The correct answer is d. decreases. The close() operation is used in programming to close an open file or stream, which essentially means that the program is finished reading from or writing to the file.
When a file is opened in a program, an open count is associated with it. This open count keeps track of how many times the file has been opened by the program. Each time the file is opened, the open count is increased, and each time it is closed, the open count is decreased.
Therefore, when the close() operation is performed on a file, the open count associated with that file decreases by one. If the open count reaches zero, it means that the file is no longer open in the program and can be safely accessed by other programs or processes. It is important to properly close files in a program to prevent memory leaks and ensure that the file is not left open indefinitely.
In summary, the close() operation decreases the open count associated with a given file.
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What is the advantage of 2023 murano’s available intelligent awd working in conjunction with vehicle dynamic control?.
The advantage of 2023 Murano's available intelligent awd working in conjunction with vehicle dynamic control is that helps the driver to be able to stand or maintain cornering control.
What is cornering stability control?The Cornering Stability Control is known to be the kicks in a car that if it senses that the car is going on a sharp corner, it can help to monitor the amount of braking force that is exerted on each wheel and help the car keep a straight line.
Hence, The advantage of 2023 Murano's available intelligent awd working in conjunction with vehicle dynamic control is that helps the driver to be able to stand or maintain cornering control.
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Amber, a network administrator, is conducting VoIP training for other IT team members. Melanie, a new team member, is confused about the difference between latency and jitter. What is the BEST way to explain the difference
The best way to explain the difference is option A: Jitter is the up and down variation in latency.
What are VoIP services?Voice over Internet Protocol (VoIP), is known to be a form of a technology that gives one room to be able to make voice calls via the use of a broadband Internet connection.
In the case above, The best way to explain the difference is option A: Jitter is the up and down variation in latency as it is the only best option.
See options below
Jitter is the up and down variation in latency.
Latency is the up and down variation in jitter.
Jitter is caused by an inadequate codec.
Latency is caused by sampling; jitter is not.
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An application is hosted on an EC2 instance in a VPC. The instance is in a subnet in the VPC, and the instance has a public IP address. There is also an internet gateway and a security group with the proper ingress configured. But your testers are unable to access the instance from the Internet. What could be the problem
In this scenario, the most likely problem is to: D. add a route to the route table, from the subnet containing the instance, to the Internet Gateway.
What is RIP?RIP is an acronym for Routing Information Protocol and it can be defined as an intradomain routing protocol which is typically designed and developed based on distance vector routing.
The types of RIP.In Computer networking, there are two main types of Routing Information Protocol (RIP) and these include:
RIP version 1.RIP version 2.RIP version 2 such as an EC2 instance in a VPC are generally designed and developed to include subnet masks. This ultimately implies that, the most likely solution to the problem is to add a route to the subnet’s routing table, which is from the subnet containing the instance and then to the Internet Gateway.
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Complete Question:
An application is hosted on an EC2 instance in a VPC. The instance is in a subnet in the VPC, and the instance has a public IP address. There is also an internet gateway and a security group with the proper ingress configured. But your testers are unable to access the instance from the Internet. What could be the problem?
A. Make sure the instance has a private IP address.
B. Add a route to the route table, from the subnet containing the instance, to the Internet Gateway.
C. A NAT gateway needs to be configured.
D. A Virtual private gateway needs to be configured.
(Convert decimals to fractions) Write a program that prompts the user to enter a decimal number and displays the number in a fraction. Hint: read the decimal number as a string, extract the integer part and fractional part from the string, and use the BigInteger implementation of the Rational class in Programming
The given program that prompts the user to enter a decimal number and displays the number in a fraction is:
import java.math.BigInteger;
import java.util.Scanner;
public class Exercise_13_19 {
/** Main method */
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
// Prompt the user to enter a decimal number
System.out.print("Enter a decimal number: ");
String[] decimal = input.nextLine().split("[.]");
// Create a Rational object of the integer part of the decimal number
Rational r1 = new Rational(new BigInteger(decimal[0]), BigInteger.ONE);
// Create a Rational object of the fractional part of the decimal number
Rational r2 = new Rational(new BigInteger(decimal[1]), new BigInteger(
String.valueOf((int)Math.pow(10, decimal[1].length()))));
// Display fraction number
System.out.println("The fraction number is " +
(decimal[0].charAt(0) == '-' ? (r1).subtract(r2) : (r1).add(r2)));
}
}
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Define a function ConvertVolume() that takes one integer parameter as total Quartz, and two integer parameters passed by reference as gallons and quarts. The function converts total Quarts to gallons and quarts. The function does not return any value. Ex: If the input is 23, then the output is: 5 gallons and 3 quarts Note: totalQuarts / 4 computes the number of gallons, and totalQuarts % 4 computes the remaining quarts.
