is a short-range wireless communication technology that acts as a supporting technology for mobile commerce (m-commerce) applications. a. bluetooth b. e-procurement c. a 4g network
Answers
Bluetooth is a short-range wireless technology for communication that supports mobile commerce (m-commerce) applications.
Is there a short-range wireless communication system that supports mobile?A short-range wireless networking technology called near-field communication (NFC) employs magnetic field induction to allow communication between devices when they are touched or brought within a few centimeters of one another.
Do mobile commerce applications require short-range wireless communication technologies?Applications for mobile commerce cannot be used with short-range wireless communication technology. WWANs, 3G, and 4G networks, along with short-range wireless communication technologies including Wi-Fi, WiMAX, Bluetooth, and RFID, are supporting technologies for m-commerce applications.
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Related Questions
Why do we have to watch a video to get answers?
Answers
Answer:
The videos contain the answers.
Explanation:
Hey there!
Watching a video can help understand the concept better. If you watch the video, you will learn more. It's also a benefit to watch a video. For many people who can't understand, they can learn by watching the video. So this is a good way to understand things better: watching a video.
Hope this helps!
how to send the same email to multiple recipients separately.?
Answers
BCC stands for Blind Carbon Copy and is used when you want to send an email to multiple recipients without any of the recipients seeing the other recipients' email addresses.
What is BCC ?Blockchain technology is a distributed, digital ledger that securely records transactions between two parties in a verifiable and permanent manner. The ledger is updated and stored on multiple computers, making it virtually impossible to alter or tamper with. BCC stands for Bitcoin Cash, which is a cryptocurrency that was created as a result of a hard fork from the original Bitcoin blockchain.
To use the BCC field, open up the email and click on the BCC button. This will open up a new field where you can enter all of the recipients of the email. Once you have added all of the recipients, click send and the email will be sent to each recipient separately.
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BCC stands for Blind Carbon Copy and is used when you want to send an email to multiple recipients without any of the recipients seeing the other recipients' email addresses.
What is BCC ?Blockchain technology is a distributed, digital ledger that securely records transactions between two parties in a verifiable and permanent manner. The ledger is updated and stored on multiple computers, making it virtually impossible to alter or tamper with. BCC stands for Bitcoin Cash, which is a cryptocurrency that was created as a result of a hard fork from the original Bitcoin blockchain.
To use the BCC field, open up the email and click on the BCC button. This will open up a new field where you can enter all of the recipients of the email. Once you have added all of the recipients, click send and the email will be sent to each recipient separately.
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You guys can put A. B. C. or D.
Answers
Answer:
A
Explanation:
Which activity might be a job or task of an IT worker who manages work
Answers
Answer: Sets up a LAN for the office
Explanation:
The activity that might be a job or task of an IT worker who manages work is the setting up of a local area network for the office.
Through the setting up of the local area network, the computers in the company can be interconnected together within the organization.
Write an LMC program as follows instructions:
A) User to input a number (n)
B) Already store a number 113
C) Output number 113 in n times such as n=2, show 113
113.
D) add a comment with a details exp
Answers
The LMC program takes an input number (n) from the user, stores the number 113 in memory, and then outputs the number 113 n times.
The LMC program can be written as follows:
sql
Copy code
INP
STA 113
INP
LDA 113
OUT
SUB ONE
BRP LOOP
HLT
ONE DAT 1
Explanation:
A) The "INP" instruction is used to take input from the user and store it in the accumulator.
B) The "STA" instruction is used to store the number 113 in memory location 113.
C) The "INP" instruction is used to take input from the user again.
D) The "LDA" instruction loads the value from memory location 113 into the accumulator.
E) The "OUT" instruction outputs the value in the accumulator.
F) The "SUB" instruction subtracts 1 from the value in the accumulator.
G) The "BRP" instruction branches back to the "LOOP" label if the result of the subtraction is positive or zero.
H) The "HLT" instruction halts the program.
I) The "ONE" instruction defines a data value of 1.
The LMC program takes an input number (n) from the user, stores the number 113 in memory, and then outputs the number 113 n times.
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A personal computer is also called _________ as it is one the smallest computers created for people
Answers
Answer:
The original computers were huge, often as big as a room in a building. Even today some business and scientific computers are huge. However any small computer now for home or desktop or laptop use is called a personal computer.
