To prove that the height of a perfect binary tree is log(n+1)-1, we will use mathematical induction. First, we will show that this formula holds for a tree with only one node (n=1). In this case, the height of the tree is 0, and log(n+1)-1 equals 0, so the formula holds.
Next, we will assume that the formula holds for a perfect binary tree with k nodes, and show that it also holds for a tree with k+1 nodes. To do this, we will add one node to the tree, which must be added as a leaf node. This means that the height of the tree increases by 1. By the induction hypothesis, the height of the original tree was log(k+1)-1. Adding a leaf node does not affect the depth of any other nodes in the tree, so the height of the new tree is log(k+2)-1, which is equal to log((k+1)+1)-1. Therefore, the formula holds for a perfect binary tree with k+1 nodes.
By the principle of mathematical induction, we have shown that the formula holds for all perfect binary trees.
To prove by induction that the height of a perfect binary tree is log(n+1)-1, we need to establish two steps: base case and induction step.
Base case: For n = 1 (one node), height = log(1+1)-1 = log(2)-1 = 0, which is correct as the single node tree has height 0.
Induction step: Assume the height of a perfect binary tree with n nodes is log(n+1)-1. Now, consider a tree with 2n+1 nodes (one extra level). This new tree has double the nodes plus one additional root. The height increases by 1.
New height = log(2n+1+1)-1 = log(2(n+1))-1 = log(n+1)+log(2)-1 = (log(n+1)-1)+1.
This shows the height of a perfect binary tree with 2n+1 nodes is log(n+1)-1 +1, maintaining the relationship as we add a level, proving the statement by induction.
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Sort the following everyday examples of sedimentary processes into the bins labeled with the sedimentary processes they most closely represent.
The Sorting of the examples of sedimentary processes are:
Sediment Erosion/transport - The dirt going down the drain after you give your dog a bath and drain the tub Dirt being blown off a patioDeposition of sediment - Dust collecting on furnitureWeathering of rock - Tree roots extending into a rock layer and breaking it down Ice expanding in a crack in the road creating a potholeCompaction/lithification - A dump truck dumps a load of gravel on your lawn. The dirt below it becomes more consolidatedWhat is the sedimentary process known as?Sedimentary rocks are said to be the outcome of
1) The weathering of preexisting rocks,
2) The transport of the weathering products,
3) The deposition of the material.
4) The compaction process.
5) The cementation of the sediment to form a rock.
This is known to be the most vital geological processes that has lead to the making of sedimentary rocks such as due to erosion, weathering, dissolution, and others
Therefore, The Sorting of the examples of sedimentary processes are:
Sediment Erosion/transport - The dirt going down the drain after you give your dog a bath and drain the tub Dirt being blown off a patioDeposition of sediment - Dust collecting on furnitureWeathering of rock - Tree roots extending into a rock layer and breaking it down Ice expanding in a crack in the road creating a potholeCompaction/lithification - A dump truck dumps a load of gravel on your lawn. The dirt below it becomes more consolidatedSee full question below
Sort the following everyday examples of sedimentary processes into the bins labeled with the sedimentary processes they most closely represent. Drag the appropriate items into their respective bins View Available Hint(s) Reset Heip A dump truck dumps a load of gravel on your lawn. The dirt below it becomes more consolidated Dirt being blown off a patio Ice expanding in a crack in the road Dust collecting on furniture creating a pothole Tree roots extending into a rock layer you give your dog The dirt going down the drain after a bath and drain the tub and breaking it down Sediment Erosion/transport Deposition of sediment Weathering of rock Compaction/lithification
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Write a python program that prompts the user to enter 20 numbers, and then calculates and displays the sum of the positive ones.
Coding Assignment
123456789101112131415161818102
Explanation:
h
The Python program that prompts the user to enter 20 numbers and calculates the sum of the positive ones is given below.
We have,
The Python program that prompts the user to enter 20 numbers and calculates the sum of the positive ones:
def main():
num_count = 20
positive_sum = 0
for i in range(num_count):
try:
num = float(input(f"Enter number {i+1}: "))
if num > 0:
positive_sum += num
except ValueError:
print("Invalid input! Please enter a valid number.")
print("Sum of positive numbers:", positive_sum)
if __name__ == "__main__":
main()
In this program, we define a function main() that runs the main logic.
It uses a for loop to prompt the user to enter 20 numbers.
Each input is converted to a floating-point number using float(), and if the number is positive (greater than 0), it adds it to the positive_sum variable.
The program then prints the sum of the positive numbers after all inputs are processed.
Thus,
The Python program is given above.
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During the maintenance phase of the software development life cycle, the information system is ______
During the maintenance phase of the software development , the information system is design.
