3) An algorithm has a run time of O(nk ) for some integer k. On an input of size 500, the algorithm takes 16 seconds to run. On an input of size 750, the algorithm takes 81 seconds to run. What is the value of k?
Answers
Answer:
The value of k is 4
Explanation:
Solution
Given that:
k = integer
Input size = 500
The algorithm takes a run of = 16 seconds
Input size = 750
The algorithm takes a run of = 81 seconds
Now,
We have to determine the value of k
The equation is shown below:
(500)^k /16 = (750) ^k /81
Thus
(750/500)^ k = 81/16
= (3/2)^k
=(3/2)^ 4
k is = 4
Related Questions
Search the Internet and scan IT industry magazines or Web sites to find an example of an IT project that had problems due to organizational issues. Write a short paper summarizing the key stakeholders for the project and how they influenced the outcome.
Answers
This system aimed to replace an obsolete technology jumble with a more advanced system for earnings monitoring and paychecks for 95,000 teachers, managers, custodians, and other district staff, though and it didn't work and from the start of the project, code bugs and flaws arose.
The Los Angeles Unified School District faced a problem in Jan 2007.For a $95 million project, they developed SAP software. Some professors were unpaid, some overpaid, some unpaid.The school system needed a year and a further $37m to correct the problems. Downtown and Deloitte decided in November of 2008 to resolve a dispute over the work with the contractor agreeing to return $8.25 million in overdue invoices to forgive $7 million to $10 million.The parties involved did the right thing in this case by bringing the subject to the public. It helped create the result they wanted in this way. The proceedings were filed, even if customers did not have their money back, but at minimum people received some reimbursements.Learn more:
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What is the easiest way to create a resume in Word with predefined content that can be replaced with your information?
Answers
The easiest way to create a resume in Word with predefined content that can be replaced with your information is to use a resume template.
What is resume?
A resume, often known as a curriculum vitae (CV) in English outside of North America, is a document written and utilised by an individual to present their background, abilities, and accomplishments. Resumes can be used for a variety of reasons, but they are most commonly utilised to find new job. A CV often includes a "summary" of relevant employment experience and education. The resume is frequently one of the first items a potential employer sees about the job seeker, along with a cover letter and sometimes an application for employment, and is typically used to screen applicants, often followed by an interview.
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Write a copy assignment operator for CarCounter that assigns objToCopy.carCount to the new objects's carCount, then returns *this. Sample output for the given program:
Answers
Answer:
Here is the copy assignment operator for CarCounter:
CarCounter& CarCounter::operator=(const CarCounter& objToCopy) {
carCount = objToCopy.carCount;
return *this; }
The syntax for copy assignment operator is:
ClassName& ClassName :: operator= ( ClassName& object_name)
In the above chunk of code class name Is CarCounter and object name is objToCopy.
Assignment operator = is called which assigns objToCopy.carCount to the new objects's carCount.
This operator basically is called when an object which is already initialized is assigned a new value from another current object.
Then return *this returns the reference to the calling object
Explanation:
The complete program is:
#include <iostream> //to use input output functions
using namespace std; //to access objects like cin cout
class CarCounter { //class name
public: // public member functions of class CarCounter
CarCounter(); //constructor of CarCounter
CarCounter& operator=(const CarCounter& objToCopy); //copy assignment operator for CarCounter
void SetCarCount(const int setVal) { //mutator method to set the car count value
carCount = setVal; } //set carCount so setVal
int GetCarCount() const { //accessor method to get carCount
return carCount; }
private: //private data member of class
int carCount; }; // private data field of CarCounter
CarCounter::CarCounter() { //constructor
carCount = 0; //intializes the value of carCount in constructor
return; }
// FIXME write copy assignment operator
CarCounter& CarCounter::operator=(const CarCounter& objToCopy){
/* copy assignment operator for CarCounter that assigns objToCopy.carCount to the new objects's carCount, then returns *this */
carCount = objToCopy.carCount;
return *this;}
int main() { //start of main() function
CarCounter frontParkingLot; // creates CarCounter object
CarCounter backParkingLot; // creates CarCounter object
frontParkingLot.SetCarCount(12); // calls SetCarCount method using object frontParkingLot to set the value of carCount to 12
backParkingLot = frontParkingLot; //assigns value of frontParkingLot to backParkingLot
cout << "Cars counted: " << backParkingLot.GetCarCount(); //calls accessor GetCarCount method to get the value of carCount and display it in output
return 0; }
The output of this program is:
Cars counted = 12
You have an Azure private DNS zone named contoso.com that contains the following records:
at of type SOA, which is NOT auto-registered
at of type A, which is NOT auto-registered
Server1 of type A, which is auto-registered
Server2 of type TXT, which is NOT auto-registered
Which three records can be deleted from contoso.com?