The program that illustrates the function ConvertVolume() that takes one integer parameter is illustrated below.
How to illustrate the program?The program based on the information will be:
#include<iostream>
using namespace std;
void ConvertVolume(int totalTablespoons, int &cups, int &tablespoons) {
// compute the cups and tablespoons
// as they are passed by reference,
// the change will also reflect in the main function
cups = totalTablespoons / 16;
tablespoons = totalTablespoons % 16;
}
int main() {
int usrCups;
int usrTablespoons;
int totalTablespoons;
// user input
cin>>totalTablespoons;
// call the function
ConvertVolume(totalTablespoons, usrCups, usrTablespoons);
// print the output
cout<<usrCups<<" cups and "<<usrTablespoons<<" tablespoons"<<endl;
return 0;
}
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What is the current situation of drone technology in emergency rescue and recovery
Drones are now being used by researchers, notably those at the University of Montana, to forecast how to respond to disasters, particularly forest fires. Drones are equipped with sensors that can monitor wind speed and direction, position, location, humidity, and temperature. Major utility companies are looking into how technologies like drones and artificial intelligence may help to lower the likelihood of future fires and for infrastructure assessment to help minimize fire risk. Drones are now being used by California's emergency services to help find forest fires, which can help determine the kind and quantity of supplies needed on the site. Drones can be equipped with thermal detection sensors, which utilize infrared light to identify heat signatures and aid first responders find hotspots for fires.
To assist a user, a help desk technician is able to take advantage of a Windows proprietary network protocol that allows the technician to open a graphical interface to connect with the user's Windows computer. Which of the following TCP/IP port numbers is the default port used by this protocol
In order to assist an end user, a help desk technician can use the network protocol with a default TCP/IP port number of 3389.
What is the TCP/IP protocol suite?The TCP/IP protocol suite is an abbreviation for Transmission Control Protocol and Internet Protocol and it's a standard framework for the transmission (prepare and forward) of information on digital computers over the Internet.
In the Transmission Control Protocol and Internet Protocol (TCP/IP) suite, a help desk technician can use the network protocol with a default TCP/IP port number of 3389 to assist an end user by opening a graphical user interface to connect with the end user's Windows computer.
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Variables that can take only 2 variables are referred to as which one of the following?
Answer:
Binary variable
Explanation:
These are variables that can only take 2 values.
When a variable has only two possible levels, it is referred to as binary or dichotomous. Most of the time, these variables can be asked in a “yes/no” manner. A binary variable is something like a person's smoking status.
What Variables that can take only 2 variables?Numerical and categorical. Then, each category is divided into two subcategories: discrete or continuous for numeric variables, and nominal or ordinal for categorical variables.
In their investigations, psychologists frequently use several dependent variables. The main justification for this is that it makes it simple for them to quickly and cheaply respond to more study inquiries.
A naming scale is one in which variables are merely “named” or labelled, without regard to their order. Beyond just identifying them, the variables on an ordinal scale have a precise order.
Therefore, Labels, an order, and a specified interval are provided for each of the variable possibilities in an interval scale.
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What port on a name server is used for user datagram protocol (udp) name request packets?
The port name that is used on the server is port 53 over UDP for name resolution communications.
What is datagram protocol?A datagram protocol is a member of the internet protocol. With this system, we can send messages and texts to the other protocol systems in applications, and other hosts on internet data protocol.