What is software development?Software development is the name given to a group of computer science tasks involved in developing, and maintaining software.
The set of instructions or programs that a computer follows are known as software. It makes computers programmable and is independent.
Operating systems, utilities, hardware management, and other fundamental operational functions are all provided by system software.
creating computer programs that provide code-writing tools including text editors, to programmers.
Therefore, During the maintenance phase of the software development life cycle, the information system is design.
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As a member of the help desk administration team, you've been assigned to update the driver for the network adapter that is installed on most of the machines in your department. You have a copy of the latest driver on a USB flash drive. Which Windows utility will allow you to manually update this new driver?
The Windows utility that will allow you to manually update this new driver is called the Device Manager.
What is a Device Manager?This is known to be a form of Computer program or a kind of a component of a Microsoft Windows operating system that is said to give room for one to be able to see and control the hardware that is said to be attached to the computer.
Hence, The Windows utility that will allow you to manually update this new driver is called the Device Manager.
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In the u. S. , what are the privacy rights that workers have with respect to emails sent or received in the workplace?
In the U. S. , what are the privacy rights that workers have with respect to emails sent or received in the workplace is that:
Workers have a little privacy protections in regards to workplace emails.What is the above case about?Email are known to be often used to send or transmit a one-way messages or be involved in two-way communication and as such;
In the U. S. , what are the privacy rights that workers have with respect to emails sent or received in the workplace is that:
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In operant conditioning, the reduced frequency of behavior when it is no longer reinforced is known as:_______
In operant conditioning, the reduced frequency of a person's behavior when it's no longer reinforced is referred to as extinction.
The types of reinforcement.In operant conditioning, there are four (4) main types of reinforcement and these include the following:
PunishmentNegative reinforcementPositive reinforcementExtinctionIn operant conditioning, extinction refers to the reduced frequency of a person's behavior when it's no longer reinforced.
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________ controls fix a trespass into the network. a. corrective b. detective c. preventive d. mitigating
Answer: Answer: corrective
Explanation:
Refer to the film, actor, and film_actor tables of the Sakila database. The tables in this lab have the same columns and data types but fewer rows. Write a query that: Computes the average length of all films that each actor appears in. Rounds average length to the nearest minute and renames the result column "average". Displays last name, first name, and average, in that order, for each actor. Sorts the result in descending order by average, then ascending order by last name. The query should exclude films with no actors and actors that do not appear in films. Hint: Use the ROUND() and AVG() functions.
Using the knowledge of computational language in python it is possible to write a code that organizes film, actor and film and actor at the same time.
Writting the code:SELECT a.last_name, a.first_name, ROUND(AVG(f.length)) AS 'average'
FROM film f
INNER JOIN film_actor fa ON f.film_id = fa.film_id
INNER JOIN actor a ON a.actor_id = fa.actor_id
GROUP BY a.last_name, a.first_name
ORDER BY average DESC, last_name ASC;
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Developers found a "time of check to time of use" (TOCTTOU) vulnerability in their application. The vulnerability made it possible to change temporary data created within the app before the app uses the data later. This vulnerability is taking advantage of what process in the application?
This vulnerability above is taking advantage of the race condition process in the application.
What is race condition?This race condition is said to be in the critical section or one that is a part of the program and it is a place where shared memory is accessed and it is concurrently worked on or executed by two or more threads.
Hence, This vulnerability above is taking advantage of the race condition process in the application.
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You cannot have an invalid entry in the foreign key column; at the same time, you cannot delete a vendor row as long as a product row references that vendor. this is known as:____.
You cannot have an invalid entry in the foreign key column; at the same time, you cannot delete a vendor row as long as a product row references that vendor. this is known as: referential integrity.
What is the referential integrity?
This is the term that is used to refer to the dependency on a primary key. This is the type of dependency that occurs based on the fact that the foreign key is much more dependent on the primary key.
This terminology is known to be associated with the relationship that is in existent within the given tables. Each of the tables that are of interest have a primary key. These appear based on the given relationships with the other keys in the table.
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According to repko and szostak, what is the term that describes the disagreement among a discipline's practitioner's over the defining elements of the discipline?
According to repko and szostak, the term that describes the disagreement among a discipline's practitioner's over the defining elements of the discipline is option D- Cognitive Discord.
What is the relationship between interdisciplinarity and the disciplines?Based on the words of Quoting Jantsch, “Interdisciplinarity is known to be a well used axiomatics for a set of disciplines is seen at a higher level and this concept is one that can be used to co-ordinate or handle the disciplines.”
