The function that counts the number of times a vowel exist in a string is as follows:
def count_vowels(string, dictionary):
vowels = 'aeiou'
dictionary = {}.fromkeys(vowels, 0)
for i in string:
if i in vowels:
dictionary[i] += 1
return dictionary
print(count_vowels("trouble", {}))
Code explanation.The code is written in python.
we defined a function named "count_vowels". The function accept a string and an empty dictionary.Then. we store the vowels in a variable vowels.The dictionary is used to store the key value pair i.e the vowels and the number of times they appear.We looped through the string.If any value in the string is in vowels, we increase the dictionary values by 1.Then, we return the dictionary.Finally, we call the function with it parameters.learn more on function here: https://brainly.com/question/27219031
How many bytes can be stored in a 4gb flash drive
Answer:
4,294,967,296; theoretically
Explanation:
There is 1024 bytes in a kb, 1024 kb in a mb, 1024 mb in a gb.
So we can use 1024³ as a multiplier to convert gb->byte.
1024³ * 4 = 4,294,967,296 bytes.
However, in practice hardrives always have less useable storage than the quoted amount.
Difference between centralized and decentralized processing in computer
a) Explain any two problems associated with the existing system used by the organization. (25 marks)
Answer:
Lack of Strategy
Many of the most common MIS issues can be traced back to a lack of a solid strategy. Information systems leaders are well aware of the many tools available to gather data on their network. But putting that information to use is often a challenge.
At one time, technology departments served as a separate operation, providing tech support and keeping an organization’s server equipment running. Today, MIS leadership often sits alongside other business leaders, working together to ensure that the technology being used supports the overall mission of the company moving forward.
Meeting Organizational Needs
MIS plays an ever-increasing role in organizations, with professionals relying on technology for every aspect of operations. Sales and marketing rely heavily on customer relationship software to track client interactions, for instance, while accounting needs its own software for billing, invoicing and financial tracking.
With more than half of all companies now relying on big data analytics, MIS is playing an even more important role. Before making a decision, today’s management teams are likely to pull reports on existing activity to ensure they use facts rather than make educated guesses.
Explanation:
A person entering the field of financial analysis
will end up taking what kind of classes in
college?
A. accounting
B. agriculture
C. astronomy
D. advertising
Answer:accounting
Explanation:
What should I do instead of listen to music?
Text based game project 1
Answer:
What is your question?
Explanation:
which of the following is an example of application software
Answer:
A messaging app
Explanation:
Its an software application you can download, so...yeah.
(You might've thought it was an anti-virus program lol)
Option-D.A messaging app is the correct answer.
A messaging app is an application software that can be installed jn your phone and computer in order to send messages.
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#SPJ2
What is information computer security
Answer:
Computer security, cybersecurity, or information technology security is the protection of computer systems and networks from information disclosure, theft of or damage to their hardware, software, or electronic data, as well as from the disruption or misdirection of the services they provide.
Explanation:
1.Skills
1.SkillsThe Top Skills Required for Cybersecurity Jobs
1.SkillsThe Top Skills Required for Cybersecurity JobsProblem-Solving Skills. ...
1.SkillsThe Top Skills Required for Cybersecurity JobsProblem-Solving Skills. ...Technical Aptitude. ...
1.SkillsThe Top Skills Required for Cybersecurity JobsProblem-Solving Skills. ...Technical Aptitude. ...Knowledge of Security Across Various Platforms. ...
1.SkillsThe Top Skills Required for Cybersecurity JobsProblem-Solving Skills. ...Technical Aptitude. ...Knowledge of Security Across Various Platforms. ...Attention to Detail. ...
1.SkillsThe Top Skills Required for Cybersecurity JobsProblem-Solving Skills. ...Technical Aptitude. ...Knowledge of Security Across Various Platforms. ...Attention to Detail. ...Communication Skills. ...
1.SkillsThe Top Skills Required for Cybersecurity JobsProblem-Solving Skills. ...Technical Aptitude. ...Knowledge of Security Across Various Platforms. ...Attention to Detail. ...Communication Skills. ...Fundamental Computer Forensics Skills. ...
