CSC Midterm Exam With 100% Correct And Verified Answers 2024, Exams of Advanced Education

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CSC Midterm Exam With 100% Correct

And Verified Answers 2024

computer literacy (digital literacy) - Correct Answer-Current knowledge and understanding of computers and their uses computer - Correct Answer-•Electronic device operating under the control of instructions stored in its own memory •Accepts data •Processes data into information •Produces and stores results data - Correct Answer-Collection of unprocessed items information - Correct Answer-Conveys meaning and is useful to people What is the information processing cycle? - Correct Answer-Input, Process, Output, Storage, Communication input device - Correct Answer-any hardware component that allows users to enter data and instructions into a computer Examples of input devices - Correct Answer-scanner, camera, keyboard, mouse, webcam, microphone output device - Correct Answer-Hardware that conveys info to one or more people Examples of output devices - Correct Answer-printer, monitor, speaker system unit - Correct Answer-•Case that contains the electronic components of the computer that are used to process data •contains two types of memory: Volatile memory and nonvolatile memory What are two main components on the motherboard? - Correct Answer-Processor and Memory Processor - Correct Answer-•Also called a Central Processing Unit (CPU) •The electronic component that interprets and carries out the basic instructions that operate the computer Memory - Correct Answer-Consists of electronic components that store instructions waiting to be executed and data needed by those instructions

storage - Correct Answer-Holds data, instructions, & info for future use Storage media - Correct Answer-Physical material on which data, instructions, and information are stored Storage device - Correct Answer-Records & retrieves items to & from storage media USB flash drive - Correct Answer-•Portable storage device •Small and lightweight enough to be transported on a keychain or in a pocket •The average USB flash drive can hold about 2 billion characters hard disk - Correct Answer-•Provides greater storage capacity than a USB flash drive •Most are housed inside the system unit compact disc - Correct Answer-•Flat, round, portable metal disc -CD & DVD communications device - Correct Answer-•Hardware component that enables a computer to send and receive data, instructions, and information •Occurs over cables, telephone lines, cellular radio networks, satellites, and other transmission media advantages of using computers - Correct Answer-speed, consistency, reliability, storage, & communications disadvantages of using computers - Correct Answer-violation of privacy, public safety, impact on labor force, health risks, & impact on environment network - Correct Answer-•Collection of computers and devices connected together, often wirelessly •Used to share resources, hardware devices, data, software programs, info, & saves time and money server - Correct Answer-•controls access to resources on a network •Clients, or workstations, request resources from the server Internet - Correct Answer-Worldwide collection of networks that connects millions of businesses, government agencies, educational institutions, and individuals Why do users access the Internet? - Correct Answer-Communications, Research & Info, Shopping, Banking & Investing, Classes, Entertainment, Download Music, Share Info Web - Correct Answer-Billions of documents, called Web pages, available to anyone connected to the Internet

Web site - Correct Answer-•a collection of related Web pages •You can share info on a social networking Web site or a photo sharing community podcast - Correct Answer-recorded audio stored on a Web site that can be downloaded Web page - Correct Answer-•contains text, graphics, audio, video, and links to other Web pages -Surfing the Web •Some Web pages are designed specifically for microbrowsers •has a unique address called a URL or Web address blog - Correct Answer-consists of time-stamped articles in a journal format software - Correct Answer-•Consists of a series of instructions that tells the computer what to do and how to do it •Also called a program graphical user interface (GUI) - Correct Answer-•Allows you to interact with the software using text, graphics, and visual images such as icons •Controls how you enter data and instructions and how the screen displays information system software - Correct Answer-Programs that control or maintain the operations of the computer and its devices Operating System (OS) - Correct Answer-a set of programs that coordinates all activities among computer hardware devices Utility Programs - Correct Answer-allow the user to perform maintenance-type tasks usually related to managing a computer, its devices or its programs application software - Correct Answer-•Programs designed to make users more productive -word processing, spreadsheet, database, & presentation graphics How do you install and run programs? - Correct Answer-1) When you insert a program disc, such as Microsoft Student, in the CD or DVD drive for the first time, the computer begins the procedure of installing the program on the hard disk. (INSTALL)

