Using and understanding information technology
Our purpose is to help you understand and use information technology, we want you to become proficient and gain a basic knowledge by which you can understand how technology is being used today. Be able to predict how it will be used in the future. This will allow you to take advantage of the six most important innovations in information technology. The Internet and the Web
The Internet and the Web are considered two of the most important technologies of the 21st century. Efficient and effective use of the Internet to browse, communicate and locate information is a paramount skill, these issues are presented in Chapter 2. 'Internet, Web and Electronic Commerce'.
The powerful software
now available software can do many things and help you in many ways. You can even create professional-looking documents, analyze gigantic data, create dynamic multimedia pages, and more. Today's companies expect their employees to learn to use a variety of software effectively and efficiently.
powerful hardware
personal computers are now much more powerful than ever before. Technologies such as smartphones, tablets, and wireless communications are creating new ways to connect to other computers, networks, and the Internet. However, despite the rapid changes in the equipment, the required features are still there. You need to focus on these features to become an efficient and effective end user.
Organizations
Almost all organizations rely on the quality and flexibility of their information systems to stay competitive. As a member or employee of an organization, you too must be involved in these information systems. To use, develop, modify and maintain these systems, you need to understand the basic concepts of information systems and learn how to use them safely, efficiently and effectively.
Changing period
now changing faster than ever before? This is the opinion of almost everyone. Whatever the truth, it is clear that we are living in a fast-paced world. At the end of this book, the section 'Evolution of Computer Age' reviews the major developments in computers from its inception to date. After reading this book, you will be in a better position than many people in this industry. Not only will you learn the basics of hardware, software, connectivity, the Internet and the web, you will also learn about the latest technology. You can take advantage of these tools.
Data
Data Ta is a raw, unsolicited fact that includes articles, numbers, pictures and sounds. As mentioned earlier, methodological data is information. Once the data is stored electronically in files, it can be used directly as an input for the system unit. The four most common types of files are document files, which are created by word processors to save documents such as memos, term papers and letters.
Communication
As mentioned earlier, communication is the most popular activity on the Internet and can stay in touch despite being miles away. In trade. Electronic communication has become the standard way to stay in touch with suppliers, employees and customers. Take some of the internet communication. Popular types are e-mail, messaging, social networking, blogs, microblogs, webcasts, podcasts and wikis.
E-mail
E-mail or electronic mail is the sending of electronic messages over the Internet. A typical e-mail consists of three basic elements: header, message and signature. The header comes first and contains the following information:
• Addresses: E-mail messages usually show the address of the person or persons to whom the e-mail has been sent. The e-mail is sent to bsunita@yahoo.com and a copy is sent to aboyd@sdu.edu. E-mail addresses have two basic parts. The first part is the username and the second part is the domain Name that contains the top level domain name. The top-level domain name here indicates that the provider is an educational institution. The e-mail user in your example is bsunita, Sunita's username. There are service providers for Sunita, yahoo.com
Subject: Description of a line that presents the subject of the message. The subject line is usually displayed in the person's inbox.
Attachments: Many e-mail programs have the facility to attach files like documents and pictures. If there is an attachment in the message, the name of the file is usually displayed on the attachment line.
This is followed by a letter or message. Finally, the signature identifies the sender. This information may include the sender's name, address and phone number. Many business messages may include company name, address and phone number. E-mails can be very important for your personal and professional life. However, Like many other valuable technologies, it has its drawbacks. Americans receive millions of unsolicited and unsolicited e-mails every year.
These unwanted e-mails are called spam. Spam is distracting and annoying, but it can also be dangerous. For example, computer viruses or malicious programs are often attached to unsolicited e-mails. Computer viruses and protection from them will be discussed in Chapter 4. Antispam laws have been introduced into your legal system to control spam. For example, CAN - SPAM requires that every marketing - related mail should also have the option to stop it. Once that option is selected, the recipient's e-mail address has to be removed from the mailing list. Failure to do so will result in heavy fines.
But this measure is not very effective, as more than 50 percent of spam comes from servers located outside the United States. A more effective solution to spam control is the development and use of spam blockers. These are also called spam filters. Most e-mail programs have limited spam blocking capabilities. In addition, powerful spam blocking programs are available. Many of these programs are free, including SpamFighter and Intego Personal Antispam for Mac.