Select all answers that apply.
at of type SOA
at of type A
Server1 of type A
Server2 of type TXT
Answers
The three records that can be deleted from contoso.com are:
A. at of type SOA
B. at of type A
D. Server2 of type TXT
What is the Azure private DNS?In Azure Private DNS, a zone is a container for DNS records, which map domain names to IP addresses. Each zone contains a set of records, including Start of Authority (SOA), Address (A), and Text (TXT) records, among others.
All of the records listed can be deleted from contoso.com. The SOA, A and TXT records are not auto-registered, which means they were created and managed by the administrator and can be deleted.
Note that Server1 of type A is auto-registered by Azure, it is created and managed automatically, it's not recommended to delete it directly as it may cause unexpected issues in the future.
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You have an Azure subscription that contains the following fully peered virtual networks: VNet1, located in the West US region. 5 virtual machines are connected to VNet1. VNet2, located in the West US region. 7 virtual machines are connected to VNet2. VNet3, located in the East US region, 10 virtual machines are connected to VNet3. VNet4, located in the East US region, 4 virtual machines are connected to VNet4. You plan to protect all of the connected virtual machines by using Azure Bastion. What is the minimum number of Azure Bastion hosts that you must deploy? Select only one answer. 1 2 3 4
Answers
Answer:
To protect all the connected virtual machines with Azure Bastion, the minimum number of Azure Bastion hosts that you must deploy is 2.
Explanation:
Azure Bastion provides secure and seamless RDP and SSH access to virtual machines directly through the Azure portal, eliminating the need to expose them to the public internet. Each Azure Bastion host provides connectivity to virtual machines within a single virtual network.
In this scenario, you have four virtual networks (VNet1, VNet2, VNet3, and VNet4) located in two different regions (West US and East US). Since VNet1 and VNet2 are in the same region (West US), you can deploy one Azure Bastion host in that region to provide access to the 12 virtual machines (5 in VNet1 and 7 in VNet2).
For VNet3 and VNet4, which are located in the East US region, you would need another Azure Bastion host to provide access to the 14 virtual machines (10 in VNet3 and 4 in VNet4).
Therefore, the minimum number of Azure Bastion hosts required is 2, with one host deployed in the West US region and another host deployed in the East US region.
You can write a function to find Fibonacci numbers using recursion.
How do you find the next number?
add five to the previous number
add one to the previous number
multiply the two previous numbers
add the two previous numbers
Answers
Answer:
Add the two previous numbers
Explanation:
A recursive definition of the Fibonacci sequence would look like this, in python:
def fibonacci(n)
if n <= 1:
return n
else:
return(fibonacci(n-1) + fibonacci(n-2))
1. What is a situation—other than developing software—where it would be useful to follow the software development life cycle? Describe what this process might look like.
2. In this unit, you learned about four types of operating systems. Imagine that you had been hired as a consultant to a new start-up that was going to create and sell a new emergency medical device. Which kind of operating system would you recommend to them? As part of your answer, explain why the other three types of operating systems would be less appropriate.
3. Describe three different software applications that you have used recently.
4. In this unit, you learned about procedural, object-oriented, and event-driven programming. Describe an example of each one in commonly used software.
5. Many people express frustration when they have to contact customer support for help with their software. Describe two things that companies can do to make customer support a more pleasant experience for its users.
Answers
There are different kinds of software. Requirement Gathering and also designing is another stage where it would be useful to follow the software development life cycle.
Why is important to know the software development life cycle?The software development life cycle is said to be one that increase the value to software development as it helps to give an efficient structure and method to create software applications.