2. Once installed, you can instruct the computer to run the program. The computer transfers instructions from the hard disk to memory. (RUN)
3. The program executes so that you can use it. This program provides assistance w/ math and other academic assignments. (USE) programmer - Correct Answer-•Someone who develops software •writes the instructions to direct the computer to process data into information

categories of computers - Correct Answer-Personal Computers (desktop), Game Consoles, Mobile Computers and Mobile Devices, Servers, Supercomputers, Mainframes, & Embedded Computers What are the two most popular styles of personal computers? - Correct Answer-•PC & compatibles use the Window operating system •Apple Macintosh usually uses the Macintosh operating system (Mac OS X) desktop computer - Correct Answer-Designed so all of the components fit entirely on or under a desk or table notebook computer - Correct Answer-•Portable, small enough to fit on your lap •Also called a laptop computer •Usually more expensive than a desktop computer with equal capabilities Tablet PC - Correct Answer-•Resembles a letter-sized slate •Allows you to write on the screen using a digital pen •Especially useful for taking notes mobile devices - Correct Answer-•Small enough to carry in a pocket •Internet-enabled telephone is a "smart phone" handheld computer - Correct Answer-•Small enough to fit in one hand •Used by mobile employees such as meter readers and delivery people personal digital assistant (PDA) - Correct Answer-•Provides personal organizer functions -Calendar, Appointment book, Address book, Calculator, Notepad game consoles - Correct Answer-Mobile computing device designed for single-player or multiplayer video games server - Correct Answer-controls access to network resources and provides centralized storage Mainframe - Correct Answer-Very powerful, expensive computer that supports thousands of connected users Supercomputer - Correct Answer-•The fastest, most powerful, most expensive computer •Used for applications requiring complex mathematical calculations embedded computer - Correct Answer-A special-purpose computer that functions as a component in a larger product

What are information system elements? - Correct Answer-Hardware, Software, Data, People, Procedures What software is available for a home user? - Correct Answer-Personal finance management, Web access, Communications, Entertainment What software is available for a smal office/home office (SOHO) user? - Correct Answer-Productivity software, Specialty software, Web usage, E-mail What is available for a mobile user? - Correct Answer-•Hardware -Notebook computers, Tablet PCs, Internet-enabled PDAs, Smart phones •Software -Word processing, Spreadsheet, Presentation graphics software What are the needs of a power user? - Correct Answer-Speed and large amounts of storage Types of power users - Correct Answer-Engineers, Scientists, Architects, Desktop publishers, Graphic artists What are the needs of the large business user? - Correct Answer-Payroll, Inventory, E- commerce, Desktop publishing What are some examples of computer applications in society? - Correct Answer- Education, Finance, Government, Health Care, Science, Publishing, Travel, Manufacturing Evolution of the Internet - Correct Answer-The Internet originated as ARPANET in September 1969 and had two main goals:

1. Allow scientists at different physical locations to share information and work together
2. Function even if part of the network were disabled or destroyed by a disaster 1969 - Correct Answer-ARPANET becomes functional 1984 - Correct Answer-ARPANET has more than 1,000 individual computers linked as hosts 1986 - Correct Answer-NSF connects NSFnet to ARPANET and becomes known as the Internet 1995 - Correct Answer-NSFNet terminates its network on the Internet and resumes status as research network 1996 - Correct Answer-Internet2 is founded

Today - Correct Answer-More than 550 million hosts connect to the Internet Each organization - Correct Answer-is responsible only for maintaining its own network World Wide Web Consortium (W3C) - Correct Answer-oversees research and sets guidelines and standards Internet2 - Correct Answer-connects more than 200 universities and 115 companies via a high-speed private network Many home and small business users - Correct Answer-•connect to the Internet via high-speed broadband Internet service -cable internet service, DSL, fiber to the remises (FTTP), fixed wireless, cellular radio network, Wi-Fi, satellite internet service access provider - Correct Answer-a business that provides individuals & organizations access to the Internet free or for a fee Regional ISPs - Correct Answer-provide Internet access to a specific geographical area National ISPs - Correct Answer-provide Internet access in cities and towns nationwide Online service provider (OSP) - Correct Answer-•Has many members- only features •Popular OSPs include AOL (America Online) and MSN (Microsoft Network) Wireless Internet service provider (WISP) - Correct Answer-•Provides wireless Internet access to computers and mobile devices •May require a wireless modem IP address - Correct Answer-a number that uniquely identifies each computer or device connected to the Internet domain name - Correct Answer-•the text version of an IP address

