COMPUTERS & APPLICATIONS
COMPUTERS & APPLICATIONS CSC 1010
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This 6 page Class Notes was uploaded by Mallie Crist on Monday September 21, 2015. The Class Notes belongs to CSC 1010 at Georgia State University taught by Wooyoung Kim in Fall. Since its upload, it has received 9 views. For similar materials see /class/209893/csc-1010-georgia-state-university in ComputerScienence at Georgia State University.
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Date Created: 09/21/15
Chapter 2 The Internet and World Wide Web What is a network 0 Collection of computers and devices connected together What is the Internet 0 Worldwide collection of networks that links millions of computers together How do users connect to the Internet 0 Internet Service Provider ngPl Provides access to the Internet 0 Online Service Provider gOSP Provides access to the Internet and specialized services AOL and MSN What is the World Wide Web WWW o Billions of documents called Web pages linked together on computers throughout the world 0 Web site Collection of related Web pages Homepage the rst page of Web site 0 Web page Contains text graphics sound or video and links to other Web pages Link built in connection to another Web document 0 Web browser Program used to access and view Web pages What is an Internet backbone o The major carriers of network traf c DSL is a technology that provides high speed Internet connections through telephone lines TLD is the last section of the domain name ICANN is the group that assigns and controls TLD Link is a built in connection to another related web page Sur ng the web refers to the activity of using links to explore the Web E Mail address consists of o Usemame 0 Domain name Wis a Web site that offers a variety of Internet services 0 Many port als have online communications 0 Popular site AOL MSN Yahoo Advocacy is a Web site that contains content that describes a cause opinion or idea 0 EX anticrueltyorg Web publishing is the development and maintenance of Web pages worksheet05 Com pletion Complete each statement 1 Equot E U 9 00 0 An 77 7 77 is an input device that contains keys users press to enter data into a computer An 77 7 77 is a keyboard designed speci cally for users that enjoy playing games on the computer An 77 7 77 is a handheld input device that can detect the presence of light 77 7 7 is the process of entering data by speaking into a microphone With 7 7 7 smart phone users can send graphics pictures video clips and sound les as well as short messages to another smart phone 11 7 77 77 allows users to take pictures and store the photographed images digitally instead of on traditional lm 77 7 7 is the process of capturing fullmotion images into a computer and storing them on a storage medium such as a hard disk or DVD One type of adapter card that has a video capture port is an 7 7 7 card which converts an analog video signal into a digital signal that a computer can use An 77 7 77 camera records video as digital signals instead of analog signals An 77777777 also called a PC video camera is a type of digital video camera that enables a home or small business user to capture video and still images send email messages with video attachments add live images to instant messages broadcast live images over the Internet and make video telephone calls An 7 77 77 is a meeting between two or more geographically separated people who use a network or the Internet to transmit audio and video data An 7 77 77 is a device that uses a light source to read characters marks and codes and then converts them into digital data that a computer can process is a 39 39 that involves reading typewritten computerprinted or handprinted characters from ordinary documents and translating the images into a form that the computer can process An 7 7 777 reads the magnetic stripe on the back of credit cards entertainment cards bank cards and other similar cards iiiii 7 devices read text printed with magnetized ink 20 Matching 2 22 23 24 25 26 27 28 29 30 An 7 if if converts MICR characters into a form the computer can process Most retail stores use an 77 7 7 to record purchases process credit or debit cards and update inventory 77 7 7 is the technology of authenticating a person s identity by verifying a personal characteristic An 7 if if captures a live face image and compares it with a stored image to determine if the person is a legitimate user An 7 if 77 works similarly to an iris recognition system but instead scans patterns of blood vessels in the back of the retina Identiij the letter ofthe choice that best matches the phrase or de nition ance smart car pointer turnaround light pens digital digital pen Web cam MIDI resolution sound card continuous trackball optical toggle keyguard bar code 9r39p qompgpg m quots gtlt 39D m rsnhgpppgr w Most of today s desktop computer keyboards are this kind of keyboard This kind of mouse does not have moving mechanical parts inside With a mouse users control the movement of this What a PC must have to enter highquality sound Software that conforms to this standard allows users to compose and edit music and many other sounds The higher this is the better the image quality and the more expensive the camera The unit of measurement ppi measures the number of these in one inch of screen display Attracts Web site visitors by showing images that change regularly Once OCR software converts scanned images to this kind of le the le can be edited Where biometric data is sometimes stored worksheet05 Answer Section COMPLETION 1 keyboard 2 gaming keyboard 3 light pen 4 Voice input 5 picture messaging 6 digital camera 7 Video input 8 Video capture 9 digital Video DV DV digital Video digital Video DV 10 Web cam 11 Video conference 12 optical reader 13 optical character recognition OCR optical character recognition optical character recognition OCR 14 magnetic stripe card reader magstripe reader 15 MICR Magneticink character recognition MICR Magneticink character recognition Magneticink character recognition MICR 16 MICR reader 17 POS terminal 18 Biometrics 19 face recognition system 20 retinal scanner MATCHING 21 A 22 S 23 B 24 P 25 E 26 O 27 F 28 N 29 G 30