Port 53 is used for sending requests to other ports, and it is a single request service used by UDP. It requires a single UDP request from the clients.
Thus, port 53 on a name server is used for user datagram protocol.
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If the timer is started on November 17 at 4:00 pm and stopped three seconds later, what will display under Time elapsed:
If the timer is started on November 17 the thing that display under Time elapsed is that seconds is undefined.
Which is an undefined variable?An undefined variable is known to be a kind of a variable that is often used in a kind of a program that was said to be not previously declared in a source code.
In a lot of programming languages, this can lead to an error. Hence, If the timer is started on November 17 the thing that display under Time elapsed is that seconds is undefined.
See full question below
Code Example 11-1
from datetime import datetime, time
def main():
input("Press Enter to start...")
start = datetime.now()
month = start.strftime("%B")
day = start.strftime("%d")
hours = start.strftime("%I")
minutes = start.strftime("%M")
am_pm = start.strftime("%p")
print("Start time:",month,day,"at",hours,":",minutes,am_pm)
input("Press Enter to stop...")
stop = datetime.now()
month = stop.strftime("%B")
day = stop.strftime("%d")
hours = stop.strftime("%I")
minutes = stop.strftime("%M")
am_pm = stop.strftime("%p")
print("Stop time: ",month,day,"at",hours,":",minutes,am_pm)
elapsed_time = stop - start
new_days = elapsed_time.days
new_minutes = elapsed_time.seconds // 60
new_hours = new_minutes // 60
new_minutes = new_minutes % 60
print("Time elapsed: ")
if new_days > 0:
print("days:",new_days)
print("hours:", new_hours, ", minutes:", new_minutes)
if __name__ == "__main__":
main()
Refer to Code Example 11-1: If the timer is started on November 17 at 4:00 pm and stopped on November 18 at 6:30 pm, what is the value of seconds at the end of the program?
a. 95400
b. seconds is undefined
c. 1800
d. cannot tell
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Modify the CharacterInfo class shown in Figure 7-3 so that the tested character is retrieved from user input.
The tested character is modified as given below. See the definition of tested character below.
What is characterization testing?Michael Feathers created the phrase "characterization testing."
A characterization test (also known as Golden Master Testing) in computer programming.
It is a method of describing (characterizing) the actual behavior of an existing piece of software and thereby protecting legacy code against unwanted modifications through automated testing.
What is the modified characterInfo class?Run on java, the modified characterInfo class is given as follows:
//import packages
import java.util.Scanner;
//Java class
public class InputCharacterInfo {
//entry point of the program , main method
public static void main(String[] args) {
//creating object of Scanner class
Scanner sc=new Scanner(System.in);
//asking user to enter character
System.out.print("Enter a character : ");
//reading character
char aChar=sc.next().charAt(0);
System.out.println("The character is "+aChar);
if(Character.isUpperCase(aChar))
System.out.println(aChar+" is uppercase");
else
System.out.println(aChar+" is not uppercase");
if(Character.isLowerCase(aChar))
System.out.println(aChar+" is lowercase");
else
System.out.println(aChar+" is not lowercase");
aChar=Character.toLowerCase(aChar);
System.out.println("After toLowerCase(), aChar is "+aChar);
aChar=Character.toUpperCase(aChar);
System.out.println("After toUpperCase(), aChar is "+aChar);
}
}
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Ed wants to make sure that his system is designed in a manner that allows tracing actions to an individual. Which phase of access control is Ed concerned about
The phase of access control that one can say that Ed is more concerned about is called Accountability.
What is accountability?Accountability is known to be one that removes the time and effort you that is used on distracting activities and a lot of unproductive behavior and it makes one to be more focused.
Hence, The phase of access control that one can say that Ed is more concerned about is called Accountability.
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A data analyst uses the SMART methodology to create a question that encourages change. This type of question can be described how
A data analyst uses the SMART methodology to create a question that encourages change, which can be described as an action-oriented question.
What is a data analyst?A data analyst is a professional that studies information in order to obtain any type of outcome.
In computers, data analysts can use the SMART methodology which includes diverse criteria to increase the chances of success.