Windows operating systems is the one I would recommend to them as it is much easier to operate than other types.
The three different software applications that you have used mostly are Electronic Health Record (EHR) Software, Medical database software and Medical imaging software. They are often used in the healthcare system on daily basis.
Event-driven programming software is the often used in graphical user interfaces and other kinds of system applications such as JavaScript web applications. They are based on carrying out some task in response to user input.
Companies can make customer support a more better by actively to them especially their complains and make sure it is handled immediate. They should also list out the cases of high priority and work on them.
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The
part of
that can contain malware is the
of an e-mail
message
(A) message header.
(B) message body.
(C) attachment.
(D) sender's address.
Answers
Answer:
C) Malware can be seen in Attachment most.
so, I guess thats the answer!!.
good for it :)
Fritz is a big fan of the racerville rockets. unfortunate;y, the team has been accused of cheating during their games. Fritz reads many articles and posts about this developing news story. His social media algorithms have "learned" that he's a fan of the team, so his feed doesnt show him any articles that argue the accusations are true. From this, Fritz decides his favorite team must be innocent of all cheating charges. Fritz is now in
A. a filter bubble
B. A third party
C. A subculture
D. an echo chamber
Answers
Option(D) is the correct answer. Fritz is now in an echo chamber.
Fritz's situation aligns with the concept of an echo chamber. An echo chamber refers to an environment, such as social media, where individuals are exposed to information and opinions that reinforce their existing beliefs and perspectives.
In this case, Fritz's social media algorithms have filtered out articles that present arguments in favor of the cheating accusations, creating an echo chamber that only confirms his preconceived notion of the team's innocence.
As a result, Fritz is insulated from diverse viewpoints and alternative perspectives, which can hinder critical thinking and a comprehensive understanding of the situation.
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Help bad at this subject. brainliest if correct.
Which type of loop can be simple or compound?
A. for loops or do...while loops
B. While loops or for loops
C. while loops or do...while loops
D. controlled loops only
Odyssey ware 2023
Answers
Answer:
C programming has three types of loops.
for loop
while loop
do...while loop
In the previous tutorial, we learned about for loop. In this tutorial, we will learn about while and do..while loop.
while loop
The syntax of the while loop is:
while (testExpression) {
// the body of the loop
}
How while loop works?
The while loop evaluates the testExpression inside the parentheses ().
If testExpression is true, statements inside the body of while loop are executed. Then, testExpression is evaluated again.
The process goes on until testExpression is evaluated to false.
If testExpression is false, the loop terminates (ends).
To learn more about test expressions (when testExpression is evaluated to true and false), check out relational and logical operators.
Flowchart of while loop
flowchart of while loop in C programming
Working of while loop
Example 1: while loop
// Print numbers from 1 to 5
#include <stdio.h>
int main() {
int i = 1;
while (i <= 5) {
printf("%d\n", i);
++i;
}
return 0;
}
Run Code
Output
1
2
3
4
5
Here, we have initialized i to 1.
When i = 1, the test expression i <= 5 is true. Hence, the body of the while loop is executed. This prints 1 on the screen and the value of i is increased to 2.
Now, i = 2, the test expression i <= 5 is again true. The body of the while loop is executed again. This prints 2 on the screen and the value of i is increased to 3.
This process goes on until i becomes 6. Then, the test expression i <= 5 will be false and the loop terminates.
do...while loop
The do..while loop is similar to the while loop with one important difference. The body of do...while loop is executed at least once. Only then, the test expression is evaluated.
The syntax of the do...while loop is:
do {
// the body of the loop
}
while (testExpression);
How do...while loop works?
The body of do...while loop is executed once. Only then, the testExpression is evaluated.
If testExpression is true, the body of the loop is executed again and testExpression is evaluated once more.
This process goes on until testExpression becomes false.
If testExpression is false, the loop ends.