Note that Mono or multi - interdisciplinarity is one that is aim at role or duties concerning one or a lot of concrete cases.
Hence, According to repko and szostak, the term that describes the disagreement among a discipline's practitioner's over the defining elements of the discipline is option D- Cognitive Discord.
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See options below
A- Metanarrative
B- Perspective taking
C- Epistemic norms of a discipline
D- Cognitive Discord
To create a datasheet that lists all herbs that are Perennials, Jorge will create a new query. The Perennial field has a data type of Yes/No. Which criterion should Jorge use in the query for the Perennial field
The criterion that Jorge should use in the query for the Perennial field is Yes
What is a Datasheet?This refers to the document that summarizes the product specifications and other necessary details of the project.
Hence, we can see that Jorge has created a database for the herb garden he is planting this spring.
The fields in the database include Plant Name, When to Plant, Amount of Sun, Annual, and Perennial.
Therefore, the criterion that Jorge should use in the query for the Perennial field is Yes
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In the case above, to create a datasheet that lists all herbs that are Perennials, Jorge will create a new query. The Perennial field has a data type of Yes.
What means datasheet?A datasheet is known to be a kind of a document that is known to be often printed or electronic that gives a kind of a details in regards to a product, such as a computer, computer component, and others.
Note that the datasheet is made up information that can be used to be able to make a buying decision about a product or services by giving technical specifications in regards to the product.
Hence the response is yes, In the case above, to create a datasheet that lists all herbs that are Perennials, Jorge will create a new query. The Perennial field has a data type of Yes.
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Jorge has created a database for the herb garden he is planting this spring. Fields in the database include: Plant Name, When to Plant, Amount of Sun, Annual, and Perennial. He needs to answer the following questions using his database.Which plants need full sun?Which plants are Perennials? To create a datasheet that lists all herbs that are Perennials, Jorge will create a new query. The Perennial field has a data type of Yes/No. Which criterion should Jorge use in the query for the Perennial field?
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A customer is trying to configure an 802.11b wireless card in an old laptop to connect to an 802.11g wireless router. When the customer scans for the wireless network's SSID (Dion-Corp), it is not displayed within Windows. What is the MOST likely reason that the SSID is not being displayed
In the case above, the most likely reason that the SSID is not being displayed is that The broadcast is disabled on the wireless router.
What is disable broadcast in Wi-Fi?The term broadcasts is known to be any medium that is often used by organization to share a program.
Note that the act of Disabling the SSID Broadcast is said to be one of the method of securing a wireless network.
Note also that this procedure will hinder other users from getting or detecting your SSID or one's wireless network name if they ever attempt to see the available wireless networks in one's area.
Therefore, In the case above, the most likely reason that the SSID is not being displayed is that The broadcast is disabled on the wireless router.
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See full question below
A customer is trying to configure an 802.11b wireless card in an old laptop to connect to an 802.11g wireless router. When the customer scans for the wireless network's SSID (Dion-Corp), it is not displayed within Windows. What is the MOST likely reason that the SSID is not being displayed?
Options are :
802.11g and 802.11b use different frequencies
The wireless router is not configured for DHCP support
The broadcast is disabled on the wireless router
The wireless router is configured with WPA2 encryption
Today, the standard term for placing telephone calls over the Internet or any other type of data network is ____.
Answer:
VOIP (voice over internet protocol )
Class ____________ allow you to create one version of a class, without having to replicate code to handle multiple data types.
Class templates allow you to create one version of a class, without having to replicate code to handle multiple data types.
Answer:
Class templates allow you to create one version of a class, without having to replicate code to handle multiple data types.
Explanation:
A template is a general and already formatted standard that many people can use and customize on their own. For example, a PowerPoint template already has the font size, font, and background already picked, and you can put what you want on it.
Question 5 options: The description of ________ can be given by a lexical specification, which is usually separate from the syntactic description of the language
The description of LEXEMES can be given by a lexical specification, which is usually separate from the syntactic description of the language.
What is syntactic structure of language?Syntactic structure is known to be a form of an alphabet that are known to be legal characters.
Note that The description of LEXEMES can be given by a lexical specification, which is usually separate from the syntactic description of the language.
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When is it permissible to access non va websites for personal use using va computers?
It is permissible only during one's break time or after a person is done with their duty hours and it is only for a short time and it is legal and also ethical.
What is a website?This is known to be a form of is a composition of publicly accessible, interconnected Web pages that is known to often share a one domain name.
Based on the scenario above, It is permissible only during one's break time or after a person is done with their duty hours and it is only for a short time and it is legal and also ethical.
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What should you point out when demonstrating the confident cornering of a 2023 murano awd through a sweeping curve?.