In conclusion, a data analyst uses the SMART methodology to create a question that encourages change, which can be described as an action-oriented question.
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A project manager has designed a new secure data center and has decided to use multifactor locks on each door to prevent unauthorized access. Compare the following types of locks that the project manager may use to determine which example the facility is utilizing.
The types of locks that the project manager may use to determine which example the facility is utilizing is said to be a lock that needs an employee to be able to use a smart card and also a pin to enter at the same time.
How does multi-factor authentication work?Multi-factor Authentication (MFA) is known to be a kind of an authentication method that needs the user to give two or a lot of verification factors to be able to have access to a given resource e.g. application.
Note that it is said to be a vital aspect of a strong identity and access management (IAM) policy and therefore, the types of locks that the project manager may use to determine which example the facility is utilizing is said to be a lock that needs an employee to be able to use a smart card and also a pin to enter at the same time.
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Which are the three most used languages for data science?
Answer: python, JavaScript, scala
Explanation:
The five components of accounting systems are source documents, input devices, information processors, information storage, and output devices. Group startsTrue or False
Answer:
True
Explanation:
Source documents are business documents that track business transactions.
Input devices, like bar code scanners, keyboards, and modems, are tools used to enter transaction information into the accounting system.
Information processors take the raw data from the input devices and post it to ledgers, journals, and reports.
Information storage is the component of the system that stores the reports and ledgers created by the information processors.
Output devices like monitors, printers, and projectors are any devices that take information from the system storage and display it in a useful way.
These components are all what help an accounting system gather financial data, translate it into useful information, and communicate it with decision makers.
Answer:
true cause they are used to process information
The crosstab query wizard asks you to select fields for the _____, column headings, and values
The crosstab query wizard asks you to select fields for the row headings, column headings, and values.
What is crosstab?Image result for Crosstab Query Wizard prompts you to select the fields for the row titles, column titles and values. A crosstab query is a type of query. When you run a crosstab query, the results are displayed in a datasheet that has a different structure than other types of datasheets.
The row heading or row header is the gray-colored column located to the left of column 1 in the worksheet containing the numbers (1, 2, 3, etc.) used to identify each row in the worksheet.
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What tool allows you to search external competitive intelligence research?
Answer:
SocialPeta
Explanation:
What is the correct term for files copied to a secondary location for preservation purposes?.
The correct term for files copied to a secondary location for preservation purposes is backup.
What is a Backup?This refers to the movement of files from one location to another for storage purposes.
Hence, we can see that this is done in order to preserve the files so that should the first memory location get compromised, it can be easily retrieved and this helps to prevent data loss.
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When charlie attaches a file to an email message, the computer's __________ is responsible for managing his access to the location where the file is stored.
Answer:Operating system
Explanation:
When charlie attaches a file to an email message, the computer's File Management System is responsible for managing his access to the location where the file is stored. Data files are managed using file management software systems, sometimes known as file managers or file tracking software. Even though it is made to manage individual or group files, including records, office documents, and similar data, its capabilities are somewhat limited.
How files are stored on the computer?Folders and drives both contain storage for files and folders. A storage device is a piece of equipment that can keep data safe long after the computer has been turned off. Here are a few illustrations of storage units. A device that reads and writes data to the hard disk is a hard disk drive.
For file maintenance (or management) tasks, a file management system is utilized. It is a kind of software that controls how computer systems' data files are organized. A file management system, which is meant to manage individual or group files, such as unique office papers and records, has limited capabilities.
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Compared with a large-scale integrated multi-purpose computer, a quantum computer is a ____ computer.
Answer:
Compared with a large-scale integrated multi-purpose computer, a quantum computer is a high-powered multipurpose application of a quantum computer.
Which type of network is best for shayne?
PAN is known to be the type of network that is best for shayne.
What is PAN in a network?A personal area network (PAN) is known to be a form of an interconnection that is made by information technology devices and it is one that is found in the range of a specific person.
Hence, based on the above scenario, PAN is known to be the type of network that is best for shayne.
