Task # 1: Create a Context Diagram that describes the following:

A library management system that works as described below:
When a new book arrives, the librarian open a menu item, which display a message that
prompts him to enter the following details: Complete ISBN, Title, Author, and Book Info. The
book management system will create a file and save this file on a file management system.

Task # 2: Create a Context Diagram that describes the following:

An ATM machine needs to accept a card from the customer. When the customer enters their
PIN, it is verified by the system. If the PIN is valid, then the machine keeps the card,
otherwise, the machine returns the card to the customer.

Research Project on Faithfulness and Committed Relationships in College

#1. Can you complete the following on now deciding which two articles seem the most interesting/relevant to you using psychINFO (apa.org) and read those. Empirical articles will have an introduction, method section, results section, and discussion section. As much as possible, make sure the article you choose for completing this assignment is directly related to the topic you think your study will be about. Once you have read the articles, for the one you thought was most useful to you, please answer the questions below. Be sure to use your own words AND to not use quotes instead of summarizing the information. Put the references for the article you are summarize in APA style.

a) Describe, in several sentences, what are the main points given in the introduction of the article? In one or two sentences – summarize the main point of what the author(s) is saying in the intro regarding what past research on the topic has found. Then, in one or two sentences – summarize the main point of what the author(s) is saying in the intro regarding what past research has yet to examine on the topic. Then, give the purpose of the study. Then, where applicable – give the researcher’s hypothesis? (Whenever the researcher gives an actual hypothesis, be sure to summarize the actual hypothesis and not just phrase it as a research purpose. For example, a research purpose would be something like this – the current study sought to examine the effect of watching the news on racism, whereas a hypothesis is more specific – such as the hypothesis for the current study was that participants who watch the news will have higher levels of racism than those who don’t watch the news).

b) Describe, in several sentences, what are main points given in the method section of the article?

c) Describe, in several sentences, what are the main points given in the results section of the article? Be sure that you give the main results that relate to the hypothesis --- where applicable.

d) Describe, in several sentences, what are the main points given in the discussion of the article? What future research does the author(s) suggest? e) What did YOU learn from this article that can help you with thinking about your topic and/or future study? Be very detailed and thoughtful here.

#2. How do the two articles you read relate to each other? Based on your reading of both of these articles, describe any specific ideas about what you might to study? Alternatively, on the basis of your reading, have you ruled out anything that you don’t want to study? Fully explain your thinking.

In this Question using c++, you are to develop an employee management system using classes. You need to develop two classes: Date and Employee.

The Date class has the three attributes (int): month, day, and year.

The class has the following member functions: • string getDate(void): returns a string with the date information (e.g, Mach 27, 2020).

In addition to these, declare and implement proper constructors, a copy constructor, a destructor, and getters and setters for all data members.

The Emplyee class has the following attributes: • string name • int age • string position • Date hired_date • double salary_rate

The class has the following member functions: • string getEmployee(void): returns a string with the employee information. e.g., Name: Andy Pak Age: 38 Position: Software Engineer Hired date: September 2, 2016 Salary rate: $35.5/hour Days of hired: 1491 days Days of working: 1026 days Accumulated salary: $291,384 • int getHiredDays(void): returns the number of days since the employee was hired. • Int getWorkingDays (void): returns the number of working days excluding weekends and public holidays. • double getAccumulatedSalary: returns the accumulated salary since the employee was hired (5 days per week and 8 hours per day). In addition to these, declare and implement proper constructors, a copy constructor, a destructor, and getters and setters for all data members. If necessary, include helping functions in the class. Your application reads a file (“employees.txt” available in the Moodle) to construct Employee objects (and Date objects) and put them into an array. The application provides an interactive interface for the user to get the employees’ information.

An experiment requires 40.3 of ethyl alcohol. If the density of ethyl alcohol is 0.790 g/(cm³), what is the mass of 40.3 mL of ethyl alcohol

During lipid metabolism experiment, several reagents were used, what   is their role of the TLC developing reagent (petrolum ether:ether:glacial acetic acid)?

How much of an 'ideal' gas is CO2 and how do you know? What effect would CO2 'non-ideality' have on an experiment?

Design your own experiment to demonstrate the probability of states using objects of your choice. Use Probability of States as a guide for experimental design.