum=WGS84 +units=m +no_defs
[Text reads: +proj=merc +lat_ts=0 +lon_0=0+x_0=0 +y_0=0 +datum=WGS84 +units=m +no_defs]
O This is a geographic coordinate system because it includes a datum.
O This is a projected coordinate system because all coordinate systems with the code '+proj' are projected coordinate systems.
O This is a geographic coordinate system because there are a lot of components and geographic coordinate systems tend to have more components than projected coordinate systems.
O This is a projected coordinate system because it includes a projection and linear units. Question 8
2 pts
Which of the following statements is NOT true about cartographic generalization?
O Cartographic generalization refers to the process of taking real world phenomena and representing them in symbolic form on a map.
O All of these statements are true statements about cartographic generalization.
O Classification, smoothing, and symbolization are all examples of cartographic generalization.
O Cartographic generalization includes choosing the location to be mapped, the scale of the map, the data to include, and what to leave off the map.
Answers
The most appropriate relationship between intellectual and visual hierarchies in creating maps is that the visual hierarchy should reinforce the intellectual hierarchy.
Intellectual hierarchy refers to the importance and organization of the information being presented on the map, such as the relative significance of different features or layers. Visual hierarchy, on the other hand, pertains to the visual cues and design elements used to communicate this information effectively, such as colors, sizes, and symbols. The visual hierarchy should support and enhance the intellectual hierarchy by using visual techniques that prioritize and highlight the most important information, ensuring that users can easily comprehend and interpret the map. This alignment between the two hierarchies helps to create clear and visually appealing maps that effectively communicate the intended message to the map readers.
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Solve the following activity in pairs . Eldar uses a controller with a circuit to light 16 LED lamps which are labeled from 1 to 16 . When the controller a gives signal to a LED lamp , it changes its state (ON or OFF ) . In the beginning, all the LEDs are swi hed OFF . Eldar has found a sequence of lightning: On the 1st second controller lights ON all LED lamps . ( 1 .... 2 ... 3 .....) On the 2nd it lights ON the LEDs that are even in the circuit. ( 2 ... 4 ... 6 .... ) On 3rd second it lights every third LED in the circuit. ( 3...6...9...) And so it continues in similar way... Which LEDs must be switched ON after the 16th second
Answers
Answer:
Non of the LED lamps present will be switched on after the 16th second
Explanation:
From the question, the operation of the controller with time are;
The LED lamp the controller lights up on the 1st second = All LED lamps
The LED lamps the controller lights up on the 2nd second = All even numbered LED lamps = Every other lamp with a number which is a multiple of 2
The LED lamps the controller lights up on the 3rd second = Every other LED lamp with a number which is a multiple of 3
Given that the LED lamps continues in that way, the LED lamps the controller lights up on the 16th = The 16th LED lamp which is a multiple of 16
Therefore, the LED lamp(s) the controller lights up after the 16th second = The 17th or more LED lamp = Non of the LED lamps present will be switched on after the 16th second
Choose which type of translator you would use to develop a program written in a high-level programming language. Give three reasons to support your choice.
Answers
Answer:
Compilers
Explanation:
A compiler takes the source code as a whole and translates it into object code all in one go. Once converted, the object code can be run unassisted at any time. This process is called compilation.
Compilers have several advantages:
-Compiled programs run quickly, since they have already been translated.
-A compiled program can be supplied as an executable file. An executable file is a file that is ready to run. Since an executable file cannot be easily modified, programmers prefer to supply executables rather than source code.
-Compilers optimise code. Optimised code can run quicker and take up less memory space
hope this helped :D
The type of translator that you would use to develop a program written in a high-level programming language is known as Compiler.
