USER DATAGRAM PROTOCOL(UDP): The User Datagram Protocol(UDP) is called a connectionless‚ unreliable transport protocol. It does not add anything to the services of IP except to provide process to process communication instead of host to host communication. USER DATAGRAM: UDP packets‚ called user datagrams‚ have a fixed size header of 8 bytes. The below diagram shows the format of a user datagram. User datagram format: Source port number: This is the port number used by the process
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Week 3 Course Project (BIS450) Topic: Interface and Processing Required User interface: The user interface shall be built to provide an easy-to-use graphical interface that includes dropdown menu‚ labels‚ summit button‚ icons‚ pull-down menus‚ buttons‚ and hyperlinks. It also should adhere to commonly accepted user interface guidelines on windowing systems. For instance a button should perform like a button and not like a checkbox. Buttons will be used for single independent actions that are
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what zipcode they live in. sort them by last and then first name in ascending order Example output data John James lives in 60543 Matt James lives in 60122 April Harmon lives in 60115 Ans: SELECT fname‚ lname +’ lives in ‘ + ‚ Zipcode FROM student ORDERBY lname‚ fname; 2) Write a query to display the Student id and the number of grades they have received *** example output z12345 7 z14325 12 z11674 2 Ans: SELECT s.Zid‚ count(g.grades) FROM student s‚
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TANGIBLE USER INTERFACE INTRODUCTION Researcher are always looking for new and better ways for users to interact with computing and communications technology‚ to make the process easier‚ as well as more satisfying‚ engaging‚ and effective. Because of this‚ interfaces—including punch card and paper tape readers‚ switches‚ keyboards‚ mice‚ GUIs‚ touch pads‚ and joysticks—have become a critical technology. One avenue of research that is beginning to be adopted commercially is the TANGIBLE USER INTERFACE
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A Historical Overview of the Mentally Challenged What is the definition of a mentally challenged person? Being mentally deficient is not defined as an illness or medical disorder‚ simply a low limit in functioning‚ developmental and cognitive abilities. Mentally challenged people are found in all races and cultures‚ and account for roughly three per cent of the global population. In contrast‚ a mental illness is a disease of the mind with symptoms severe enough to require psychiatric intervention
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] NATIONAL OPEN UNIVERSITY OF NIGERIA SCHOOL OF SCIENCE AND TECHNOLOGY COURSE CODE:CIT 711 COURSE TITLE:USER INTERFACE DESIGN AND ERGONOMICS 1 2 COURSE GUIDE CIT 711 USER INTERFACE DESIGN AND ERGONOMICS Course Developer Course Editor Course Co-ordinator DR. A. S. SODIYA Afolorunso‚ A. A. National Open University of Nigeria Lagos. NATIONAL OPEN UNIVERSITY OF NIGERIA 3 National Open University of Nigeria Headquarters 14/16 Ahmadu Bello Way Victoria Island Lagos
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Pointing Devices are direct entry input devices. They allow users to control the pointer and the insertion point on the screen. Examples of pointing devices are mouse‚ trackball‚ touch pad‚ pointing stick‚ joystick‚ touch screen‚ light pen and graphics tablets. A mouse is a computer device‚ which has a ball sealed at the bottom. It is attached with a cable to the system unit. When rolled on the flat surface‚ the movement of the ball will generate electrical circuits‚ which are then sent to the
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eGraphical user interface From Wikipedia‚ the free encyclopedia Jump to: navigation‚ search "GUI" redirects here. For other uses‚ see GUI (disambiguation). A screenshot of the GNOME Shell GUI. The Xerox Alto was the first device to use a graphical user interface. In computing‚[1] graphical user interface (GUI‚ sometimes pronounced ’gooey ’)[2] is a type of user interface that allows users to interact with electronic devices through graphical icons and visual indicators such as secondary
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RAW: _______ /63 pts 1. Explain the operation of an encoder. (1 point) ________A device that converts a weighted numeric input line to an equivalent digital code‚ such as hex or octal.____________________________ 2. What does it mean when an encoder is a priority encoder? (1 point) _________The method used to handle multiple key closures. This means that logic establishes a rank order for the keys so that a key closure of lower priority will not change encoding of a higher priority key._______________________
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My Technologically Challenged Life 1. Monica’s parents play a huge role in limiting her access to technology. They choose to not use technology which I think is the main reason why they wouldn’t buy a computer for their daughters. Their reasoning sounds extremely familiar to me because my parents have done the same kind of thing to me. I begged my parents for a cell phone from seventh grade until my sophomore year when I finally bought my own but they would always tell me I don’t need a cell
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