El documento describe la carrera de Ingeniería de Sistemas. Explica que los ingenieros de sistemas se encargan del diseño, programación, implementación y mantenimiento de sistemas informáticos para optimizar el rendimiento de las organizaciones. También describe las asignaturas y áreas clave de la carrera como sistemas de información, investigación de operaciones y redes.
The document discusses different managerial roles in information systems. A Chief Information Officer (CIO) heads the information systems function and aligns technology with organizational goals. Functional managers oversee specific functions that report to the CIO, such as systems analysis. An ERP manager maintains and implements changes to enterprise resource planning systems. Project managers are responsible for keeping IT projects on schedule and on budget. An Information Security Officer sets and enforces information security policies to protect organizational data from internal and external threats.
This document discusses different roles that people play in creating information systems. It describes systems analysts as identifying business needs and designing systems to address them. Programmers then write the code to build the systems based on designs. Computer engineers design the underlying hardware and software technologies, with roles in hardware, software, systems integration, and networking. Creators generally have technical backgrounds in fields like computer science and mathematics.
The document discusses operating systems and their functions. It describes how operating systems manage computer hardware and software resources, provide common services to programs, and how the most common operating systems are Windows and MacOS. It provides several methods to identify the specific Windows or MacOS version running on a computer. The document also discusses the history and versions of Windows, MacOS, and Android operating systems.
This document discusses file systems and how they provide an abstraction of data storage on hardware. It defines a file system as a mapping from file names to file contents, with files being sequences of bytes. It also notes that different operating systems commonly use different file systems like FAT, NTFS, ext2/3/4, and HFS+. Hard drives and solid state drives actually store data in more complex ways at the physical level.
This document discusses computer software, including system software and application software. It describes how operating systems are a key type of system software that provides essential functions like managing hardware resources and providing a platform for applications. Popular desktop operating systems today include Windows, MacOS, Chrome OS, and Linux, while mobile operating systems include Android and iOS. The document also discusses how operating systems have evolved over time to take advantage of improvements in processing power and memory.
This document discusses downloading files from the internet. It explains that links can point to files that can be downloaded to a computer. To download a file, you can right-click the link and select "Save link as" or "Save target as." Files are often downloaded to the downloads folder by default. The document also notes that downloading files carries security risks and that one should only download files from trusted sources. It defines downloading as copying data from the internet or external storage to one's computer, while uploading is the reverse of copying to the internet or external storage.
El documento describe la carrera de Ingeniería de Sistemas. Explica que los ingenieros de sistemas se encargan del diseño, programación, implementación y mantenimiento de sistemas informáticos para optimizar el rendimiento de las organizaciones. También describe las asignaturas y áreas clave de la carrera como sistemas de información, investigación de operaciones y redes.
The document discusses different managerial roles in information systems. A Chief Information Officer (CIO) heads the information systems function and aligns technology with organizational goals. Functional managers oversee specific functions that report to the CIO, such as systems analysis. An ERP manager maintains and implements changes to enterprise resource planning systems. Project managers are responsible for keeping IT projects on schedule and on budget. An Information Security Officer sets and enforces information security policies to protect organizational data from internal and external threats.
This document discusses different roles that people play in creating information systems. It describes systems analysts as identifying business needs and designing systems to address them. Programmers then write the code to build the systems based on designs. Computer engineers design the underlying hardware and software technologies, with roles in hardware, software, systems integration, and networking. Creators generally have technical backgrounds in fields like computer science and mathematics.
The document discusses operating systems and their functions. It describes how operating systems manage computer hardware and software resources, provide common services to programs, and how the most common operating systems are Windows and MacOS. It provides several methods to identify the specific Windows or MacOS version running on a computer. The document also discusses the history and versions of Windows, MacOS, and Android operating systems.
This document discusses file systems and how they provide an abstraction of data storage on hardware. It defines a file system as a mapping from file names to file contents, with files being sequences of bytes. It also notes that different operating systems commonly use different file systems like FAT, NTFS, ext2/3/4, and HFS+. Hard drives and solid state drives actually store data in more complex ways at the physical level.
This document discusses computer software, including system software and application software. It describes how operating systems are a key type of system software that provides essential functions like managing hardware resources and providing a platform for applications. Popular desktop operating systems today include Windows, MacOS, Chrome OS, and Linux, while mobile operating systems include Android and iOS. The document also discusses how operating systems have evolved over time to take advantage of improvements in processing power and memory.