Explanation:
Answer:
it is also known as a microcomputer
What ipv4 address class has the ip address 221. 1. 2. 3?
Answers
The IPv4 address class of 221.1.2.3 is Class C. The IPv4 protocol uses address classes to define the size of the network portion of the address and the number of hosts that can be assigned to it.
The first octet of the IP address determines the address class. Class C addresses have their first three bits set to 110 and the fourth bit set to 0, which allows for 24 bits to be used to define the network portion of the address. This means that Class C networks can support up to 256 (2^8) hosts per network and are commonly used in small to medium-sized businesses.In computer networking, an IPv4 address is a unique identifier assigned to devices on a network using the Internet Protocol version 4. IPv4 addresses are 32-bit binary numbers that are typically represented in human-readable format as a series of four decimal numbers separated by periods. Each of these decimal numbers represents a byte of the binary number, with values ranging from 0 to 255. IPv4 addresses are divided into classes based on the range of values in the first byte, with Class A addresses having a range from 1 to 126, Class B addresses from 128 to 191, and Class C addresses from 192 to 223. The remaining address ranges are reserved for special purposes, such as multicast or private networks.
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HELP ME PLZ IM AM STUCK ON THIS I NEED AWNSERS
Answers
Answer:
What are your cards?? I may be able to help you if you put your cards. :)
Explanation:
Click to review the online content. Then answer the question(s) below, using complete sentences. Scroll down to view additional questions.
Online Content: Site 1
Explain how to determine if an online source is credible. (site 1)
Answers
Determining if an online source is credible is an important skill for research and academic purposes. There are many factors that can help you evaluate the reliability and trustworthiness of a website or an article.
What are some common criteria to check source credibility?
Origin: Check to see if the website was created by a reputable organisation or author. The URL or copyright information can be used to identify the author. Trustworthy websites usually end in .org, .edu, .gov, or any recognizable web address.Currency: Check if the information is up-to-date and current. You can look at the date of publication or update on the website or article. Outdated information may not reflect the latest developments or research on a topic.Relevance: Check if the source is relevant to your research topic and purpose. You can look at the title, abstract, introduction, and conclusion of an article to see if it matches your research question and scope.Authority: Check if the author and publication are a trusted authority on the subject you are researching. You can look at their credentials, affiliations, publications, citations, and reputation in their field.Accuracy: Check if the information is factual, verifiable, and supported by evidence. You can look at the sources that the author cited and see if they are easy to find, clear, and unbiased. You can also cross-check with other sources to confirm the accuracy of the information.Purpose: Check if the source has a clear purpose and audience. You can look at the tone, language, style, and bias of the source to see if it is objective, informative, persuasive, or entertaining. You should avoid sources that have hidden agendas, conflicts of interest, or misleading claims.These are some general guidelines that you can follow when evaluating online sources for credibility. However, you should also use your own critical thinking skills and judgment when deciding whether a source is suitable for your research.
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A popular game allows for in-app purchases to acquire extra lives in the game. When a player purchases the extra lives, the number of lives is written to a configuration file on the gamer's phone. A hacker loves the game but hates having to buy lives all the time, so they developed an exploit that allows a player to purchase 1 life for $0.99 and then modifies the content of the configuration file to claim 100 lives were purchased before the application reading the number of lives purchased from the file. Which of the following type of vulnerabilities did the hacker exploit?
a. Sensitive data exposure.
b. Dereferencing.
c. Broken authentication.
d. Race condition.
Answers
Based on the fact that the hacker's actions are done before the application reading of the lives purchased, this is d. Race condition.
What is a race condition?This is when certain processes in an application depend on the timing of a a previous process or event. The flow of information can then be intercepted before the process completes.
This is what the hacker did here by accessing the application to change the number of lives purchased before the application read the number of lives purchased.
In conclusion, option D is correct.
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Critically review the different types of ERP software, along
with their strengths and weaknesses, such as Off-the-shelf,
In-house, and Open-Source ERPs
Answers
There are different types of ERP software available, including off-the-shelf, in-house, and open-source ERPs. Each type has its strengths and weaknesses. Off-the-shelf ERPs offer pre-built solutions with extensive functionalities but may lack customization options. In-house ERPs provide tailored solutions to meet specific business requirements but can be costly and time-consuming to develop.
