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In an academic context, the Association for Computing Machinery defines IT as "undergraduate degree programs that prepare students to meet the computer technology needs of business, government, healthcare, schools, and other kinds of organizations .... IT specialists assume responsibility for selecting hardware and software products appropriate for an organization, integrating those products with organizational needs and infrastructure, and installing, customizing, and maintaining those applications for the organization’s computer users." In a business context, the Information Technology Association of America has defined information technology as "the study, design, development, application, implementation, support or management of computer-based information systems". The responsibilities of those working in the field include network administration, software development and installation, and the planning and management of an organization's technology life cycle, by which hardware and software are maintained, upgraded and replaced. The business value of information technology lies in the automation of business processes, provision of information for decision making, connecting businesses with their customers, and the provision of productivity tools to increase efficiency. Information technology (IT) is the use of computers to store, retrieve, transmit, and manipulate data,[1] or information, often in the context of a business or other enterprise. IT is considered to be a subset of information and communications technology (ICT). An information technology system (IT system) is generally an information system, a communications system or, more specifically speaking, a computer system – including all hardware, software and peripheral equipment – operated by a limited group of users. Information systems (IS) are formal, sociotechnical, organizational systems designed to collect, process, store, and distribute information. In a sociotechnical perspective, information systems are composed by four components: task, people, structure (or roles), and technology. A computer information system is a system composed of people and computers that processes or interprets information. The term is also sometimes used in more restricted senses to refer to only the software used to run a computerized database or to refer to only a computer system. Information Systems is an academic study of systems with a specific reference to information and the complementary networks of hardware and software that people and organizations use to collect, filter, process, create and also distribute data. An emphasis is placed on an information system having a definitive boundary, users, processors, storage, inputs, outputs and the aforementioned communication networks. Any specific information system aims to support operations, management and decision-making. An information system is the information and communication technology (ICT) that an organization uses, and also the way in which people interact with this technology in support of business processes. Some authors make a clear distinction between information systems, computer systems, and business processes. Information systems typically include an ICT component but are not purely concerned with ICT, focusing instead on the end use of information technology. Information systems are also different from business processes. Information systems help to control the performance of business processes. Alter argues for advantages of viewing an information system as a special type of work system. A work system is a system in which humans or machines perform processes and activities using resources to produce specific products or services for customers. An information system is a work system whose activities are devoted to capturing, transmitting, storing, retrieving, manipulating and displaying information. As such, information systems inter-relate with data systems on the one hand and activity systems on the other. An information system is a form of communication system in which data represent and are processed as a form of social memory. An information system can also be considered a semi-formal language which supports human decision making and action. Information systems are the primary focus of study for organizational informatics. Arizona (/ˌærɪˈzoʊnə/ (
![]() Saguaro cactus flowers and buds after a wet winter. This is Arizona's official state flower.
Arizona is the 48th state and last of the contiguous states to be admitted to the Union, achieving statehood on February 14, 1912, coinciding with Valentine's Day. Historically part of the territory of Alta California in New Spain, it became part of independent Mexico in 1821. After being defeated in the Mexican–American War, Mexico ceded much of this territory to the United States in 1848. The southernmost portion of the state was acquired in 1853 through the Gadsden Purchase. Southern Arizona is known for its desert climate, with very hot summers and mild winters. Northern Arizona features forests of pine, Douglas fir, and spruce trees; the Colorado Plateau; mountain ranges (such as the San Francisco Mountains); as well as large, deep canyons, with much more moderate summer temperatures and significant winter snowfalls. There are ski resorts in the areas of Flagstaff, Alpine, and Tucson. In addition to the Grand Canyon National Park, there are several national forests, national parks, and national monuments. About one-quarter of the state[7] is made up of Indian reservations that serve as the home of 27 federally recognized Native American tribes, including the Navajo Nation, the largest in the state and the United States, with more than 300,000 citizens. Although federal law gave all Native Americans the right to vote in 1924, Arizona excluded those living on reservations in the state from voting until the state Supreme Court ruled in favor of Native American plaintiffs in Trujillo v. Garley (1948).[8][9] Arizona is in the Southwestern United States as one of the Four Corners states. Arizona is the sixth largest state by area, ranked after New Mexico and before Nevada. Of the state's 113,998 square miles (295,000 km2), approximately 15% is privately owned. The remaining area is public forest and park land, state trust land and Native American reservations. Arizona is well known for its desert Basin and Range region in the state's southern portions, which is rich in a landscape of xerophyte plants such as the cactus. This region's topography was shaped by prehistoric volcanism, followed by the cooling-off and related subsidence. Its climate has exceptionally hot summers and mild winters. The state is less well known for its pine-covered north-central portion of the high country of the Colorado Plateau (see Arizona Mountains forests). Like other states of the Southwest United States, Arizona has an abundance of mountains and plateaus. Despite the state's aridity, 27% of Arizona is forest,[36] a percentage comparable to modern-day France or Germany[citation needed]. The world's largest stand of ponderosa pine trees is in Arizona.