Flowchart of do...while Loop
do while loop flowchart in C programming
Working of do...while loop
Example 2: do...while loop
// Program to add numbers until the user enters zero
#include <stdio.h>
int main() {
double number, sum = 0;
// the body of the loop is executed at least once
do {
printf("Enter a number: ");
scanf("%lf", &number);
sum += number;
}
while(number != 0.0);
printf("Sum = %.2lf",sum);
return 0;
}
Run Code
Output
Enter a number: 1.5
Enter a number: 2.4
Enter a number: -3.4
Enter a number: 4.2
Enter a number: 0
Sum = 4.70
Here, we have used a do...while loop to prompt the user to enter a number. The loop works as long as the input number is not 0.
The do...while loop executes at least once i.e. the first iteration runs without checking the condition. The condition is checked only after the first iteration has been executed.
do {
printf("Enter a number: ");
scanf("%lf", &number);
sum += number;
}
while(number != 0.0);
So, if the first input is a non-zero number, that number is added to the sum variable and the loop continues to the next iteration. This process is repeated until the user enters 0.
But if the first input is 0, there will be no second iteration of the loop and sum becomes 0.0.
Outside the loop, we print the value of sum.
Explanation:
A programmer needs to instruct an object in her program to move up when the up-arrow key is pressed. Which of the following must the programmer write to accomplish this?
Answers
The event handler must the programmer write to accomplish this.
What is a event handler?An event handler is code that is associated with a particular event, such as “button A pressed”. You create (or register) the association between an event and an event handler by calling a function named “on “.
In programming, an event handler is a callback routine that operates asynchronously once an event takes place. It dictates the action that follows the event. The programmer writes a code for this action to take place. An event is an action that takes place when a user interacts with a program.
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as a grade 12 leaner what will be the focus and purpose of my investigation
Answers
The previous Discussions have provided the opportunity to share some elegant solutions to programming challenges, and many of them share one common trait—they all handle multiple objects with ease. Forget, for the moment, about some of the complexity involved. The formulas may seem strange, but do not worry. At this stage of programming, you are not expected to generate such things on your own; very few new programmers can. Instead, stop to consider the ways programs embrace the computer’s true assets.
Machines do not mind doing the same thing over and over again; they never get bored. They are also capable of handling massive amounts of data in an impeccably organized manner. One of your challenges as a programmer is to communicate, through code, in an efficient way that plays to the computer’s strengths.
Consider, for example, having to write a program to manage personnel records for all of the people working for your company. You certainly would not want to have to write a program with a unique variable for each unique person in the company. Every time a new employee was hired, someone would have to modify the program to add a new variable for that employee. Every time an employee left the company, someone would have to modify the program to remove that employee’s variable and data from the program. Clearly, this would be a very tedious way to automate personnel records. Instead, you need a way to manage that collection of personnel information in a more organized manner. In fact, you need a way of representing the collection of individual employees as just that, a single variable that provides access to all of the employees. Then, you can use loops to process the employee data. Fortunately, Java provides the concept of an array (and other similar collections, such as the ArrayList) to manage collections of similar objects.
It takes time to truly grasp how powerful object-oriented programming can be and how you can harness its "objects-first" focus to make your own programs concise and elegant. Unfortunately, some programmers do not invest that time. They rely on brute force—repetitive methods resulting in long programs that are, by nature, hard to review and debug.
Return to the open source repositories you previously explored. Find a program that (A) uses at least one loop and a list effectively or (B) could use a loop and a list to improve the program.
*. Response that summarizes your findings. The post should:
1. Include a copy of the code that either (A) exemplifies concise, generalized code or (B) presents the perfect opportunity to apply loops, arrays, and lists to reduce the length of the program using a more elegant solution. Do not undertake a lengthy program; limit your code to approximately 20 lines.
2. If the code is an exemplar of good coding, explain what leads you to that conclusion. Be specific.
3. If the code needs improvement, include a rewritten version of the code, in which you apply one of the methods described above to improve the program. Explain how your solution better embraces a computer’s strengths as a tool that can perform calculations quickly, perform repetitive tasks, and/or manage data effectively.
4. Add or revise comments in the code to accurately describe the function of the loop and list.
Do not include the entire source code of the program you choose. Select just the portion with the necessary information, such as variable declarations and methods called from outside the class or method.
Answers
Answer:
I can't make out the question
Arrange the sections according to their order of appearance in the SRS document.