• Top-level domain (TLD) DNS server - Correct Answer-translates the domain name into its associated IP address World Wide Web - Correct Answer-•aka Web •consists of a worldwide collection of electronic documents (Web pages) •Information presented on the Web must be evaluated for accuracy •No one oversees the content of Web pages Web site - Correct Answer-a collection of related Web pages & associated items Web server - Correct Answer-a computer that delivers requested Web pages to your computer

Web 2.0 - Correct Answer-•refers to Web sites that provide a means for users to interact •provide the following features -API (Application Programming interface) -User generated content -Dynamic Interface using AJAX (Asynchronous javascript) -User participation Web browser, or browser - Correct Answer-•allows users to access Web pages and Web 2.0 programs -internet explorer, firefox, opera, safari, google chrome •Some Web browsers contain an Instant Search box to eliminate the steps of displaying the search engine's Web page prior to entering the search text home page - Correct Answer-first page that a Web site displays Downloading - Correct Answer-the process of receiving info Tabbed browsing - Correct Answer-allows you to open and view multiple Web pages in a single Web browser window Two types of search tools - Correct Answer-are search engines and subject directories Search engine - Correct Answer-Finds information related to a specific topic helpful in locating items such as: images, video, audio, news, maps, people or businesses, blogs Subject directory - Correct Answer-Classifies Web pages in an organized set of categories Search operators - Correct Answer-can help to refine your search What are the 13 types of web sites? - Correct Answer-portal, news, informational, business/ marketing, blog, wiki, online social network, educational, entertainment, advocacy, web application, content aggregator, & personal Multimedia - Correct Answer-refers to any application that combines text with: graphics, animation, audio, video, & virtual reality graphic - Correct Answer-•a digital representation of nontext information •Graphic formats include BMP, GIF, JPEG, PNG, and TIFF thumbnail - Correct Answer-a small version of a larger graphic Animation - Correct Answer-the appearance of motion created by displaying a series of still images in sequence

Audio - Correct Answer-•includes music, speech, or any other sound -compressed to reduce file size •You listen to audio on your computer using a player Streaming - Correct Answer-the process of transferring data in a continuous and even flow Video - Correct Answer-consists of full-motion images that are played back at various speeds Virtual reality (VR) - Correct Answer-the use of computers to simulate a real or imagined environment that appears as a three-dimensional space plug-in - Correct Answer-a program that extends the capability of a Web browser Web publishing - Correct Answer-•the development and maintenance of Web pages -plan a website, analyze and design a Web site, create a web site, deploy a web site, & maintain a web site E-commerce - Correct Answer-•a business transaction that occurs over an electronic network

• M-commerce identifies e-commerce that takes place using mobile devices Business-to-consumer (B2C) - Correct Answer-ebay Business-to-business (B2B) - Correct Answer-dell Consumer-to-consumer (C2C) - Correct Answer-craigslist E-mail - Correct Answer-the transmission of messages and files via a computer network e-mail program - Correct Answer-allows you to create, send, receive, forward, store, print, and delete e-mail messages mailing list - Correct Answer-•a group of e-mail names and addresses given a single name -Subscribing adds your e-mail name and address - -Unsubscribing removes your name Instant messaging (IM) - Correct Answer-a real-time Internet communications service chat - Correct Answer-a real-time typed conversation that takes place on a computer chat room - Correct Answer-a location on an Internet server that permits users to chat with each other

VoIP (Voice over IP) - Correct Answer-•enables users to speak to other users over the Internet