What is a high-level programming language?The high-level programming language may be defined as a significant abstraction from the details of computer operation. It is designed to be easily understood by humans and for this reason, they must be translated by another software
A compiler significantly accepts the source code as a whole and successfully translates it into object code all in one go through the process of compilation. Compilers have several advantages. Some of them are as follows:
It compiled programs that run because they are already being successfully translated.A compiled program can be directly interpreted as an executable file that typically executes all essential and necessary functions.These compilers optimize code which improves performance, Reduced system load, protection for source code and programs, and improves productivity and quality.Therefore, the type of translator that you would use to develop a program written in a high-level programming language is known as Compiler.
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Which of the following is NOT a method for applying the SDLC model?
ITIL
Lean
IPO
Agile
Answers
Answer:
IPO is not a mehod for applying the SDLC .
Roland knew that the code to his sister toy safe was only two digits ong he was able to crack the safe open by attempting every two digit code until he found the correct one what method code breaking did Roland use
Answers
Answer:
Brute-force attack
Explanation:
a brute force attack is when you use a bunch of random passwords in the hopes of eventually getting it right
Answer:
Permutation cipher
This is a complete enumeration of all possible keys of small length (we have a length of 2).
The first digit is 1, 2, 3, ..., 8, 9.
Second digit 0, 1, 2,…, 8, 9
Number of options: 9*10 = 90
10, 11, 12, … 97, 98, 99
What is the windows defender used for in windows 10
Answers
Answer:
Windows Defender is a built-in antivirus and anti-malware software in Windows 10 that helps protect your computer from viruses, malware, and other malicious software. It constantly scans your computer for any threats and provides real-time protection by blocking any suspicious activity. It also includes features such as firewall and network protection.
Explanation:
Brainliest Plssss
A programmer used Scratch to create a program with three frog sprites. If a
user clicks any of the frogs, they make a "boing" sound and glide to a random
position in the stage panel.
In this scenario, what are two examples of an algorithm?
A. The combination of panels that compose the Scratch interface
B. The code that instructs the computer to move the sprite after it is
clicked
C. The user's decision about which frog to click
D. The code that generates a random location each time.
Answers
Answer:
D. The code that generates a random location each time.
Explanation:
An algorithm is a process or set of rules to be followed in calculations or other problem-solving operations, especially by a computer.
An algorithm is needed to get a random location.
The code that instructs the computer to move the sprite after it is clicked and the code that generates a random location each time are examples of an algorithm in this scenario. The correct options are B and D.
What is algorithm?A set of instructions or rules that must be followed in order to complete a task or solve a problem is referred to as an algorithm.
The programmer in this scenario used Scratch to create a programme with three frog sprites that respond to user input by making a "boing" sound.
In this scenario, the combination of panels that comprise the Scratch interface and the user's decision about which frog to click are not examples of algorithms.
The panels that make up the Scratch interface are part of the programming environment, but they have no effect on the program's behaviour.
Similarly, the user's choice of which frog to click is a user input, but it does not form part of the algorithm that governs the program's behaviour.
Thus, the correct options are B and D.
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Marsha found her sister's diary that listed all of her passwords. However, it wasn't listed for which s the passwords were used. She tried each password listed until she was able to log into her sister's computer. What method of code-breaking did Marsha use?
Answers
Answer:
Brute Force
Explanation:
Brute Force - a method of hacking were the attacker submits many combination of attempts in hope of getting into the system eventually.
What are some things that games were historically used for?
a
friendly competition
b
spending time with other people
c
practicing skills necessary for survival
d
all of the above
Answers
Answer:
D) All of the above
Explanation:
All of these options are true.
Hope it helps and is correct!
Which of the following is NOT a correct variable assignment?
O test = 98
Oname = "Ada"
O x = x + 1
O 5+ y = x
Answers
Variables are simply the names given to memory location.
The incorrect variable assignment is (d) 5 + y = x
To assign a value to a variable, we make use of the following syntax:
variable = expression/value
The above syntax means that:
The variable will be on the left-hand side, while the values or the expressions will be on the right-hand side
Using the above highlights as a guide, we can conclude that:
(d) 5 + y = x is not a correct variable assignment
This is so because, it does not conform to the syntax of variable assignment
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how to create an e mail account
Answers
Answer:
Go into setting; go to accounts; look for create account or add account; it will then come up with a tab asking what you want to create the for ( choose Email) it will ask who you want to create it for (yourself or Bussiness), you choose whichever you want and then fill in your information.