Answers
Based on the information given, the order of appearance will be Overview, Assumptions, Product functions, General Constraints, and References.
What is a SRS document?A software requirement specification document simply means the document that describes what the software will do and how it'll be expected to preform the work.
The order of appearance will be Overview, Assumptions, Product functions, General Constraints, and References. These are vital for the overall function of the program.
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Answer:
Assumptions, Product functions, General Constraints, and References
Explanation:
Mikolas is doing a research on U.S. visas for a school project. He has found conflicting information on two sites. The first site is travel.state.gov and the other is traveldocs.com. Which site should Mikolas trust more?
Traveldocs.com
Travel.state.gov
Answers
Answer:
Travel.State.Gov
Explanation:
This is a government website explaining visas which should be very well trusted. However, traveldocs.com could be made by any person who does or doesn't know what they're talking about.
I NEED HELP ksdnkdcnfsvxn
Answers
Note that where 32 teams qualified for the 2014 World Cup. If the names of the teams were arranged in sorted order (an array), the number of items in the array that binary search would have to examine to find the location of a particular team in the array, in the worst case at most 6 (Option C).
What is an array?An array is a data structure in computer science that consists of a collection of items, each of which is identifiable by at least one array index or key. A mathematical method is used to determine the location of each element from its index tuple in an array.
Because they hold items of the same kind, arrays are categorized as Homogeneous Data Structures. Numbers, strings, boolean values (true and false), characters, objects, and other data can be stored in them. However, once you specify the kind of data your array will contain, all of its components must be of the same type.
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Cleo is working in Excel and encounters a word that she would like Excel to ignore permanently for all workbooks. Which of the following options should she select?
Ignore Once
Ignore All
Add to Dictionary
AutoCorrect
ANSWER IS C Add to Dictionary
Answers
Answer:
ignore all
Explanation:
The answer is ignore all not add to dictionary
Answer:
C
Explanation:
its C dont listen to anyone else i got you
53. A correct definition of Computer is_____
a. All of the options
b. Computer is a machine or device that can be programmed to perform arithmetical or logic operation sequences automatically
c. Computer understands only binary language which is written in the form of Os &, 1s
d. Computer is a programmable electronic device that stores, retrieves, and processes the data
Answers
Answer:
D
Explanation:
d. Computer is a programmable electronic device that stores, retrieves, and processes the data.
When we code an algorithm, we need to provide the commands in the order we want the
computer to carry them out.
Answers
Answer:
true q it says it needs 20 characters so here you go
Write a C++ program which accepts the quantity of a product purchased and prints the amount to be paid by the customer.
Answers
Answer:
firstly the exel program is very useful to costumer or to calculate by Microsoft. People use it to company or office. It works for make good commination
Question 10 of 10
What information system would be most useful in determining what direction
to go in the next two years?
A. Decision support system
B. Transaction processing system
C. Executive information system
D. Management information system
SUBMIT
Answers
Answer: C. Executive information system
Explanation: The information system that would be most useful in determining what direction to go in the next two years is an Executive Information System (EIS). An EIS is designed to provide senior management with the information they need to make strategic decisions.
An Executive Information System (EIS) would be the most useful information system in determining what direction to go in the next two years. So, Option C is true.
Given that,
Most useful information about determining what direction to go in the next two years.
Since Executive Information System is specifically designed to provide senior executives with the necessary information and insights to support strategic decision-making.
It consolidates data from various sources, both internal and external, and presents it in a user-friendly format, such as dashboards or reports.
This enables executives to analyze trends, identify opportunities, and make informed decisions about the future direction of the organization.
EIS typically focuses on high-level, strategic information and is tailored to meet the specific needs of top-level executives.
So, the correct option is,
C. Executive information system
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what is the difference between hard voting classifier and soft voting classifier
Answers
In machine learning, the voting classifier is an ensemble learning method that combines the predictions of multiple individual models to produce a final prediction.
What is a Hard voting classifier?A hard-voting classifier makes a final prediction based on the majority vote of the individual models. In other words, it selects the class that receives the most votes from the individual models.
A soft voting classifier, on the other hand, considers the probability distribution of each model's prediction and averages them to make a final prediction. It takes into account the confidence level of each individual model's prediction, weighing higher the more confident ones.
