PRINCIPLES OF INFO.SYS.(LL)>CUSTOM PKG<
12th Edition
ISBN: 9781337074674
Author: STAIR
Publisher: CENGAGE C
expand_more
expand_more
format_list_bulleted
Expert Solution & Answer
Chapter 13.4, Problem 2DQ
Explanation of Solution
Justification:
- Learning the
programming languages at college level helps the students during college days and also in acquiring jobs. - Students should learn the most advanced languages t...
Explanation of Solution
Justification:
“Yes” the involvement of programming languages in schools creates economic difference between them...
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Santa is worried about his employee relations, since christmas preparations have led to a lot of overtime. To make
sure all the elves are happy, he wants to recruit some of them as complaint officers, with weekly meetings to report any
complaints or worries to him. His worker elves W are pretty busy already, so Santa wants to task no more than k
elves with this additional workload. Still, Santa wants to make sure that for as many elves e e W as possible, at least
one of his friends (whose identities he knows) is a complaint officer.
1. Give an intuitive greedy algorithm that outputs k elves that will serve as compliant officers.
2. Prove that for large numbers of k the algorithm approximates a solution with ratio no more than (1 - ).
Imagine a project, and then map it both with and without architecture. what effect it will have on the
finished item
A group of researchers conducted a study to investigate the effectiveness of a new teaching method for a particular subject. They randomly assigned 100 students to two groups: one group received the new teaching method, and the other group received the traditional teaching method. At the end of the semester, they measured the students' performance on a standardized test. The researchers found that the mean score for the group that received the new teaching method was higher than the mean score for the group that received the traditional teaching method. How can the researchers test the hypothesis that the new teaching method is more effective than the traditional teaching method? What statistical test should they use?
Chapter 13 Solutions
PRINCIPLES OF INFO.SYS.(LL)>CUSTOM PKG<
Ch. 13.4 - Software companies are continually improving...Ch. 13.4 - Prob. 2DQCh. 13.4 - Prob. 1CTQCh. 13.4 - Prob. 2CTQCh. 13.6 - Prob. 1DQCh. 13.6 - Prob. 2DQCh. 13.6 - Prob. 1CTQCh. 13.6 - Prob. 2CTQCh. 13 - Prob. 1SATCh. 13 - The _______ is an example of a systems development...
Ch. 13 - _______ is a form of testing that involves linking...Ch. 13 - Prob. 4SATCh. 13 - During user acceptance testing (UAT), the system...Ch. 13 - Prob. 6SATCh. 13 - Prob. 7SATCh. 13 - Prob. 8SATCh. 13 - _______ is the process of analysing systems to...Ch. 13 - Prob. 10SATCh. 13 - Prob. 11SATCh. 13 - Prob. 12SATCh. 13 - Prob. 13SATCh. 13 - ________ is an iterative system development...Ch. 13 - Prob. 15SATCh. 13 - Prob. 16SATCh. 13 - Prob. 17SATCh. 13 - Prob. 1RQCh. 13 - Prob. 2RQCh. 13 - Prob. 3RQCh. 13 - Prob. 4RQCh. 13 - Prob. 5RQCh. 13 - Prob. 6RQCh. 13 - Prob. 7RQCh. 13 - Prob. 8RQCh. 13 - Prob. 9RQCh. 13 - Prob. 10RQCh. 13 - Prob. 11RQCh. 13 - Prob. 12RQCh. 13 - Prob. 13RQCh. 13 - Prob. 14RQCh. 13 - Prob. 1DQCh. 13 - Prob. 2DQCh. 13 - Prob. 3DQCh. 13 - Prob. 4DQCh. 13 - Prob. 5DQCh. 13 - Prob. 6DQCh. 13 - Prob. 7DQCh. 13 - Prob. 8DQCh. 13 - Prob. 9DQCh. 13 - Prob. 10DQCh. 13 - Prob. 11DQCh. 13 - Prob. 12DQCh. 13 - Prob. 13DQCh. 13 - Prob. 1TACh. 13 - Prob. 2TACh. 13 - Prob. 3TACh. 13 - Prob. 1WECh. 13 - Prob. 2WECh. 13 - Prob. 1CECh. 13 - Prob. 2CECh. 13 - Prob. 1DQ1Ch. 13 - Prob. 2DQ1Ch. 13 - Prob. 1CTQ1Ch. 13 - Prob. 2CTQ1Ch. 13 - Prob. 1DQ2Ch. 13 - Prob. 2DQ2Ch. 13 - Prob. 1CTQ2Ch. 13 - Prob. 2CTQ2Ch. 13 - Prob. 1DQ3Ch. 13 - Prob. 2DQ3Ch. 13 - Prob. 1CTQ3Ch. 13 - Prob. 2CTQ3
Knowledge Booster
Similar questions
- Imagine you are an avid movie goer and you prepared a list of n movies you are considering watching. As a thorough researcher, you prepared a list of k friends, whose movie advice you trust. For each movie, you are debating whether to either see it or speak to all of your friends and hear their recommendations. A more efficient approach is to choose between watching the movie and speaking with at least one trusted movie recommender friend. This approach will take a total of t hours. Prove that the problem is NP-hard.arrow_forwardIn a nutshell, this is what we mean when we talk about cooperative learning.arrow_forwardConsider the following task of building a zoo for Drexel! You’ve gathered m donors to fund the creation ofyour new park, and you’ve picked the location, so now you just need to choose the inhabitants. Ideally you’dget every animal imaginable, except you just don’t have space. As it is, you have room to comfortably fitk animals. Since you’d like to ensure that your funding doesn’t dry up, you figure your donors should getto make requests about which animals will be kept. After sending out a few emails, you collect from eachdonor i a list of animals Ai which donor i would like to have at the zoo. As you suspected, the total numberof different animals appearing on the m lists exceeds k, so you won’t be able to satisfy all of their requests.You decide the fairest thing to do is to ensure that at least 1 animal from each Aiis chosen.Given all these lists, we want to know whether we can select a set H of at most k animals to put in thezoo such that each donor i will be able to see at least…arrow_forward