• Also called Internet telephony newsgroup - Correct Answer-an online area in which users have written discussions about a particular subject
• Typically requires a newsreader message board - Correct Answer-a Web-based type of discussion group FTP (File Transfer Protocol) - Correct Answer-•an Internet standard that permits file uploading & downloading with other computers on the Internet -Many operating systems include FTP capabilities FTP server - Correct Answer-a computer that allows users to upload and/or download files using FTP Netiquette - Correct Answer-the code of acceptable Internet behavior HTTP - Hypertext Transfer Protocol - Correct Answer-A set of rules for transferring images, text, etc over the WWW SMTP - Simple Mail Transfer Protocol - Correct Answer-A set of rules for transferring email over the Internet API - Correct Answer-•aka Application Programming Interface •Allows an application to interact w/ a webservice DNS - Domain Name System - Correct Answer-A set of rules for converting IP no to domain name Gmail - Correct Answer-uses AJAX to present an interactive user interface Javascript - Correct Answer-a programming language AJAX - Correct Answer-a feature in javascript that allows functions to be performed in parallel often times without the need for reloading the page User participation - Correct Answer-including Comments, Likes, Sharing, etc. Application software - Correct Answer-•consists of programs designed to make users more productive and/or assist with personal tasks -To make business activities more efficient -To assist with graphics and multimedia projects -To support home, personal, and educational tasks -To facilitate communications

•Available in a variety of forms: Packaged software, Custom software, Web application, open source software, shareware, freeware, public-domain software What are the 4 categories of application software? - Correct Answer-business, graphics and media, home/ personal/ educational, communications System software - Correct Answer-•serves as the interface between the user, the application software, and the computer's hardware

• Utility programs Business software - Correct Answer-•application software that assists people while performing business activities -word processing, spreadsheet, database, presentation, note taking, personal info manager, business software for phones, business software suites, project management, accounting, document management, & enterprise computing software Word processing software - Correct Answer-•allows users to create and manipulate documents •Additional word processing features include -AutoCorrect, AutoFormat, Collaboration, Columns, Grammar Checker, Ink Input, Macros, Mail Merge, Reading Layout, Research, Search and Replace, Smart Tags, Tables, Templates, Thesaurus, Tracking Changes, Voice Recognition, Web Page Development Clip art - Correct Answer-a collection of electronic drawings, photos, and other images Create a document - Correct Answer-•Enter text and numbers •Insert images •Perform other tasks Edit a document - Correct Answer-•Make changes to existing content •Inserting, deleting, cutting, copying, and pasting Format a document - Correct Answer-• Change appearance -Font & Font size Spreadsheet software - Correct Answer-allows users to organize data in rows and columns and perform calculations function - Correct Answer-a predefined formula that performs common calculations Charting - Correct Answer-depicts data in a spreadsheet in graphical form database - Correct Answer-a collection of data organized in a manner that allows access, retrieval, and use of that data

Database software - Correct Answer-allows users to create, access, & manage a database Presentation software - Correct Answer-allows users to create visual aids for presentations to communicate ideas, messages, and other information to a group Note taking software - Correct Answer-application software that enables users to enter typed text, handwritten comments, drawings, or sketches anywhere on a page software suite - Correct Answer-a collection of individual programs available together as a unit personal information manager (PIM) - Correct Answer-application software that includes Appointment calendar, Address book, Notepad Scaled down versions of software - Correct Answer-are available to work with smart phones and other mobile devices Project management software - Correct Answer-allows a user to plan, schedule, track, and analyze the events, resources, and costs of a project Accounting software - Correct Answer-helps companies record and report their financial transactions Document management software - Correct Answer-provides a means for sharing, distributing, and searching through documents by converting them into a format that can be viewed by any user Enterprises - Correct Answer-•typically require special computing solutions for various functional units -Human resources, Marketing, Accounting, Sales, Engineering, Manufacturing, Distribution, Information technology, Customer Service Graphics and Multimedia Software - Correct Answer-Computer-aided design (CAD) software, Desktop publishing software, Paint/Image editing software, Professional photo editing software, Video and audio editing software, Multimedia authoring software Web page authoring software - Correct Answer-helps users of all skill levels create Web pages that include multimedia and interactive content Software for Home, Personal, and Educational Use - Correct Answer-Personal DTP software, Personal paint/image editing software, Personal photo editing software, Clip art/image gallery, Video and audio editing software, Home design/landscaping software, Travel and mapping software, Reference software, Educational software, Entertainment software