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Describe how smartphones communicate. List and describe four popular types of messages you can send with smartphones. Write one well-written paragraph and answer the above question to earn 10 points.
Answers
The way that smartphones communicate is that people connect with each other and with businesses has been changed by mobile messaging. However, users and businesses can choose from a variety of mobile messaging types.
The Kinds Of Mobile Messaging are:
SMS & MMS MessagingPush Notifications.In-App Messages.RCS.What is the messaging about?Brief Message Service (SMS): One of the most popular types of mobile communications is SMS. A basic text message sent via a cellular signal is known as an SMS, or short messaging service.
SMS is completely text-based and has a character restriction of 160. Users in the United States who don't have an unlimited messaging package pay cents per message.
Therefore, in Notifications through Push: It's possible that you mistakenly believe that the thing that's flashing on your cell phone's screen is a text message. Similar to SMS messages, push notifications are pop-up windows that appear while you're using your phone or on the lock screen rather than in your inbox with other texts.
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You would like to set up an online meeting to communicate with colleagues on a group project. Which of these tools should you use; WordPress or WebEx
Answers
The main difference between a device and a system is that, when a system malfunctions, the effects are spread out. True or False?
Answers
The main difference between a device and a system is that, when a system malfunctions, the effects are spread out. Thus, the given statement is true.
What is refrigerator?The refrigerator is a major evolution in food distribution, because it has allowed food to be preserved and free from the action of microorganisms for a long time.
Refrigerants showed an environmental problem when not working properly, because in cases of malfunctioning, the gases used in cooling could leak and cause damage to the ozone layer.
Therefore, The main difference between a device and a system is that, when a system malfunctions, the effects are spread out. Thus, the given statement is true.
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Case Project 1-2: Upgrading to Windows 10: Gigantic Life Insurance has 4,000 users spread over five locations in North America. They have called you as a consultant to discuss different options for deploying Windows 10 to the desktops in their organization.
Most of the existing desktop computers are a mix of Windows 7 Pro and Windows 8.1 Pro, but one office is running Windows 8 Enterprise. They have System Center Configuration Manager to control the deployment process automatically. They want to begin distributing applications by using App-V.
Can you identify any issues that need to be resolved before the project begins? Which edition of Windows 10 should they use? Which type of activation should they use?
Answers
The best approach for deploying Windows to the desktops at Gigantic Life Insurance will depend on several factors, including the number of desktops, existing hardware.
How much storage is recommended for Windows?While 256GB of storage space is appropriate for many people, gaming enthusiasts will need a lot more. Most experts recommend that you get a minimum of 512GB if you're going to load a few games, but you'll need 1TB of storage if you're planning to load several AAA games.
What are 3 types of installation methods for Windows 10?
The three most common installation methods of Windows are DVD Boot installation, Distribution share installation , image based installation
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If cell A2 contains "Today is Monday," the result of the function =LEN(A2) would be __________. Fill in the blank space.
Excel Quiz.
Answers
If cell A2 includes the phrase "Today is Monday," the result of the function =LEN(A2) would be 15, which is the number of characters in the cell.
How can I figure out how many characters there are in Excel?Type =LEN(cell) in the formula bar and hit Enter to invoke the function. In many instances, cell refers to the cell that you want to count, like B1. Enter the formula, then copy and paste it into further cells to count the characters in each cell.
What does Len have to offer?A number is returned by LEN after it counts the characters in the text, including spaces and punctuation. LEN is set to zero if text is an empty string ("") or a reference to an empty cell.
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Technology and Communications Quiz Active 1 Which of the following inventions has had the greatest impact on sound technology? A. the extension cord
B. the tape recorder
c. the telegraph
d. the microphone
Answers
Answer:
B the tape recorder bec half century later made sonorities not only reproducible but also alterable.
Windows explorer shows the
Answers
Answer:
Windows Explorer is a web browser that displays information from the Internet . The information displayed is from various users organisations,etc
Explanation:
the formality or informality of the information depends on the ones who posts them and the targetted audience.
to display only rows and columns that meet the specified condition or criteria computer