The features to point out when demonstrating the confident cornering of a 2023 Murano awd through a sweeping curve are:
How good the vehicle tracks as it goes into the curveHow level Murano is balanced.The strong grip of the tires.What is the 2023 Nissan Murano about?For 2023, the Murano is seen to be having a lot of overdue makeover and it is one that includes a feature of improvement such as revamp of the outside and interior.
Note that The features to point out when demonstrating the confident cornering of a 2023 Murano awd through a sweeping curve are:
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Submit a report outlining the steps you will take to obtain digital evidence. In your report you must include the legal requirements, ethical considerations, and the digital sources you will be investigating in hopes of recovering data and collecting evidence to determine who was responsible for the data exfiltration.
For all assignments, remember the following important elements:
Proofread for spelling, grammar, and punctuation.
You may respond in bullet form for this project, but use standard written English. Do not use texting abbreviations or other similar shortcuts.
The steps you will take to obtain digital evidence.
One has to Respond First. Then a Search and Seizure is ordered.There is the Evidence Collection. There is the Securing of the Evidence. There is Data Acquisition stage.Then there is Data Analysis. Then there is Evidence Assessment. Then there is Documentation and Reporting.The last is expert witness testimony.What is Digital evidence?Digital evidence is known to be a kind of information that is often saved or transmitted in a method that uses binary form that can be relied on in case of court.
Note that it is one that can be found on a computer hard drive, a mobile device such as phone, among other means.
Hence, The steps you will take to obtain digital evidence.
One has to Respond First. Then a Search and Seizure is ordered.There is the Evidence Collection. There is the Securing of the Evidence. There is Data Acquisition stage.Then there is Data Analysis. Then there is Evidence Assessment. Then there is Documentation and Reporting.The last is expert witness testimony.Learn more about digital evidence from
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When methods have ____, other programs and methods may use the methods to get access to the private data.
When methods have public access, other programs and methods may use the methods to get access to the private data.
What do you mean by public access?The Definition of the term public access is known to be a kind of a television channel where anybody can be able to broadcast a program
An example is the city council meeting can be able to broadcast on public access.
Hence, When methods have public access, other programs and methods may use the methods to get access to the private data.
See full question below
When methods have ____, other programs and methods may use the methods to get access to the private data.
a. private access
b. public access
c. complete access
d. all access
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The residual volume can be measured directly with: Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a digital spirometer b wet spirometer c both digital and wet spirometers d it can not be measured directly
The residual volume can not be measured directly.
How is residual volume measured?Residual volume is known to be measured by what we call a gas dilution test.
Note that this test often measures how the concentration of the gases in the container changes.
What is residual volume?This is known to be the Volume of air that is left over after a FORCED EXPIRATION. Note that it is one that cannot be measured by a spirometer.
Hence, The residual volume can not be measured directly.
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The application that Scott is writing has a flaw that occurs when two operations are attempted at the same time, resulting in unexpected results when the two actions do not occur in the expected order. What type of flaw does the application have
The type of flaw that the application is said to have is known to be called race condition.
What is meant by race condition?A race condition is known to be a form of unwanted situation that takes place when a device or system tries to carry out two or more operations at the same given time, but due to the nature of the device or system, the operations had to b be done in the right sequence to be carried out correctly.
Therefore, The type of flaw that the application is said to have is known to be called race condition.
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This flaw is called a race condition.
The term race condition in this context refers to an error that occurs when a program attempts to perform two operations simultaneously. In other words, when two operations are attempted at the same time, this leads to a failure in execution since the two operations do not occur in the expected order.
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________ tells users how to use software and what to do if software problems occur.
Answer:
Documentation tells users how to use software and what to do if software problems occur.
Explanation:
Documents and Standard Operating Procedures (SOPs) help users use the software that they want to use. This is an advantage to whoever is selling the software so that they don't receive customer complaints and people continue to buy their product.
In fedora 20, the logging system used to record the messages normally stored within the boot.log, messages, and syslog files has been replaced by a journaling database system called?
The logging system which has replaced the journaling database system for use in recording messages that are normally stored within the boot.log is Journald.
What is Journald?Journald refers to a logging system service which allows for messages to be stored and does so in an easier way so that system administrators can find relevant and interesting information when they look through log messages.
In the past, these messages that Journald now stores would have been stored in boot.log, messages, and syslog files but thanks to Journald using the special file format which is made especially for log messages, this has changed.
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Which methods or commands provide access to superuser privileges for authorized users?
In Linux computer systems, the methods and commands that provide access to superuser privileges for authorized end users are:
The su command.Logging into the root account.The sudo command.What is a Linux command?A Linux command can be defined as a software program that is designed and developed to run on the command line, in order to enable an administrator (end user) of a Linux network perform both basic and advanced tasks by entering a line of text.