Web application - Correct Answer-a Web site that allows users to access and interact with software from any computer or device that is connected to the Internet Application Software for Communications - Correct Answer-Web Browser, Text, Picture, Video Messaging, E-Mail, RSS Aggregator, Instant Messaging, Blogging, Chat Room, Newsgroup/Message Board, FTP, VoIP, Video Conferencing Online Help - Correct Answer-•the electronic equivalent of a user manual -You can ask a question or access the Help topics in subject or alphabetical order Web-based Help - Correct Answer-provides updates & more comprehensive resources to respond to technical issues about software Web-based training - Correct Answer-a type of CBT that uses Internet technology and consists of application software on the Web Distance learning (DL) - Correct Answer-the delivery of education at one location while the learning takes place at other locations system unit - Correct Answer-•a case that contains electronic components of the computer used to process data •The inside of the system unit on a desktop personal computer includes: Drive bay(s), Power supply, Sound card, Video card, Processor, Memory motherboard - Correct Answer-the main circuit board of the system unit computer chip - Correct Answer-contains integrated circuits processor - Correct Answer-•also called the central processing unit (CPU), interprets and carries out the basic instructions that operate a computer •Contain a control unit and an arithmetic logic unit (ALU) •The processor contains registers, that temporarily hold data and instructions control unit - Correct Answer-the component of the processor that directs and coordinates most of the operations in the computer arithmetic logic unit (ALU) - Correct Answer-performs arithmetic, comparison, & other operations machine cycle - Correct Answer-a processor repeats a set of four basic operations for every instruction pipelining - Correct Answer-•Most current personal computers support pipelining -Processor begins fetching a second instruction before it completes the machine cycle for the first instruction

system clock - Correct Answer-•controls the timing of all computer operations •The pace of the system clock is called the clock speed, and is measured in gigahertz (GHz) What are the leading manufacturers of personal computer processor chips? - Correct Answer-Intel and AMD processor chip - Correct Answer-•generates heat that could cause the chip to burn up •Require additional cooling -Heat sinks -Liquid cooling technology Parallel processing - Correct Answer-•uses multiple processors simultaneously to execute a single program or task -Massively parallel processing involves hundreds or thousands of processors Analog signals - Correct Answer-are continuous and vary in strength and quality Digital signals - Correct Answer-•are in one of two states: on or off •Most computers are digital binary system - Correct Answer-•uses two unique digits (0 and 1) -Bits (binary digit) and bytes computer circuit - Correct Answer-represents the 0 or 1 electronically by the presence or absence of an electrical charge byte - Correct Answer-•8 bits grouped together as a unit •represents a single character in the computer ASCII (American Standard Code for Information Interchange) - Correct Answer-the most widely used coding scheme to represent data Memory - Correct Answer-•consists of electronic components that store instructions waiting to be executed by the processor, data needed by those instructions, and the results of processing the data •Stores 3 basic categories of items: -The operating system and other system software -Application programs -Data being processed and the resulting info •Each location in memory has an address Memory size - Correct Answer-measured in kilobytes (KB or K), megabytes (MB), gigabytes (GB), or terabytes

Volatile memory - Correct Answer-•Loses its contents when power is turned off •Example includes RAM Nonvolatile memory - Correct Answer-•Does not lose contents when power is removed •Examples include ROM, flash memory, and CMOS 3 basic types of RAM chips exist: - Correct Answer-Dynamic RAM (DRAM), Static RAM (SRAM) Magnetoresistive RAM (MRAM) SDRAM (Synchronous DRAM) - Correct Answer-•synchronized to the system clock •much faster than DRAM DDR SDRAM (Double Data Rate SDRAM) - Correct Answer-•transfers data twice, instead of once, for each clock cycle •faster than SDRAM DDR2 - Correct Answer-•2nd generation of DDR •faster than DDR DDR3 - Correct Answer-•3rd generation of DDR •designed for computers w/ multi-core processors •faster than DDR RDRAM (Rambus DRAM) - Correct Answer-•uses pipelining techniques •much faster than SDRAM RAM chips - Correct Answer-usually reside on a memory module and are inserted into memory slots RAM - Correct Answer-•The amount of RAM necessary in a computer often depends on the types of software you plan to use •2 GB or less: home & business users managing personal finances •2 GB-8 GB: users requiring more advanced multimedia capabilities •8 Gb and up: power users creating professional Web sites Memory cache - Correct Answer-speeds the processes of the computer because it stores frequently used instructions and data Read-only memory (ROM) - Correct Answer-•refers to memory chips storing permanent data and instructions -Firmware PROM (programmable read-only memory) chip - Correct Answer-•a blank ROM chip that can be written to permanently -EEPROM can be erased