[37] The Mogollon Rim, a 1,998-foot (609 m) escarpment, cuts across the state's central section and marks the southwestern edge of the Colorado Plateau. In 2002, this was an area of the Rodeo–Chediski Fire, the worst fire in state history. Located in northern Arizona, the Grand Canyon is a colorful, deep, steep-sided gorge, carved by the Colorado River. The canyon is one of the seven natural wonders of the world and is largely contained in the Grand Canyon National Park—one of the first national parks in the United States. President Theodore Roosevelt was a major proponent of designating the Grand Canyon area as a National Park, often visiting to hunt mountain lion and enjoy the scenery. The canyon was created by the Colorado River cutting a channel over millions of years, and is about 277 miles (446 km) long, ranges in width from 4 to 18 miles (6 to 29 km) and attains a depth of more than 1 mile (1.6 km). Nearly two billion years of the Earth's history have been exposed as the Colorado River and its tributaries cut through layer after layer of sediment as the Colorado Plateau uplifted. Arizona is home to one of the most well-preserved meteorite impact sites in the world. Created around 50,000 years ago, the Barringer Meteorite Crater (better known simply as "Meteor Crater") is a gigantic hole in the middle of the high plains of the Colorado Plateau, about 25 miles (40 km) west of Winslow. A rim of smashed and jumbled boulders, some of them the size of small houses, rises 150 feet (46 m) above the level of the surrounding plain. The crater itself is nearly 1 mile (1.6 kilometers) wide, and 570 feet (170 m) deep. Arizona is one of two U.S. states that does not observe Daylight Saving Time (the other being Hawaii). The exception is within the large Navajo Nation (which observes Daylight Saving Time), in the state's northeastern region. Due to its large area and variations in elevation, the state has a wide variety of localized climate conditions. In the lower elevations, the climate is primarily desert, with mild winters and extremely hot summers. Typically, from late fall to early spring, the weather is mild, averaging a minimum of 60 °F (16 °C). November through February are the coldest months, with temperatures typically ranging from 40 to 75 °F (4 to 24 °C), with occasional frosts.[40] About midway through February, the temperatures start to rise, with warm days, and cool, breezy nights. The summer months of June through September bring a dry heat from 90 to 120 °F (32 to 49 °C), with occasional high temperatures exceeding 125 °F (52 °C) having been observed in the desert area.[40] Arizona's all-time record high is 128 °F (53 °C) recorded at Lake Havasu City on June 29, 1994, and July 5, 2007; the all-time record low of −40 °F (−40 °C) was recorded at Hawley Lake on January 7, 1971. Due to the primarily dry climate, large diurnal temperature variations occur in less-developed areas of the desert above 2,500 ft (760 m). The swings can be as large as 83 °F (46 °C) in the summer months. In the state's urban centers, the effects of local warming result in much higher measured night-time lows than in the recent past. Arizona has an average annual rainfall of 12.7 in (323 mm),[41] which comes during two rainy seasons, with cold fronts coming from the Pacific Ocean during the winter and a monsoon in the summer.[42] The monsoon season occurs toward the end of summer. In July or August, the dewpoint rises dramatically for a brief period. During this time, the air contains large amounts of water vapor. Dewpoints as high as 81 °F (27 °C)[43] have been recorded during the Phoenix monsoon season. This hot moisture brings lightning, thunderstorms, wind, and torrential, if usually brief, downpours. These downpours often cause flash floods, which can turn deadly. In an attempt to deter drivers from crossing flooding streams, the Arizona Legislature enacted the Stupid Motorist Law. It is rare for tornadoes or hurricanes to occur in Arizona. Arizona's northern third is a plateau at significantly higher altitudes than the lower desert, and has an appreciably cooler climate, with cold winters and mild summers, though the climate remains semiarid to arid. Extremely cold temperatures are not unknown; cold air systems from the northern states and Canada occasionally push into the state, bringing temperatures below 0 °F (−18 °C) to the state's northern parts. Indicative of the variation in climate, Arizona is the state which has both the metropolitan area with the most days over 100 °F (38 °C) (Phoenix), and the metropolitan area in the lower 48 states with the most days with a low temperature below freezing (Flagstaff).[44] The 2011 total gross state product was $259 billion. This figure gives Arizona a larger economy than such countries as Ireland, Finland, and New Zealand.[dubious – discuss] The composition of the state's economy is moderately diverse; although health care, transportation and the government remain the largest sectors. The state's per capita income is $40,828, ranking 39th in the U.S. The state had a median household income of $50,448, making it 22nd in the country and just below the U.S. national mean.[77] Early in its history, Arizona's economy relied on the "five C's": copper (see Copper mining in Arizona), cotton, cattle, citrus, and climate (tourism). Copper is still extensively mined from many expansive open-pit and underground mines, accounting for two-thirds of the nation's output. Arizona is served by three public universities: The University of Arizona, Arizona State University, and Northern Arizona University. These schools are governed by the Arizona Board of Regents. Private higher education in Arizona is dominated by a large number of for-profit and "chain" (multi-site) universities.[99] Embry–Riddle Aeronautical University, Prescott and Prescott College are Arizona's only non-profit four-year private colleges.[100] Arizona has a wide network of two-year vocational schools and community colleges. These colleges were governed historically by a separate statewide Board of Directors but, in 2002, the state legislature transferred almost all oversight authority to individual community college districts.[101] The Maricopa County Community College District includes 11 community colleges throughout Maricopa County and is one of the largest in the nation.
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School Descriptioninformation systems Arizona ListingThe Information Technology (IT) program is designed for the baccalaureate-level college graduate seeking to pursue a career in IT. The program is structured around a core of technology-oriented specialty courses with emphasis on applying computer technology to solve business problems. Students draw on their college and business backgrounds as they work in teams to develop solutions to case studies. Project management, communication skills and ongoing IT administration, all of which are critically important in today's rapidly changing business environment, are integrated across the program. |
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