1.SkillsThe Top Skills Required for Cybersecurity JobsProblem-Solving Skills. ...Technical Aptitude. ...Knowledge of Security Across Various Platforms. ...Attention to Detail. ...Communication Skills. ...Fundamental Computer Forensics Skills. ...A Desire to Learn. ...
1.SkillsThe Top Skills Required for Cybersecurity JobsProblem-Solving Skills. ...Technical Aptitude. ...Knowledge of Security Across Various Platforms. ...Attention to Detail. ...Communication Skills. ...Fundamental Computer Forensics Skills. ...A Desire to Learn. ...An Understanding of Hacking
2.Thesaurus
ThesaurusCybersecurity refers to the practice of securing electronic devices from unauthorized access or attack or the measures taken in pursuit of this practice.
3.Risk assessment
Risk assessmentWhat does a cybersecurity risk assessment include? A cybersecurity risk assessment identifies the various information assets that could be affected by a cyber attack (such as hardware, systems, laptops, customer data, and intellectual property), and then identifies the various risks that could affect those assets.
and last..........is four
4. Field
FieldDifferent branches of cyber security
FieldDifferent branches of cyber securityApplication security.
FieldDifferent branches of cyber securityApplication security.Network and infrastructure security.
FieldDifferent branches of cyber securityApplication security.Network and infrastructure security.Intrusion detection and penetration testing.
FieldDifferent branches of cyber securityApplication security.Network and infrastructure security.Intrusion detection and penetration testing.Digital forensics and incident response.
FieldDifferent branches of cyber securityApplication security.Network and infrastructure security.Intrusion detection and penetration testing.Digital forensics and incident response.Endpoint protection and mobile security.
FieldDifferent branches of cyber securityApplication security.Network and infrastructure security.Intrusion detection and penetration testing.Digital forensics and incident response.Endpoint protection and mobile security.Data governance, risk and compliance.
what is the name of the extension used to save publisher
Answer:
PUB
Explanation:
PUB IS THE NAME OF THE EXTENSION USED TO SAVE PUBLISHER
Name the test statement that can be used to test the following scenario:
The contents of the variable $TEST are equal to the string “success,” or the number 5, or the contents of the variable $RESULT.
The test statement is an illustration of conditional statements and logical operators.
The test statement is: if [[ "$TEST" == ”success” || "$TEST" == ”5” || "$TEST" == “$RESULT” ]]
How to name the test statement?From the question, we have the following scenarios:
Determine if $TEST equals "success"Or $TEST equals "5"Or $TEST equals $RESULTTo do this, we make use of the if conditional statement and the or logical operator.
The or operator is represented with ||
Since the programming language is in php, the test statement is: if [[ "$TEST" == ”success” || "$TEST" == ”5” || "$TEST" == “$RESULT” ]]
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Explain the main concept of Artificial Neural networks (ANN) as a set of layers that starts with an input layer that has sensors and the output layer that gives the predicted result (predictions) with hidden layers in between based on the ANN architecture and its specific type of application Knowledge One Individual Practical Assignment
Artificial Neural networks is a computational tool that is made up of a let of processing elements that takes in inputs and deliver outputs using a predefined activation codes.
What are the layers in an artificial neural network?There are 3 Artificial olfactory sense and recognition system that are found in ANN. It is made up of:
An input layer.An Hidden layer.An Output layer.Note that these layers above help to tell more about the Artificial Neural networks (ANN).
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Ncomputing and thin client
what it is
why is done , how it works and how it's
done
The term NComputing is known to be a form of desktop virtualization company that is said to creates hardware and software to form virtual desktops.
The term Thin clients is known to be virtual desktops. They help a lot of users at the same time to share a single operating system instance.
What is the aim of a thin client?In Ncomputer networking, a thin client is known to be a kind of low-performance computer that is known to be optimized and used for setting up a remote connection.
It is often used with a server-based computing system. The server here is one that often does most of the work, such as launching software programs, etc.
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What are the major benefits of preproduction?