In Linux computer systems, some examples of the methods and commands that provide access to superuser privileges for authorized administrators (end users) include the following:
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A directory service is being installed on an exclusively windows network. which directory service software would be appropriate to install?
A directory service software that would be appropriate to install on an exclusively Windows network is an: Active Directory.
What is a directory service?A directory service can be defined as a software system that's designed and developed to store, organize and provide end users with a name and an access to directory information, so as to effectively and efficiently unify (synchronize) all network resources.
In this scenario, an Active Directory is a directory service software that would be appropriate to install on an exclusively Windows network because it uses Lightweight Directory Access Protocol (LDAP).
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If a user has a low level of digital literacy, what might they have trouble interpreting?
If a user has a low level of digital literacy, they might have trouble interpreting:
Calls to action IconsDesign patternsWhat is digital literacy?Digital literacy can be regarded as the an individual's ability in finding the evaluation, and communication of information through typing and other media on various digital platforms.
It can be evaluated with individual's grammar as well as the composition and typing skills and ability to produce text, with technology.
It should be noted that If a user has a low level of digital literacy, they might have trouble interpreting Calls to action and Icons and Design patterns.
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COMPLETE QUESTION:
If a user has a low level of digital literacy, what might they have trouble interpreting? Select all that apply.
a. Calls to action
b. Words
c. Icons
d. Design patterns
Question 3 Fill in the blank: Curiosity, understanding context, having a technical mindset, data design, and data strategy are _____. They enable data analysts to solve problems using facts.
Curiosity, understanding context, having a technical mindset, data design, and data strategy are data driven.
What are data driven skills?Data-driven decision-making is known to be one that entails the five analytical skills which are:
curiosity, understanding context, having a technical mindset, data design, data strategy.Hence, Curiosity, understanding context, having a technical mindset, data design, and data strategy are data driven.
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Design a class named Cake. Data fields include two string fields for cake flavor and icing flavor and numeric fields for diameter in inches and price. Include methods to get and set values for each of these fields. Create the class diagram and write the pseudocode that defines the class. Design an application that declares two Cake objects and sets and displays their values.
Using the computer language in pseudocode to write a function code that declares two Cake objects and sets and displays their values.
Writting the code in pseudocode:- cake flavor: string
- icing flavor: string
-diameter: num
-price: num
+set cake flavor (cake flavor : string) : void
+set icing flavor (icing flavor: string) : void
+set Diameter(size : num) : void
+set Price(price : num) : void
+get cake flavor () : string
+get cing flavor () : string
+get Diameter() : num
+get Price() : num
Answer A=
Pseudocode:
class Cake
Declarations
private string cake flavour
private string icing flavor
private num diameter
private num price
public void set Cake flavour (string Cake flavour)this. Cake flavour = Cake flavour
return
public void set icing flavour (string icing flavour)this. icing flavour = icing flavour
return
public void set Diameter(num size)
diameter = size
return
public void set Price(num price)
this price = price
return
public string get Cake flavour ()
return Cake flavour
public string get icing flavour ()
return icing flavour
public num get Diameter()
return diameter
public num get Price()
return price
end Class
start
Declarations
Cake my Cake
Cake your Cake
myCake.set cake flavour (“chocalate”)
myCake.set icing flavour (“peppermint”)
myCake.setDiameter(15)
myCake.setPrice(18)
myCake.set cake flavour (“pineapple”)
myCake.set icing flavour (“orange ”)
yourCake.setDiameter(20)
yourCake.setPrice(25)
output “Cake 1 info:”
output myCake.get cake flavour ()
output myCake.get icing flavour ()
output myCake.getDiameter()
output myCake.getPrice()
output Cake 2 info:”
output yourCake.get cake flavour ()
output yourCake.get icing flavour ()
output yourCake.getDiameter()
output yourCake.getPrice()stop
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Mel is a research scientist at a health sciences center. His job requires him to analyze large amounts of data in short periods of time. Select the best computer for me?
In the case above, Mel needs a desktop computer with a fast processor.
What is data for a computer?Computer data is known to be a form of information processed or saved by a computer. This information is saved as text documents, images, audio clips, software programs and others.
Hence due to the volume of work and in In the case above, Mel needs a desktop computer with a fast processor.
See options below
23
Mel is a research scientist at a health sciences center. His job requires him to analyze large amounts of data in short periods of time.
Select the best computer for Mel.
A handheld tablet computer
A desktop computer with two screens
A desktop computer with a fast processor
A portable laptop computer
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