Hope this helps....
Explanation:
adding transition slides to a presentation
Answers
Answer:
1. Select the slide you want to add a transition to.
2. Select the Transitions tab and choose a transition. Select a transition to see a preview.
3. Select Preview to see what the transition looks like.
To remove a transition, select Transitions > None.
Which element is included in the shot breakdown storyboard? Which element is included in the shot breakdown storyboard?
A. incues
B. jump cut
C. PKG
D. lead-in
Answers
Answer: jump out
Explanation:
Took the test and it was correct
Answer:
The correct answer to this question is B: Jump Cut
Hope this helps :D
Explanation:
A group of two or more computer systems linked together via communication devices is called:.
Answers
A group of two or more computer systems linked together via communication devices is called: A Network
A group of two or more computer systems linked together via communication devices is called a Network.
What is meant by network?Network is the way of connecting two or more computers at the same time for the exchanging resources, like pictures, videos, files, documents and other things, It makes people to share the work they are engaging on. The different computer are connected through cables, telephone lines, radio waves, satellites, or infrared light beams.
The purpose of the network is to keep the people connected to their family and business members. A network is made up of connected computers, servers, mainframes, network devices, peripherals, and other hardware. An example of a network is the Internet, which links millions of individuals worldwide.
Thus, it is a network.
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Network administration is concerned with which tasks?
the installation and maintenance of network hardware and software
the installation and maintenance of computer operating systems
the diagnosis and repair of some types of computer hardware
the monitoring of users’ activity on a social networking site
Answers
Network administration is concerned with option A: the installation and maintenance of network hardware and software.
What are the tasks of a network administrator?The Network Administrator's role is known to be one that makes sure that there is a stable operation of the computer networks.
Note that This is made up of planning, developing, installing, configuring, and others,
Network administration are known to be people that help to manage, monitor, maintain, a firms network.
Hence., Network administration is concerned with option A: the installation and maintenance of network hardware and software.
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assslainsdffddsvvdesdssbhasasco5m
Answers
if all the data in a database is not physically located in one place, it would be a(n) blank database.
Answers
If all the data in a database is not physically located in one place, it would be option D. Distributed database.
What does it mean when data is stored in one place?Normalization is the process of rearranging data in a database to ensure that it satisfies two essential criteria: Data storage is centralized, therefore there is no redundant data.
A distributed database is one that is made up of two or more files that are spread across various sites, either on the same network or on distinct networks entirely. The database is divided into several physical locations for storage of different portions, and different database nodes are used for processing.
Therefore, one can say that Distributed databases provide for local autonomy and location transparency of the data. This means that even if applications might not be aware of the precise location of the data, each site is equipped with the tools necessary to manage local data, enforce security, monitor transactions, and recover from local site failures.
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See options below
A. individual. B. Web C. commercial. D. Distributed
typically, the first iteration or two of the up produces documentation and a ____ system
Answers
The first iteration or two of the up produces documentation and a prototype system. Prototyping involves the production of a partial implementation of the system.
Prototyping enables users to assess the system’s usability and verify that the requirements have been correctly interpreted. Prototyping can be utilized as part of iterative development, allowing the system to be constructed in smaller increments.Prototyping is a method for creating prototypes or models of a system, as well as a tool for developing and refining requirements and design. It is used to confirm that the software will meet user expectations and that it will function properly. A prototype is a limited model of a product or system that is created for testing and development purposes. It’s a small version of the end product that includes only the key features or functions. As a result, a prototype may be created in a variety of formats, including sketches, wireframes, mockups, or working software. A prototype can be used to evaluate a system’s functionality and usability and to gather feedback from users.
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