Computer Information Systems Final Exam - Study Guide.cx.pdf

Prints on an adhesive type material that can be

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prints on an adhesive-type material that can be placed on a variety of items -plotters are used to produce high-quality drawings -large-format printers create photo-realistic quality color prints -impact printers form characters and graphics on a piece of paper by striking a mechanism against an inked ribbon that physically contacts the paper -speakers and speaker systems attached to game consoles, computers, mobile devices -headphones, earbuds, data projector, interactive whiteboard, joysticks, wheels, gamepads, and motion-sensing game controllers -head-mounted pointer, braille printer, Chapter 8: Storage What is a storage device? -storage device: hardware that records and/or retrieves items to and from storage media -examples: Internal hard disks,External hard disks,Solid-state drives (SSDS),Memory cards,USB flash drives,optical discs,network attached,storage devices,magnetic stripe cards,smart cards,RFID tags,Microfilm,Cloud storage Hard disk, SSD, Optical Disk, Cloud Storage -Hard disk: contains one or more inflexible, circular platters that use magnetic particles to store data, instructions, and information(platter is made of aluminum, glass, or ceramic and is coated with alloy material) Flash Disk, Memory Card Chapter 9: Operating Systems What is an Operating System? How it works? An operating system is the software that supports a computer's basic functions, such as scheduling tasks, executing applications, and controlling peripherals. System Software and System Tools Windows vs MAC vs Linux Windows accounts for over 80% of global operating systems used, and often comes preloaded on most
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computers. Chapter 10: Networks What is a computer network? -a collection of computers and devices connected together via communications devices and transmission media LAN, wLAN, MAN, WAN -LAN: local area network: network that connects computers and devices in a limited geographical area -wLan: LAN w/o physical wires -MAN: metropolitan area network -WAN: wide area network, covers large geographic area Modem, Router, Switch, Wireless Access Points -broadband modem: sends and receives data and info to and from digital line -wireless modem: uses a mobile phone provider’s network to connect to internet wirelessly -router:connects multiple computers or other routers together and transmit data to its correct destination on a network -hub/switch: device that provides a central point for cables in a network Ethernet, TCP/IP, IEEE Chapter 11: Building Solutions Data-Database-Information File Processing vs. Database Models Relational, Object-oriented, Multidimensional Databases Table, Query, Form, Report Chapter 12: Information Systems
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What is an Information System and what it consists of? -Set of hardware, software, data, people, and procedures that work together to produce info Data Integrity: Accurate, Verifiable, Timely, Organized, Accessible, Useful, Cost effective - Information Systems: DMS, CMS, TPS, MIS, DDS Expert System, Artificial Intelligence
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