Flash memory - Correct Answer-can be erased electronically and rewritten CMOS technology - Correct Answer-provides high speeds & consumes little power Access time - Correct Answer-•the amount of time it takes the processor to read from memory -Measured in nanoseconds expansion slot - Correct Answer-•a socket on the motherboard that can hold an adapter card •connect to expansion buses adapter card - Correct Answer-•enhances functions of a component of the system unit and/or provides connections to peripherals -Sound card and video card Plug and Play - Correct Answer-the computer automatically can configure adapter cards and other peripherals as you install them Removable flash memory - Correct Answer-includes: Memory cards, USB flash drives, and PC Cards/ExpressCard modules port - Correct Answer-•the point at which a peripheral attaches to or communicates with a system unit (sometimes referred to as a jack) •On a notebook computer, the ports are on the back, front, and/or sides connector - Correct Answer-joins cable to a port USB port - Correct Answer-•can connect up to 127 different peripherals together w/ a single connector -You can attach multiple peripherals using a single USB port with a USB hub Other types of ports include: - Correct Answer-Firewire port, Bluetooth port, SCSI port, Serial port, eSATA port, IrDA port, MIDI port Bluetooth wireless port adapter - Correct Answer-converts a USB port into a Bluetooth port smart phone - Correct Answer-might communicate with a notebook computer using an IrDA port port replicator - Correct Answer-an external device that provides connections to peripherals through ports built into the device docking station - Correct Answer-an external device that attaches to a mobile computer or device

bus - Correct Answer-•allows the various devices both inside and attached to the system unit to communicate w/ each other -Data bus -Address bus Word size - Correct Answer-the number of bits the processor can interpret and execute at a given time expansion buses - Correct Answer-include: PCI bus, PCI Express bus, Accelerated Graphics Port, USB & FireWire bus, PC card bus bay - Correct Answer-an opening inside the system unit in which you can install additional equipment drive bay - Correct Answer-typically holds disk drives power supply - Correct Answer-converts the wall outlet AC power into DC power AC adapter - Correct Answer-an external power supply in some external peripherals Keeping Your Computer or Mobile Device Clean - Correct Answer-•Clean your computer or mobile device once or twice a year •Turn off and unplug your computer or mobile device before cleaning it •Use compressed air to blow away dust •Use an antistatic wipe to clean the exterior of the case and a cleaning solution and soft cloth to clean the screen Input - Correct Answer-any data and instructions entered into the memory of a computer in the form of programs, commands, and user responses program - Correct Answer-•a series of related instructions that tells a computer what tasks to perform and how to perform them •Programs respond to commands that a user issues user response - Correct Answer-an instruction a user issues by replying to a question displayed by a program keyboard - Correct Answer-an input device that contains keys users press to enter data & instructions into a computer Most desktop computer keyboards have... - Correct Answer-•b/t 101 & 105 keys •a numeric keypad on the right side of the keyboard •fxn keys, CTRL keys, ALT keys, & arrow keys •WINDOWS key •APPLICATION key

•Toggle keys insertion point - Correct Answer-•aka the cursor •a symbol on the screen that indicates where the next character you type will appear Wired Keyboards - Correct Answer-USB port Wireless Keyboards - Correct Answer-Bluetooth & IrDA ergonomic keyboard - Correct Answer-has a design that reduces the chance of wrist and hand injuries Ergonomics - Correct Answer-incorporates comfort, efficiency, and safety into the design of the workplace Keyboards on mobile devices - Correct Answer-•typically are smaller and/or have fewer keys •Some phones have predictive text input, which saves time when entering text using the phone's keypad pointing device - Correct Answer-an input device that allows a user to control a pointer on the screen pointer - Correct Answer-a small symbol on the screen whose location & shape change as a user moves a pointing device mouse - Correct Answer-•a pointing device that fits under the palm of your hand comfortably -Most widely used pointing device on desktop computers •A mouse can be wired or wireless Mouse operations - Correct Answer-point, click, right-click, double-click, triple-click, drag, right-drag, rotate wheel, free-spin wheel, press wheel, tilt wheel, & press thumb wheel trackball - Correct Answer-a stationary pointing device with a ball on its top or side touchpad - Correct Answer-a small, flat, rectangular pointing device that is sensitive to pressure and motion pointing stick - Correct Answer-a pressure-sensitive pointing device shaped like a pencil eraser that is positioned between keys on a keyboard touch screen - Correct Answer-a touch-sensitive display device