Some of the benefits of preproduction are that it:
Saves time while producingKeeps you on a BudgetYou could have more time to think about how you are going to produce your production.Hope this could help?
How many categories of computer do we have?
Answer:
The 10 types of computers include personal computers, desktops, laptops, tablets, hand-held computers, servers, workstations, mainframes, wearable computers and supercomputers.
what is containment and why is it part of the planning process
Answer:
Isolating affected channels, processes, services, or computers; stopping the losses; and regaining control of the affected systems. It is part of the planning process to identify the best containment option for each scenario or system affected.
Explanation:
9) Which date is assigned the serial number of 1?
A. January 1, 1700
B. January 1, 2000
C. January 1, 1900
D. January 1, 1800
Answer:
c) January 1, 1900
Explanation:
January 1, 1900 (1 - 1 - 1900) is assigned the serial number of 1. The serial number 1 represents January 1, 1900. Hence, option (c) is the correct answer.
17) If you want to find the average salary (with each employee's salary found in column C) for those who are full time employees (which will have "FT" in column B), you would use the ________ function.
A. COUNTAVERAGE
B. IFAVERAGE
C. AVERAGE
D. AVERAGEIF
Answer:
AVERAGE
Explanation:
THIS is a function used in Microsoft Excel.
The steps to find average is
Sum/TotalHence
first we use AUtoSUM function to find sum then we use average to calculate
Answer:
AverageExplanation:
If you want to find the average salary (with each employee's salary found in column C) for those who are full time employees (which will have "FT" in column B), you would use the AVERAGE function.
The major goal of a good web information
a
retrieval system is
Answer:
Explanation:
The major objective of an information retrieval system is to retrieve the information – either the actual information or the documents containing the information – that fully or partially match the user's query.
ICT4AD was meant to modernize the civil service through E-governance implementation.
Explain why you believe that this policy has achieved or not achieved this goal?
ICT4AD work through E-governance implementation fail as a result of:
Lack of Infrastructure. High cost of running its affairs as it needs huge public expenditure. Issues with Privacy and Security and others.What is the aim of e-governance?The objectives of e-Governance is created so as to lower the level of corruption in the government and to make sure of fast administration of services and information.
Conclusively, It is known to fail due to the reasons given above and if they are worked on, the service would have prospered.
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What command allows the root user to create a crontab file for the user jdoe?
The command allows the root user to create a crontab file for the user jdoe is As root, execute crontab -e jdoe.
What is the command in crontab?The crontab command is known to be that often submits, make some editing, lists, or delete cron jobs.
Note that A cron job is a type of command that is often aided or run by the cron daemon at a consistent and scheduled times.
Conclusively, The As root, execute crontab -e jdoe command will give room for the root user to create a crontab file for the user named jdoe.
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every CAD application comes with a color menu to help you tailor your selections, mix them properly, and apply them in ways that meet your artistic expectations
true or false
every CAD application comes with a color menu to help you tailor your selections, mix them properly, and apply them in ways that meet your artistic expectations is a true statement.
What is a color CAD?In a CAD system, there is found to be colors that are known to be often and most commonly used to depict line weights.
Note that selecting different colors is easy using varying line thickness. One can then use these colors into layers to smooth the visibility of drawing components that you wants.
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Answer:true
Explanation:
nivel 1: operadores pedir 2 números al usuario y Sumarlos, restarlos, multiplicarlo y dividirlos
Answer:
¿Esta pregunta no tiene ningún sentido?
Explanation:
¿que estas pidiendo?
The algorithm solves the problem
of size n by recursively solving
sub-problems of size n – 1, and
then combining the solutions in
Q(n) time.
Looking at the question on algorithm above, the correct answer is: [tex]O( {2}^{n} )[/tex]
What is algorithm?Algorithm refers to a sequence of instructions that have been well-defined which helps to solve specific problems. Algorithm is used in computation.
The recurrence relation is:
T(n)=2.T(n-1)+c , n>0
T(n)=1, n=0.