Open-source ERPs offer flexibility and cost-effectiveness, allowing customization and collaboration but may require technical expertise for implementation and ongoing maintenance. Off-the-shelf ERPs, such as SAP and Oracle, are popular due to their comprehensive features and wide industry acceptance. They provide a ready-made solution that can be quickly implemented, reducing development time and costs. However, they may lack customization options and may require businesses to adapt their processes to fit the software's functionality.
In-house ERPs are built from scratch, allowing organizations to tailor the system to their specific needs. This provides maximum control and customization possibilities, ensuring a perfect fit for the business. However, in-house ERPs can be expensive and time-consuming to develop, requiring significant resources and technical expertise. Additionally, ongoing maintenance and updates can be challenging.
Open-source ERPs, like Odoo and ERPNext, offer flexibility and cost-effectiveness. They provide access to the source code, allowing customization and collaboration within the developer community. Open-source ERPs can be more affordable and adaptable to changing business requirements. However, implementation and maintenance require technical expertise, and support may rely on community forums.
Ultimately, the choice of ERP software depends on the organization's specific needs, budget, resources, and technical capabilities. It is important to carefully evaluate the strengths and weaknesses of each type before selecting the most suitable option.
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Embedded computers are standalone products that have many functions.truefalse
Answers
True. Embedded computers are self-contained electronic devices with a range of capabilities such as computing, communication, data storage and manipulation, and control of external devices.
Embedded computers are self-contained electronic devices with a range of capabilities such as computing, communication, data storage and manipulation, and control of external devices. They are designed to be used in specific applications and are generally smaller and more efficient than general purpose computers. Embedded computers are typically used in a wide range of applications from consumer electronics and industrial automation to robotics, military systems, and aerospace. They are often used for their reliability, energy efficiency, and small size. Embedded computers can be programmed to perform specific tasks and often contain specialised hardware to allow them to interact with their environment. They are also highly customisable to allow for the integration of additional features and functions. Embedded computers can be used for tasks such as data acquisition, real-time control, machine vision, and data analysis.
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Sofia is reading a difficult text for class and worries that she won't complete it by the given deadline. How can a text-
to-speech tool best help her?
It can improve her comprehension.
o It can help her with vocabulary words.
It can increase the pace of her reading
It can provide her with a summary
Answers
Answer:
It can improve her comprehension.
It can help her with vocabulary words.
It can increase the pace of her reading.
It can provide her with a summary.
Explanation:
edge 2020
Answer: C it can increase the pace of her reading
Please provide me a step by step and easy explanation as to why the following code is the solution to the prompt. Please be specific and showing examples would be much appreciated. Also, please be mindful of your work, since I have experience of receiving answers that seems like the "expert" didn't even read the question. Thank you.
Write a function, quickest_concat, that takes in a string and a list of words as arguments. The function should return the minimum number of words needed to build the string by concatenating words of the list.
You may use words of the list as many times as needed.
If it is impossible to construct the string, return -1.
def quickest_concat(s, words):
memo = {}
result = _quickest_concat(s, words, memo)
if result == float('inf'):
return -1
else:
return result
def _quickest_concat(s, words, memo):
if not s:
return 0
if s in memo:
return memo[s]
result = float('inf')
for w in words:
if s.startswith(w):
current = 1 + _quickest_concat(s[len(w):], words, memo)
result = min(result, current)
memo[s] = result
return result
To be more specific, I don't understand the purposes of memo, float('inf'), and min(), etc, in this function.
Answers
memo = {}
result = _quickest_concat(s, words, memo)
if result == float('inf'):
return -1
else:
return result
The quickest_concat function is the main function that takes in a string s and a list of words words. It initializes a dictionary memo to store previously computed results for optimization. It then calls the helper function _quickest_concat to calculate the minimum number of words needed to build the string s from the list of words.
def _quickest_concat(s, words, memo):
if not s:
return 0
if s in memo:
return memo[s]
result = float('inf')
for w in words:
if s.startswith(w):
current = 1 + _quickest_concat(s[len(w):], words, memo)
result = min(result, current)
memo[s] = result
return result
The _quickest_concat function is a recursive helper function that performs the actual computation. It takes the string s, the list of words words, and the memo dictionary as arguments.
The base case if not s: checks if the string s is empty. If it is, it means we have successfully built the entire string, so we return 0 (no additional words needed).