This document discusses downloading files from the internet. It explains that links can point to files that can be downloaded to a computer. To download a file, you can right-click the link and select "Save link as" or "Save target as." Files are often downloaded to the downloads folder by default. The document also notes that downloading files carries security risks and that one should only download files from trusted sources. It defines downloading as copying data from the internet or external storage to one's computer, while uploading is the reverse of copying to the internet or external storage.
The document discusses file management in Windows operating systems. It describes how to use the Windows File Explorer to organize and manage files and folders on a computer. Key functions covered include copying, moving, and deleting files using tools on the ribbon toolbar like Home, Share, and View tabs. It also explains how to cut, copy, and paste files between locations, and use keyboard shortcuts to perform common file management tasks.
This document discusses different types of computer hardware. It describes personal computers, laptops, mobile phones, tablets, and wearable devices. It explains how these systems have evolved over time as technology has advanced, with smartphones and mobile devices now dominating the market. The document also discusses integrated computing and how technology is being built into everyday products like homes, vehicles and appliances.
This document provides an overview of information systems and their evolution. It begins by defining key terms like data, information, and information systems. It then describes how information systems have evolved over time, starting from the mainframe era where only large organizations could afford room-sized computers, to the PC revolution bringing computers to businesses and individuals with the launch of the IBM PC. The document traces this evolution through additional stages like client-server systems and the modern Internet-connected world. It provides examples and context throughout to illustrate how information systems have transformed and taken on new roles within organizations over decades of technological advancement.
This document provides an introduction to an introductory information technology course. It outlines the course topics which include different types of computing devices, computer applications and software, data analysis, programming, ethics in technology, and information security. It describes the student learning outcomes and evaluations methods which include discussions, quizzes, assignments, exams and a presentation. Guidelines and expectations are provided around assignments, grading, attendance and communication policies.
This document discusses internet privacy, security, and netiquette. It begins by defining internet privacy and noting that privacy concerns have existed since the beginnings of computer sharing. It describes personally identifying information and how privacy relates to information collection. The document outlines risks to internet privacy like cookies and photos online. It emphasizes being careful about what personal information is submitted or posted online so as to avoid issues like identity theft, spam, or information being used by companies for targeted advertising.
The document discusses internet privacy, security, and netiquette. It provides 10 tips for staying safe online, including keeping software updated, being wary of emails from unknown sources, avoiding clicking suspicious links, realizing that free software can still pose risks, not revealing private information on social media, using unique passwords for all accounts, and enabling two-factor authentication. Following basic netiquette rules and safety tips can help users avoid threats like phishing and malware infections.
The document discusses various topics relating to internet privacy, security, and netiquette. It covers computer security and the importance of protecting systems from harm. Examples are given of different systems that are at risk of attacks, including financial systems, utilities, aviation, consumer devices, large corporations, and automobiles. Specific security issues and past attacks are described for each one.
This document provides an introduction to web development. It discusses the brief history of the internet and how it started in the 1960s between government researchers and universities. It also covers website design, including considerations like the fold and landing pages. Finally, it discusses HTML, CSS, fonts, and site maps as important aspects of web development.
The document provides an introduction to HTML and web development. It discusses what HTML is, the different versions of HTML, HTML elements and tags, how to structure an HTML document with the doctype, head, body and other tags. It also covers creating HTML files, adding images, links, and navigation to pages. The goal is to teach the basics of HTML to create simple websites and web pages.
This document discusses several roles involved in the day-to-day operations and administration of information systems, including computer operators who oversee mainframe computers and data centers, database administrators who manage organizational databases, help desk analysts who are the first line of support for computer users, and trainers who conduct classes to teach users specific computer skills. These roles work to ensure technology systems run effectively and that users can make the most of available resources.
The document discusses database security and common threats. It notes that database breaches exposing personally identifiable information increased significantly in 2013, with over 822 million records exposed. Common causes of database breaches included hacking, which accounted for over 59% of reported incidents and 72% of exposed records. Specific large breaches discussed included those affecting Adobe, Target, and the US National Security Agency. The document stresses that database security presents ongoing challenges given the emergence of new threats and no database is completely secure.
