Reading Questions: Chapter 7
2. A file manager is a program that enables users to manipulate files on their computers and a database management system is a program or system of programs that can manipulate data in a large collection of files. They are similar because they both include manipulating files whether it is in the beginning or sometime down the road.
4. A query is an information request. An example of a question answered by a query is, " Who assassinated President Abraham Lincoln?" in the context of a database on the life of Abraham Lincoln.
7. To sort a data-file means to edit the content of the file.
8. Because it can back up and correct any entries that you make based on the databased.
Reading Questions: Chapter 7(contd.)
11. From my understanding it means that money can be exchanged for anything that might be of information. It relates to communication technology because communication technology is used to transfer money and organize transactions.
13. Netiquettes are important because they keep order on the net and they set a standard for people on the net to follow. Some examples are: - Usenet
- Mailing lists
- Blogs
- Forums
Reading Questions: Chapter 9
3. A database is a collection of information in a file. This collection is stored in well-defined tables. The columns in a database table provide characteristics of the records. These characteristics are called database fields. Each field contains one specific piece of information.
5. A. Create a connection to your database.
B. Query the database.
C. Build a report in advance that would layout where you want to display the data.
D. At the time when you build your report, it would be great if you can tie a display field to a column in the database.
E. In your desktop application, you would pass the resultset to this pre-defined report.
10. We have the right of privacy to a certain extent. We need a certain amount of privacy to maintain our dignity and freedom, but on the other hand, our general information such as mailing address and email address may be of great importance to society so they may take that information.
11. Because people store so much information about themselves and their belongings such as bank information and if those were invaded then it would be very bad for those people.
Reading Questions: Chapter 8
5. A. Create a connection to your database.
B. Query the database.
C. Build a report in advance that would layout where you want to display the data.
D. At the time when you build your report, it would be great if you can tie a display field to a column in the database.
E. In your desktop application, you would pass the resultset to this pre-defined report.
10. We have the right of privacy to a certain extent. We need a certain amount of privacy to maintain our dignity and freedom, but on the other hand, our general information such as mailing address and email address may be of great importance to society so they may take that information.
11. Because people store so much information about themselves and their belongings such as bank information and if those were invaded then it would be very bad for those people.
Reading Questions: Chapter 8
2. a. Networks enable people to share computer hardware resources, reducing costs and making it possible for more people to take better advantage of powerful computer equipment.
b. Networks enable people to share data and software programs, increasing efficiency and productivity.
c. Networks enable people to work together, or collaborate, in ways that are otherwise difficult or impossible.
6. a. Terminal emulators: A program that emulates a video terminal within another form of display.
b. File transfer programs: Transmitting files over a computer network or the internet.
7. It can be used to share files over a network to each student's computer station. A software licensing issue that might be raised by using a file server in a student lab is that although the stations are connected through a network, you must still get a separate software license for each student's computer.
8. a. Email is transmitted from the sender’s computer to server and from there to the recipients server from where it can either be viewed or downloaded. IM is short for Instant Messaging and needs the users to be logged in to the same server. Messages are delivered instantly.
b. Email can be read independent of the software that was used to create it whereas the IM requires the users to use the same client.
b. Networks enable people to share data and software programs, increasing efficiency and productivity.
c. Networks enable people to work together, or collaborate, in ways that are otherwise difficult or impossible.
6. a. Terminal emulators: A program that emulates a video terminal within another form of display.
b. File transfer programs: Transmitting files over a computer network or the internet.
7. It can be used to share files over a network to each student's computer station. A software licensing issue that might be raised by using a file server in a student lab is that although the stations are connected through a network, you must still get a separate software license for each student's computer.
8. a. Email is transmitted from the sender’s computer to server and from there to the recipients server from where it can either be viewed or downloaded. IM is short for Instant Messaging and needs the users to be logged in to the same server. Messages are delivered instantly.
b. Email can be read independent of the software that was used to create it whereas the IM requires the users to use the same client.
Reading Questions: Chapter 8(contd.)
9. - You can send mail over a large network and it would be received faster than normal mail.
- It is not tangible, therefore there is no fear of physical corruption of the mail.
10. - The signal may be disrupted, therefore causing no connection to email or teleconferencing program.
- Not everyone may be able to have access to these features.11. From my understanding it means that money can be exchanged for anything that might be of information. It relates to communication technology because communication technology is used to transfer money and organize transactions.