See options below
Shayne keeps his home office computer on his desk. He wants to use a wireless keyboard and mouse, and to send output to his printer and receive input from his scanner wirelessly. Which type of network is best for Shayne?
WAN
PAN
MAN
LAN
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Which type of loop is specifically designed to initialize, test, and increment or decrement a counter variable
A type of loop which is specifically designed and written to initialize, test, and increment or decrement a counter variable is referred to as a for loop.
What is a for statement?A for statement can be defined as a type of statement (loop) that is designed and written by a computer programmer to repeat an action or event in a software program for a specific number of time.
In Computer programming, a for statement is a type of loop which contains three expressions and these include the following:
InitializationTestUpdate (increment or decrement).In conclusion, we can infer and logically deduce that a for loop is a type of loop which is specifically designed and written to initialize, test, and update (increment or decrement) a counter variable
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Enter a formula in cell C13 to look up the registration fee for the first vehicle. Use the vehicle type in cell C4 as the Lookup_value argument. Use the RegistrationFees named range as the Table_array argument. The registration fees are located in column 2 of the data table. Require an exact match.
The formula that depicts the registration fee on the computer is Formula at C13 : =VLOOKUP(C4,Data!$B$10:$C$17,2,0)
How to illustrate the information?A computer program is a sequence or set of instructions in a programming language for a computer to execute.
Computer programs are one component of software, which also includes documentation and other intangible components. A computer program in its human-readable form is called source code
In this case, enter a formula in cell C13 to look up the registration fee for the first vehicle.
Then, one can use the vehicle type in cell C4 as the Lookup_value argument and then use the RegistrationFees named range as the Table_array argument.
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In a DTP project, Fiona is looking for a way to make a page layout attractive to readers. Help Fiona pick the correct word to complete the sentence.
You’ll need a(n) _____ to capture the attention of your audience. It can be an illustration, a photograph, a block of bold text, or a quote in a column of white space.
You’ll need a(n) a block of bold text to capture the attention of your audience.
How do you make text bold in pages?First one need to select Format and then Font and then Bold.
Note that by bolding a selected text, it can capture the mind of the people to the page layout.
Hence, You’ll need a(n) a block of bold text to capture the attention of your audience.
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what are the uses of recycle bin
Answer:
use of recycle bin-
It provides users the option to recover deleted files in Windows operating systems
The ____________ layer of the osi model is responsible for data format translation
Answer:
Presentation
Explanation:
The sixth layer of the OSI model, responsible for translation, encryption, authentication, and data compression.
Data Blank______ is the collection of data from various sources for the purpose of data processing. Multiple choice question. summary management aggregation
Answer: data aggregation
Explanation:
data aggregation
Write a while loop that adds 5 to userNum while userNum is less than 20, displaying the result after each addition. Ex: For userNum
#The loop that adds 5 to userNum while userNum is less than 20, displaying the result after each addition is given below.
What is a loop?A loop is a set of instructions in computer programming that is repeatedly repeated until a given condition is met.
The sample code related to the above function is given as?// declaring variable userNum
var userNum = 5;
// variable ans to store all answers and print them in single line
// (as expected in sample output)
var ans = "";
// while loop, while userNum is <= 20
// (to get output 25 on screen, we need to run loop till less-than-equal) while(userNum <= 20) {
userNum += 5;
ans += userNum + " ";
}
// displaying final output on console
console.log(ans);
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What is an effective fully automated way to prevent malware from entering your system as an email attachment
An effective fully automated way to prevent malware from entering your system as an email attachment is to ensure that all security patches and updates are installed.
What is malware?Malware is any software intentionally designed to cause disruption to a computer, server, client, or computer network, leak private information, gain unauthorized access to information or systems, deprive users access to information or which unknowingly interferes with the user's computer security and privacy.
Effective fully automated way to prevent malwareThe following ways can be used to prevent malware;
Make sure all security patches and updates are installedInstall updates and patches as soon as possible to protect against malware and other digital threats. Turn on automatic updates whenever possible. use unique and strong passwords to secure your account.Thus, an effective fully automated way to prevent malware from entering your system as an email attachment is to ensure that all security patches and updates are installed.
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