The next condition if s in memo: checks if the result for the current string s has already been computed and stored in the memo dictionary. If it is, we simply return the precomputed result, avoiding redundant computations.
If the current string s is not in the memo dictionary, we initialize the result variable with a large value float('inf'), representing infinity. This value will be updated as we find smaller values in subsequent iterations.
We iterate through each word w in the list of words. If the string s starts with the word w, it means we can concatenate w with the remaining part of the string.
We recursively call _quickest_concat on the remaining part of the string s[len(w):] and add 1 to the result since we have used one word.
We update the result variable with the minimum value between the current result and the newly computed current value. This ensures that we keep track of the smallest number of words needed to construct the string s.
Finally, we store the result in the memo dictionary for future reference and return the result.
(In Summary) The quickest_concat function takes in a string and a list of words and calculates the minimum number of words needed to construct the string by concatenating words from the list. The code uses recursion, memoization, and comparison with float('inf') and min() to efficiently find the solution while avoiding unnecessary computations.
The use of "memo", "float('inf')", and "min()" in the provided code is to optimize the computation by storing intermediate results, handling special cases, and finding the minimum value respectively.
What is the purpose of "memo", "float('inf')", and "min()" in the given code?In the provided code, the variable "memo" is used as a memoization dictionary to store previously computed results. It helps avoid redundant computations and improves the efficiency of the function. By checking if a specific string "s" exists in the "memo" dictionary, the code determines whether the result for that string has already been computed and can be retrieved directly.
The value "float('inf')" is used as an initial value for the variable "result". It represents infinity and is used as a placeholder to compare and find the minimum number of words needed to construct the string. By setting the initial value to infinity, the code ensures that the first calculated result will be smaller and correctly updated.
The "min()" function is used to compare and find the minimum value among multiple calculated results. In each iteration of the loop, the variable "current" stores the number of words needed to construct the remaining part of the string after removing the matched prefix.
The "min()" function helps update the "result" variable with the minimum value obtained so far, ensuring that the function returns the minimum number of words required to build the string.
By utilizing memoization, setting an initial placeholder value, and finding the minimum value, the code optimizes the computation and provides the minimum number of words needed to construct the given string from the provided list of words.
Memoization, infinity as a placeholder value, and the min() function to understand their applications in optimizing algorithms and solving similar problems.
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An array named Ages holds 10 different ages. Write pseudo-code to increase each age in the array by one. The Ages array should be initialised as follows:
Answers
Answer:
Ages = [12, 15, 20, 18, 25, 30, 40, 32, 28, 50]
for i = 0 to 9 do
Ages[i] = Ages[i] + 1
end for
Explanation:
The above code initializes the Ages array with 10 different ages. The for loop iterates through the array, and for each element, it increases its value by 1. The loop starts at index 0 and goes up to index 9, which are the indices of the 10 elements in the array. After the loop completes, the Ages array will contain the original ages increased by 1.
Need the answer ASAP!!!!!!!!
I’ll mark brainliest if correct
Drag each label to the correct location on the image. Match the correct component to the part on the flowchart
Procedure 1
subroutine
procedure 2
decision
input
End
Start
Answers
Answer:
Start
subroutine
imput
decision
Procedure 1
procedure 2
End
Explanation:
Consider the following code:
C = 100
C = C + 1
C = C + 1
print (c)
What is output?
Answers
Answer:
The output of C is 102.
100 + 1 + 1 = 102
Each webpage is assigned a(n) ________, an address that identifies the location of the page on the internet.
Answers
Each webpage is assigned a uniform resource locator (URL), an address that identifies the location of the page on the internet.
What is assigned to a webpage to identify its location?A URL (Uniform Resource Locator) is known to be a kind of a special form of identifier that is known to be used a lot to be able to find a resource on the Internet. It is known to be a term that is often called the web address.
Note that all webpage is assigned this address that identifies the place of the page on the Internet and a such, Each webpage is assigned a uniform resource locator (URL), an address that identifies the location of the page on the internet.
