Why would you have to be more careful with friends that you meet online than with friends that you meet at university? A. Most people on the Internet are not as trustworthy as people in the real world B. It's more difficult to tell through online whether an individual is who they say they are C. Friendships that start online are not "real" D. Websites have very clear standards regarding online friends

Why would you have to be more careful with friends that you meet online than with friends that you meet at university? A. Most people on the Internet are not as trustworthy as people in the real world B. It's more difficult to tell through online whether an individual is who they say they are C. Friendships that start online are not "real" D. Websites have very clear standards regarding online friends

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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What pictures does email evoke? What happens when you hit the "Send" button? Write down everything that comes to mind. Can we find the things that don't make sense? How hard it is to get the data for your models.
Email? How can I send an email quickly? Notes help remember. Why the differences? Which models do you know?
What misconceptions regarding email would you want to dispel? In order to go from one place to another, what path does the message take? Write down whatever you have discovered. Why are there differences between individuals? Think about the level of abstraction or detail in a model.
The widespread acceptance and usage of online social networks like Facebook and Twitter has led to substantial time commitments from its users. Examine whether clients prefer a digital social network to a more conventional one. What potential effects can too much time spent online social networking have on one's mental health? Is there a time when it's reasonable to be concerned that whatever we do online may become addictive? Look for an example of someone who has gotten "dependent" on social networking sites or other online activities in a recent story from a newspaper or magazine.
What pictures do you associate with email? What happens to an email once it's sent? Make a list of what you know. Is there anybody who can explain these differences? Is each model complex?
We just can't imagine life before the internet. Close your eyes and try to picture a world where you don't have Internet. Talk about the challenges you'd face in this setting.
How do you mentally see an email? How do you recommend sending an email? Write down whatever you have discovered. Why are they so widespread, and what makes them special? Where do models start and where do they go?
Digital social networks have a huge following among individuals (such as Facebook and Twitter). Find out why individuals prefer digital social networking over informal social networking, and the opposite is also true. Determine why. Write out all the mental health problems that may arise from using digital social networking sites in excess. Are there any legitimate concerns about being addicted to online pursuits? Try to find a news or journal story where a person was "addicted" to using a social networking site or another online activity.
A luxury is a non-essential satisfaction. The majority of individuals need food, a place to live, and water to survive. A significant number of Americans would put in electrical wiring and indoor plumbing. These days, a connection to the internet is seen by many as absolutely necessary. Is it an absolute prerequisite? What about those who don't use the internet or don't have access to it? What kind of impact do you think having to be connected to the internet will have on the expansion of online shopping?
D7) China pushing women to have more babies now How has China's policy evolved over the course of time? What are the reasons for this new policy push? Provide your thoughts and reflections on governmental dictates of this type? Do they serve a purpose? Is this something the government should be doing? What's your personal reaction to this type of policy? Considering the demographics outlined in this piece, are there parallels with other nations around the globe?
What makes computers and other forms of information technology different from other forms of media? The way people live is changing because of new technology. Cell phones and satellite tracking are two examples from more modern times. They might have brought up some new ethics questions. Could they, right? Look into each piece of technology to find out which ones raise social questions.
Is there anything about email that you already have an opinion on? A message's path between two locations is known as its "path of least resistance." Write down all you've discovered thus far. First, why are there so many disparities between the two? Models come in many shapes and sizes, with varying levels of detail (or abstraction).