- Nowadays, a lot of everyday objects, like roller coasters, cars, elevators, and ovens, are really computers or information systems. Normally, you wouldn't connect them to a computer or information system. There are benefits without a doubt, but what about possible disadvantages? Do you think you would feel more or less at ease riding a computer-controlled roller coaster, just as an example? The issue of whether potential benefits outweigh potential downsides arises when more and more commonplace tasks are computerized. In that case, why not?arrow_forwardA library wants to build a simple online recommendation system for a summer reading programme. The system involves people reading and recommending books and authors. • Readers (people) have a screen name as well as a real name and contact information, including an unknown number of phone numbers they can be contacted at. • Books have a title, ISBN, genre and reading level. • An author has a name and nationality. They can write zero or more books. • Assume that Books are written by only one author. • The database records what books a reader has read. • Readers can “like” books. • Readers can “like” authors independent of the books the author has written. Create a hand-drawn, conceptual entity relationship diagram (like the last lab, except that you’re including attributes) describing this circumstance for a database designer.arrow_forwardMany ordinary objects (such as amusement park rides, cars, elevators, and ovens) are now computerized. Clearly, there are benefits, but are there risks? For example, would you want to ride a computer-controlled roller coaster? Do the benefits of computerizing more ordinary goods outweigh the risks? So, why?arrow_forward
- Making Elevators Go Faster!This story has been reported in numerous places and has almost become a classic example to explain the need for problem identification. Ackoff (as cited in Larson , 1987) described the problem of managing complaints about slow elevators in a tall hotel tower.After trying many solutions for reducing the complaint: staggering elevators to go to different floors, adding operators, and so on, the management determined that the real problem was not about the actual waiting time but rather the perceived waiting time. So the solution was to install full-length mirrors on elevator doors on each floor. As Hesse and Woolsey (1975) put it, "the women would look at themselves in the mirrors and make adjustments, while the men would look at the women, and before they knew it, the elevator was there ." By reducing the perceived waiting time, the problem went away. Baker and Cameron 0996) give several other examples of distractions, including lighting,…arrow_forwardImagine you are an avid movie goer and you prepared a list of n movies you are considering watching. As a thorough researcher, you prepared a list of k friends, whose movie advice you trust. You have two ways to evaluate a movie: watch it or ask a friend if it is worth seeing. A movie typically lasts two hours. Usually when you speak with one of your friends, you also spend two hours talking. However, during these two hours, you can discuss multiple movies your friend has seen. Address the dilemma in each of the following two cases: For each movie, you are debating to either see it or speak to all of your friends and hear their recommendations. You only have a total of t hours. You have two choices: a) Design a polynomial-time algorithm for choosing t/2 recommenders, or b) prove that the problem is NP-hard. Decide between the two choices and explain your decision with mathematical rigor. A more efficient approach is to choose between watching the movie and speaking with at least one…arrow_forwardConsider the following task of building a zoo for Drexel! You've gathered m donors to fund the creation ofyour new park, and you've picked the location, so now you just need to choose the inhabitants. Ideally you'dget every animal imaginable, except you just don't have space. As it is, you have room to comfortably tk animals. Since you'd like to ensure that your funding doesn't dry up, you gure your donors should getto make requests about which animals will be kept. After sending out a few emails, you collect from eachdonor i a list of animals Ai which donor i would like to have at the zoo. As you suspected, the total numberof di erent animals appearing on the m lists exceeds k, so you won't be able to satisfy all of their requests.You decide the fairest thing to do is to ensure that at least 1 animal from each Ai is chosen.Given all these lists, we want to know whether we can select a set H of at most k animals to put in thezoo such that each donor i will be able to see at least one…arrow_forward
- Any lesson may be made more simpler and more easily understood by providing an example. In the course of doing a network analysis, you will be given the opportunity to choose one method from among four available alternatives.arrow_forwardHow does an ADT accomplish the goals set for it, and what is it exactly? Is it possible that there are consequences of using ADTs? Can you think of any other way in which people's genes contribute to overcoming obstacles?arrow_forwardIn this scenario, imagine you are a graphic design company. Please create a price calculator page using HTML and javascript. The calculator should be simple and able to estimate the cost of a particular project. The cost is computed like this: For each project a base of $30,000 is always included Each graphic design project and logo project costs $15,000/month, whereas a consultation project costs $20,000/month. Projects can have durations of 1-12 months. The technical training (onboarding) and technical support could be booked for each development project. Each of them costs $50,000/project.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Fundamentals of Information SystemsComputer ScienceISBN:9781305082168Author:Ralph Stair, George ReynoldsPublisher:Cengage Learning
Fundamentals of Information Systems
Computer Science
ISBN:9781305082168
Author:Ralph Stair, George Reynolds
Publisher:Cengage Learning