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Write a program to:
• It will collect and output some basic data about the user such as name, and gender which will be
displayed with an accompanying welcome message [3]
• Use appropriate data structures to store the item code, description and price information for
the mobile devices, SIM cards and accessories [2]
• Allow the customer to choose a specific phone or tablet [3]
• Allow phone customers to choose whether the phone will be SIM Free or Pay As You Go [2]
• Calculate the total price of this transaction [4]
• Output a list of the items purchased and the total price. [3]
• Any other choice outside of these three categories would give out appropriate message to the
user and requesting the user to make a new choice. [2]
Answers
According to the question, a program using appropriate data structures are given below:
#include <iostream>
#include <string>
#include <vector>
#include <map>
using namespace std;
int main() {
string name;
string gender;
cout << "Please enter your name: ";
cin >> name;
cout << "Please enter your gender (male/female): ";
cin >> gender;
cout << "Welcome " << name << ", you are a " << gender << ".\n\n";
map<string, vector<string>> items;
items["mobile"] = {"iphone11", "1000", "samsungs20", "800"};
items["sim"] = {"sim1", "30", "sim2", "40"};
items["accessories"] = {"charger", "20", "headphone", "30"};
string choice;
cout << "Please choose a device (mobile/sim/accessories): ";
cin >> choice;
string phone;
if (choice == "mobile") {
cout << "Which phone do you want to buy (iphone11/samsungs20) ? ";
cin >> phone;
cout << "Do you want to buy a SIM Free or Pay As You Go ? ";
cin >> choice;
}
int totalPrice = 0;
for (auto item : items[choice]) {
totalPrice += stoi(item);
}
cout << "You have chosen " << phone << " (SIM Free/Pay As You Go) and your total price is: " << totalPrice << endl;
if (choice != "mobile" && choice != "sim" && choice != "accessories") {
cout << "Please choose a valid item from the list (mobile/sim/accessories)." << endl;
}
return 0;
}
What is data structures?Data structures are the way in which data is organized and stored in a computer system. Data structures provide a means to manage large amounts of data efficiently, such as large databases and internet indexing services. Data structures are used in almost every program or software system. They are essential in providing an efficient way to store and retrieve data. Data structures are divided into two categories: linear and non-linear. Linear structures include arrays, linked lists, stacks, and queues.
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Which network device will a network administrator most likely configure to allow this connection?
Answers
A network administrator will most likely configure a firewall to allow this connection.
Network devices, also known as networking hardware, are physical devices that allow hardware on a computer network to communicate and interact with one another. For example Repeater, Hub, Bridge, Switch, Routers, Gateway, Brouter, and NIC, etc.
A firewall is a network device that acts as a barrier between a trusted internal network and an untrusted external network, such as the internet. It can be configured to enforce security policies and control the flow of network traffic.
By setting up appropriate rules and configurations on the firewall, the network administrator can allow or block specific types of connections. In this case, the network administrator would configure the firewall to allow the specific connection that needs to be established.
To enable the desired connection, a network administrator will typically configure a firewall. Firewalls provide an essential layer of security and control in a network environment, allowing administrators to define and manage access to network resources based on specific criteria and policies.
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Which of the following is not a characteristic of a large database?
a) Optstore items in a filing cabinet.
b) Stores items in a computer such as music.
c) stores large amounts of items such as an online store.
d) can be used as a small recipe book.
Answers
application software is made for the computer’s proper operation, while system software aims to make users more productive. true or false?
Answers
False. System software is responsible for the computer's proper operation, while application software is designed to provide specific functionality and make users more productive.
Software is a collection of instructions, data, or computer programs that are used to run machines and carry out particular activities. It is the antithesis of hardware, which refers to a computer's external components. A device's running programs, scripts, and applications are collectively referred to as "software" in this context.
Examples of computer software include operating systems, which make it simple to use a computer's processing power, as well as programs like Firefox and Notepad. Software may be physically kept on the hard drive or in another place, like a USB drive, or it may be hosted in the cloud online.
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False.
The statement is actually the opposite of the truth.
System software is designed to manage and control the operation of computer hardware, provide a platform for running application software, and help users interact with the computer.
Application software is designed to help users be more productive, while system software ensures the proper functioning of the computer system.
It reverses the roles of these two types of software.
The roles of application software and system software are reversed in the statement.
Application software is designed to make users more productive or to perform specific tasks, while system software is made for the computer's proper operation.
Application software refers to programs that are designed to help users complete tasks or be more productive, such as word processors, spreadsheets, and graphic design software.
These programs are created to facilitate specific tasks, and users typically interact with them directly.