The document discusses the relational data model and databases. It introduces the relational data model, which describes data as interrelated tables. It describes key concepts in relational databases including tables, rows, columns, fields/attributes, records, domains, and degrees. It also discusses database design principles, data warehouses for analysis, and approaches to data warehouse design.
This document discusses databases and their importance in information systems. It begins by defining data, information, and knowledge, explaining how data is transformed into useful information and knowledge through organization and context. It then describes different types of databases, focusing on flat file databases and relational databases. Flat file databases store all data in one file but have limitations around data duplication, searchability, and concurrent access. Relational databases break data into normalized tables with relationships between them, addressing those limitations through their structure and use of queries. The document provides examples to illustrate key differences between the two database types.
The document discusses the design of a database for a university to track student club participation. A design team determined that tables were needed to track clubs, students, club memberships, and club events. The team defined the fields for each table, including primary keys. Examples of normalized database tables are also provided, along with explanations of 1st, 2nd, and 3rd normal forms. Additional database topics like data types, file-based systems, and database security are also briefly covered.
The document discusses file-based systems for managing organizational data, which were used before modern database systems. File-based systems had several disadvantages, including data redundancy, data isolation, integrity problems, security issues, and concurrency access conflicts. The development of database management systems provided a new approach for storing and organizing data that helped address these issues.
A database is a shared collection of related data used to support organizational activities. A database management system (DBMS) is a computerized data system that allows users to perform operations on a database. DBMSs can be classified based on data model (relational, hierarchical, etc.), number of users supported (single or multi-user), and database distribution (centralized, distributed, homogeneous, heterogeneous). Database users include end users, application users, application programmers, sophisticated users, and database administrators.
This document discusses several new networking trends, including Bring Your Own Device (BYOD), online collaboration using tools that allow sharing and working together remotely, video communication technologies like video calls and telepresence, and cloud computing which allows storing and accessing data over the internet. It also mentions powerline networking, which uses a home's existing electrical wiring to connect devices to the network.
The document is an introduction to networking and communications. It discusses the history of networks beginning with ARPANET in the 1960s and the development of TCP/IP that allowed different networks to communicate. This led to the creation of the Internet. The introduction of the World Wide Web in the 1990s, beginning with Tim Berners-Lee's project, made the Internet easy to use and browse with graphical web pages. Today, networks are ubiquitous and integral to our daily lives, enabling communication, social media, commerce and more from anywhere through connected devices.
The document discusses file management in Windows operating systems. It describes how to use the Windows File Explorer to organize and manage files and folders on a computer. Key functions covered include copying, moving, and deleting files using tools on the ribbon toolbar like Home, Share, and View tabs. It also explains how to cut, copy, and paste files between locations, and use keyboard shortcuts to perform common file management tasks.
This document discusses different types of computer hardware. It describes personal computers, laptops, mobile phones, tablets, and wearable devices. It explains how these systems have evolved over time as technology has advanced, with smartphones and mobile devices now dominating the market. The document also discusses integrated computing and how technology is being built into everyday products like homes, vehicles and appliances.
This document provides an overview of information systems and their evolution. It begins by defining key terms like data, information, and information systems. It then describes how information systems have evolved over time, starting from the mainframe era where only large organizations could afford room-sized computers, to the PC revolution bringing computers to businesses and individuals with the launch of the IBM PC. The document traces this evolution through additional stages like client-server systems and the modern Internet-connected world. It provides examples and context throughout to illustrate how information systems have transformed and taken on new roles within organizations over decades of technological advancement.
This document provides an introduction to an introductory information technology course. It outlines the course topics which include different types of computing devices, computer applications and software, data analysis, programming, ethics in technology, and information security. It describes the student learning outcomes and evaluations methods which include discussions, quizzes, assignments, exams and a presentation. Guidelines and expectations are provided around assignments, grading, attendance and communication policies.
This document discusses internet privacy, security, and netiquette. It begins by defining internet privacy and noting that privacy concerns have existed since the beginnings of computer sharing. It describes personally identifying information and how privacy relates to information collection. The document outlines risks to internet privacy like cookies and photos online. It emphasizes being careful about what personal information is submitted or posted online so as to avoid issues like identity theft, spam, or information being used by companies for targeted advertising.
The document discusses internet privacy, security, and netiquette. It provides 10 tips for staying safe online, including keeping software updated, being wary of emails from unknown sources, avoiding clicking suspicious links, realizing that free software can still pose risks, not revealing private information on social media, using unique passwords for all accounts, and enabling two-factor authentication. Following basic netiquette rules and safety tips can help users avoid threats like phishing and malware infections.