Considering the back substitution method,
T(n) = 2kT(n-k)+ 2k-1c+....+20c
Substitute n-k=0
Therefore, we will have:
T(n) = 2nT(0)+ 2k-1c+....+20c
T(n) = [tex] {2}^{n - 1} + 1[/tex]
T(n) = [tex]O( {2}^{n} )[/tex]
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what is the future of web development
Answer:
Creating websites that can execute automated tasks and new programing languages revolving around web development.
Explanation:
what seemingly useless item can be of social, ecological or commercial value?
Some seemingly useless item can be of social, ecological or commercial value is money, behavior, death etc.
What is something really useless?A useless item are known to be things that are said to be rubbish.
They are items that is useless, of no value. Some useless item can be of social, ecological or commercial value is money, behavior, vehicles etc.
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Name three things that get information into a computer?
Answer:
Input devices do that. Three are the keyboard, a mouse, and a trackball.
Explanation:
9.12: Element Shifter
Write a function that accepts an int array and the array’s size as arguments. The function should create a new array that is one element larger than the argument array. The first element of the new array should be set to 0. Element 0 of the argument array should be copied to element 1 of the new array, element 1 of the argument array should be copied to element 2 of the new array, and so forth. The function should return a pointer to the new array. Demonstrate the function by using it in a main program that reads an integer N (that is not more than 50) from standard input and then reads N integers from a file named data into an array. The program then passes the array to your element shifter function, and prints the values of the new expanded and shifted array on standard output, one value per line. You may assume that the file data has at least N values.
Prompts And Output Labels. There are no prompts for the integer and no labels for the reversed array that is printed out.
Input Validation. If the integer read in from standard input exceeds 50 or is less than 0 the program terminates silently.
The Element shifter program illustrates the use of functions and arrays
Arrays are used to hold multiple valuesFunctions are used as subroutines of a programThe Element shifter programThe Element shifter program written in C++, where comments are used to explain each action is as follows:
#include <iostream>
using namespace std;
//This declares the ElementShifter function
int* ElementShifter(int *arr, int size){
//This declares the new array
int *newArr = new int[size * 2];
//The following loop populates the new array
for (int i = 0; i < size * 2; i++) {
if(i == 0){
*(newArr+i) = 0;
}
else if(i < size+1){
*(newArr+i) = *(arr+i-1);
}
else{
*(newArr+i) = 0;
}
}
//This returns a pointer to the new array
return newArr;
}
//The main method begins here
int main(){
//This declares and gets input for N
int N; cin>>N;
int myArr[N];
//If N is between 1 and 50
if(N > 0 && N <=50){
//This populates the array
for(int i = 0; i<N; i++){
cin>>myArr[i];
}
//This calls the Element shifter function
int *ptr = ElementShifter(myArr, N);
//This prints the new array
for (int i = 0; i < N*2; i++) {
cout << ptr[i] << " ";
}
}
return 0;
}
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Difference between single dimensional array and double dimensional array
Computer A uses Stop and Wait ARQ to send packets to computer B. If the distance between A and B is 40000 km, the packet size is 5000 bytes and the
bandwidth is 10Mbps. Assume that the propagation speed is 2.4x108m/s
a) How long does it take computer A to receive acknowledgment for a packet?
b) How long does it take for computer A to send out a packet?
The time that it takes the computer to receive acknowledgment for a packet is 0.1667 seconds. The time it takes to send out a packet is 4 x 10⁻³seconds
1 The acknowledgment time for the packetspeed = 2.4x108m/s
Distance = 40000 km,
Time = distance/ speed
= 40000 x10³/ 2.4x10⁸m/s
= 0.1667
The time that it take is 0.1667 seconds.
b. Number of bytes = 5000
5000x 8 = 40000bits
10 mbps = 10000 kbps
10000 kbps = 10000000
packet size / bit rate = 40000/10000000
= 4 x 10⁻³seconds to send a packet out
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What command is used to list at jobs that are scheduled for execution?
The command that is used to list at jobs that are scheduled for execution is The at command.
What is the at command?This is known to be a kind of a Linux command-line utility. It function mainly to book down a job for future execution.
Conclusively. This kind of utility is one that reads commands from standard input and them bind them together into an at job, which can only be executes only once at a time.
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