13. Netiquettes are important because they keep order on the net and they set a standard for people on the net to follow. Some examples are: - Usenet
- Mailing lists
- Blogs
- Forums
Reading Questions: Chapter 9
3. They allow cross-network communication for almost every type of computer and network. They are important because they define how information can be transferred between machines and how machines on the network can be identified with unique addresses.
4. It influences the limits and abilities placed on you while you are using the internet.
6. They are both used in the domain naming system.
9. It shrinks the file size but keep it as it is at the same time so it causes less traffic.
Reading Questions: Chapter 9(contd.)
2. It is hard to determine how big the internet is today because it is constantly growing and networks are constantly being created.
5. It interracts in the sense that information is sent through the server to the client. Different users might experience different interfaces while accessing the same data because they might be in different areas and they might experience delays.
7. - ActiveX: A collection of programming technologies and told for creating controls or components. It is similar to a Java applet.
- eXtensible Markup Language (XML): Enables web developers to control and display data the way they now control text and graphics.
- Synchronized Multimedia Integration Language (SMIL): An HTML-like language designed to make it possible to link time-based streaming media such as sounds, video and animation.
11. With push technology, you subscribe to a service or specify the kinds of information you want to receive and you will receive it automatically from the provider, versus normally where you have to subscribe to i and go find it yourself. It is used to send notifications and alerts to the client.
Reading Questions: Chapter 10
5. Intellectual property laws grant owners certain exclusive rights to a variety of intangible assets. They can apply to software because the owners of the software have right to their product and it is theirs to do whatever they want with it.
6. Different types of programs that can be used for software sabotage are viruses, worms, trojan horses, and spyware.
9. Because if they do not save it on an external device, there is always a risk that the hard drive in the system might become corrupt so it is always good to have that back up device to save it on.
Reading Questions: Chapter 10(contd.)
3. The typical computer criminal is a trusted employee with no criminal record who is tempted by an opportunity.
4. The most common computer crime today is theft. It is usually committed by intruders.
7. a. A computer does exactly what it is programmed to do, including reveal sensitive information. Any system that can be programmed can be reprogrammed by anyone with sufficient knowledge/
b. Any computer can do only what it is programmed to do.
8. Some different computer security techniques are:
- Install an anti-virus and run scans frequently
- Make sure your firewall is properly running
Reading Questions: Chapter 11
3. Because automation allows for tighter integration of planning with manufacturing, reducing the time that materials and machines sit idle and automation reduces waste in facilities, raw materials, and labor.
6. De-skilling is when you have an automated job you transform it so that it requires less skill. And example of a de-skilled job is working at the cash at the counter at restaurants. The machine allows the employee to input orders with the push of buttons and it calculates the price using a database. Up-skilling is making an automated job more technical. An example of this is making databases, spreadsheets and email systems.
7. (a) The working conditions bring to mind the oppressive factory sweatshops of the 19th century.
(b) It causes many health problems.
8. Because students need to learn how to work comfortably with all kinds of knowledge tools.
Reading Questions: Chapter 11(contd.)
2. The major components of the modern automated factory are robots, web cameras and computers.
5. De-skilling and Up-skilling. De-skilling is when a job is automated, where it requires less skill, and Up-skilling is when a job is automated where is requires more skill.
15. Several ways people use home computers are education, business, entertainment and communication.
16. A smart card is a card that looks like a standard credit card, but instead of a magnetic strip, it contains an embedded microprocessor and memory. Smart cards can contain critical ID information and can automatically record each transaction for later retrieval.
Reading Questions: Chapter 12
3. The major components of a system are:
- Input
- Processing
- Output
- Control
- Boundary
- Environment
4. The components of a value chain model are:
- Primary activities
- Secondary activities
5. The basic systems components of an information system are:
- Tasks
- People
- Information technologies
- Information
7. The five information activities that information technologies perform in a system are:
- Acquisition
- Processing
- Storage and retrieval
- Presentation
- Transmission
Reading Questions: Chapter 13
3. The major components of a system are:
- Input
- Processing
- Output
- Control
- Boundary
- Environment
4. The components of a value chain model are:
- Primary activities
- Secondary activities
5. The basic systems components of an information system are:
- Tasks
- People
- Information technologies
- Information
7. The five information activities that information technologies perform in a system are:
- Acquisition
- Processing
- Storage and retrieval
- Presentation
- Transmission
Reading Questions: Chapter 13