pen input - Correct Answer-you touch a stylus or digital pen on a flat surface to write, draw, or make selections game controller - Correct Answer-•Video games and computer games use a game controller as the input device that directs movements and actions of on-screen objects -gamepads, joysticks & wheels, light guns, dance pads, and motion-sensing controllers digital camera - Correct Answer-•a mobile device that allows users to take pictures and store them digitally -studio cameras, field cameras, & point-and-shoot cameras 2 factors affect the quality of digital camera photos: - Correct Answer-Resolution & # of bits stored in each pixel Resolution - Correct Answer-the number of horizontal and vertical pictures in a display device pixel - Correct Answer-•the smallest element in an electronic display •Each pixel consists of one or more bits of data •The more bits used to represent a pixel, the more colors and shades of gray that can be represented Voice input - Correct Answer-•the process of entering input by speaking into a microphone •Music production software allows users to record, compose, mix, and edit music and sounds Voice recognition - Correct Answer-the computer's capability of distinguishing spoken words Audio input - Correct Answer-•the process of entering any sound into the computer -speech, music, & sound effects Video input - Correct Answer-the process of capturing full-motion images and storing them on a computer's storage medium Web cam - Correct Answer-a type of digital video camera that enables a user to: Capture video & still images, send e-mail messages w/ video attachments, add live images to instant messages, broadcast live images over the internet, make video telephone calls video conference - Correct Answer-a meeting b/t 2 or more geographically separated people Scanners and Reading Devices - Correct Answer-flatbed, pen or handheld, sheet-fed, drum

Optical character recognition (OCR) - Correct Answer-involves reading characters from ordinary documents turnaround document - Correct Answer-a document you return to the company that creates and sends it Optical mark recognition (OMR) - Correct Answer-reads hand-drawn marks such as small circles or rectangles OMR device - Correct Answer-scans the documents and matches the patterns of light bar code reader - Correct Answer-•also called a bar code scanner •uses laser beams to read bar codes RFID (radio frequency identification) - Correct Answer-•uses radio signals to communicate with a tag placed in or attached to an object •RFID can track: tracking times of runners in a marathon, tracking location of soldiers, employee wardrobes, airline baggage, checking lift tickets of skiers, managing inventory, gauging pressure & temp of tires, checking out library books, tracking toll payments RFID reader - Correct Answer-reads info on the tag via radio waves Magnetic stripe card readers - Correct Answer-read the magnetic stripe on the back of cards such as: credit cards, entertainment cards, bank cards, & other similar cards MICR (magnetic ink character recognition) devices - Correct Answer-•read text printed with magnetized ink •Banking industry uses MICR for check processing MICR reader - Correct Answer-converts MICR characters into a form the computer can process Data collection devices - Correct Answer-•obtain data directly at the location where the transaction or event takes place •Used in: Restaurants, Grocery stores, Factories, Warehouses, The outdoors Biometrics - Correct Answer-•authenticates a person's identity by verifying a personal characteristic for ex: fingerprint reader, face recognition system, hand geometry system, voice verification system, signature verification system, iris recognition system, retinal scanners terminal - Correct Answer-a computer that allows users to send data to and/or receive information from a host computer

POS terminal - Correct Answer-records purchases, processes payment, and updates inventory automated teller machine (ATM) - Correct Answer-allows users to access their bank accounts DVD kiosk - Correct Answer-a self-service DVD rental machine Several input devices are available to assist physically challenged users - Correct Answer-•keyguard •keyboards w/ larger keys •on-screen keyboard •various pointing devices •head-mounted pointer •gesture recognition •computerized implant devices