On the other hand, system software is designed to ensure that the computer's hardware and application software function correctly.
This type of software includes the operating system, device drivers, and utilities.
System software acts as an intermediary between the user and the computer hardware, managing resources and ensuring smooth operation.
Users do not typically interact with system software directly but benefit from its functioning in the background.
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explain how the internet works
Answers
How does the Internet Work?
The Internet works through a packet routing network in accordance with the Internet Protocol (IP), the Transport Control Protocol (TCP) and other protocols.
Hope this helps you!
Explanation:
The internet is a worldwide computer network that transmits a variety of data and media across interconnected devices. It works by using a packet routing network that follows Internet Protocol (IP) and Transport Control Protocol (
Marking brainlyest look at the picture
Answers
write down the features of spread sheet package
Answers
Answer:
Features of Spreadsheet
Microsoft Excel is easy to learn and thus, it does not require any specialised training programme.
MS Excel basically provides an electronic spreadsheet where all the calculations can be done automatically through built in programs
Spreadsheets are required mainly for tabulation of data . It minimizes manual work and provides high degree of accuracy in results
It also provides multiple copies of the spreadsheets
It presents the information in the form of charts and graphics.
Uses
By default, it creates arrangement of data into columns and rows called cells .
The data that is input into the spreadsheet can be either in the form of numbers, strings or formulae.
The inbuilt programs allow you to change the appearance of the spreadsheet, including column width, row height, font colour and colour of the spreadsheet very easily .
You can choose to work with or print a whole spreadsheet or specify a particular area, called a range
______Is the visual computer display of the essential information related to achieving a marketing objective. (one word)
Answers
Main Answer:
A marketing dashboard is the visual computer display of the essential information related to achieving a marketing objective
Sub heading:
what is marketing dashboard?
Explanation:
1.A marketing dashboard is the visual computer display of the essential information related to achieving a marketing objective.
2.marketing means sharemarket
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1. Have you ever witnessed an instance of cyberbullying? What happened? If you haven't witnessed cyberbullying, imagine and explain what an instance might look like.
2. What are some steps the victim could have taken in a cyberbullying situation?
3. What are some steps that bystanders could have taken in a cyberbullying situation?
Answers
1. An instance may be a person getting ridiculed because of how they type or losing an online game.
2. The victim could report and/or block the bully or bullies.
3. A bystander could report the bully or bullies.
what is the correct java syntax to output the sentence: My dog's name is "dee-dee"?
Answers
Answer:
System.out.println("My dog's name is \"dee-dee\"");
Explanation:
You need to use the backslash to use quotes inside a string.
Consider the following incomplete code segment, which is intended to increase the value of each digit in a String by one. For example, if num is 12345, then the resulting String would be 23456.
String num = "12345";
int counter = 0;
String result = "";
while(/* Missing Loop Header */)
{
int newNum = Integer.valueOf(num.substring(counter,counter+1));
result+= (newNum + 1);
counter++;
}
System.out.println(result);
Which of the following should replace /* Missing Loop Header */ so that the code segment works as intended?
counter < num.length() - 1
counter <= num.length()
counter < num.length()
counter > num.length()
counter < num.indexOf(counter)
Answers
The instruction that should replace /* Missing Loop Header */ so that the code segment works as intended is (c) counter < num.length()
LoopsThe program is an illustration of loops (the while loop)
While loops are program statements that are used to perform repeated operations
For the string to return 23456, the while loop body must be repeated as long the counter is less than the length of the string num
Hence, the missing loop header is counter < num.length()
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Select the correct answer from each drop-down menu. What data types can you suggest for the given scenario? Miles is working on a program that asks the user a question and accepts and stores a true or false value using a ____ variable. The program also displays the user’s name stored as a ____.
Answers
The data types I would suggest for the given scenario are strings and integers. Miles is working on a program that asks the user a question and accepts and stores a true or false value using a Boolean variable. The program also displays the user’s name stored as a 16 bit (2 byte).
What is Boolean logic?Boolean logic can be defined as a theory in mathematics that was developed by the prominent British mathematician, George Boole.
In Boolean logic, all variables are either true or false, and they are generally denoted by the number "1" or "0" respectively as indicated below;
True = 1.False = 0.The kinds of data type.In Computer programming, there are four (4) common data types and these include:
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