The document discusses various topics relating to internet privacy, security, and netiquette. It covers computer security and the importance of protecting systems from harm. Examples are given of different systems that are at risk of attacks, including financial systems, utilities, aviation, consumer devices, large corporations, and automobiles. Specific security issues and past attacks are described for each one.
This document provides an introduction to web development. It discusses the brief history of the internet and how it started in the 1960s between government researchers and universities. It also covers website design, including considerations like the fold and landing pages. Finally, it discusses HTML, CSS, fonts, and site maps as important aspects of web development.
The document provides an introduction to HTML and web development. It discusses what HTML is, the different versions of HTML, HTML elements and tags, how to structure an HTML document with the doctype, head, body and other tags. It also covers creating HTML files, adding images, links, and navigation to pages. The goal is to teach the basics of HTML to create simple websites and web pages.
This document discusses several roles involved in the day-to-day operations and administration of information systems, including computer operators who oversee mainframe computers and data centers, database administrators who manage organizational databases, help desk analysts who are the first line of support for computer users, and trainers who conduct classes to teach users specific computer skills. These roles work to ensure technology systems run effectively and that users can make the most of available resources.
The document discusses database security and common threats. It notes that database breaches exposing personally identifiable information increased significantly in 2013, with over 822 million records exposed. Common causes of database breaches included hacking, which accounted for over 59% of reported incidents and 72% of exposed records. Specific large breaches discussed included those affecting Adobe, Target, and the US National Security Agency. The document stresses that database security presents ongoing challenges given the emergence of new threats and no database is completely secure.
The document discusses the relational data model and databases. It introduces the relational data model, which describes data as interrelated tables. It describes key concepts in relational databases including tables, rows, columns, fields/attributes, records, domains, and degrees. It also discusses database design principles, data warehouses for analysis, and approaches to data warehouse design.
This document discusses databases and their importance in information systems. It begins by defining data, information, and knowledge, explaining how data is transformed into useful information and knowledge through organization and context. It then describes different types of databases, focusing on flat file databases and relational databases. Flat file databases store all data in one file but have limitations around data duplication, searchability, and concurrent access. Relational databases break data into normalized tables with relationships between them, addressing those limitations through their structure and use of queries. The document provides examples to illustrate key differences between the two database types.
The document discusses the design of a database for a university to track student club participation. A design team determined that tables were needed to track clubs, students, club memberships, and club events. The team defined the fields for each table, including primary keys. Examples of normalized database tables are also provided, along with explanations of 1st, 2nd, and 3rd normal forms. Additional database topics like data types, file-based systems, and database security are also briefly covered.
The document discusses file-based systems for managing organizational data, which were used before modern database systems. File-based systems had several disadvantages, including data redundancy, data isolation, integrity problems, security issues, and concurrency access conflicts. The development of database management systems provided a new approach for storing and organizing data that helped address these issues.
A database is a shared collection of related data used to support organizational activities. A database management system (DBMS) is a computerized data system that allows users to perform operations on a database. DBMSs can be classified based on data model (relational, hierarchical, etc.), number of users supported (single or multi-user), and database distribution (centralized, distributed, homogeneous, heterogeneous). Database users include end users, application users, application programmers, sophisticated users, and database administrators.
This document discusses several new networking trends, including Bring Your Own Device (BYOD), online collaboration using tools that allow sharing and working together remotely, video communication technologies like video calls and telepresence, and cloud computing which allows storing and accessing data over the internet. It also mentions powerline networking, which uses a home's existing electrical wiring to connect devices to the network.
The document is an introduction to networking and communications. It discusses the history of networks beginning with ARPANET in the 1960s and the development of TCP/IP that allowed different networks to communicate. This led to the creation of the Internet. The introduction of the World Wide Web in the 1990s, beginning with Tim Berners-Lee's project, made the Internet easy to use and browse with graphical web pages. Today, networks are ubiquitous and integral to our daily lives, enabling communication, social media, commerce and more from anywhere through connected devices.
9. ¡Cómo configurar su
correo “Gmail” para poder
recibir los mensajes
entrantes en otro Correo?
Dr Luis Castellanos
Maracaibo, 2014
luiscastellanos@yahoo.com
@lrcastellanos