Date: Mon, 01 Apr 2002 20:29:50 -0600 (CST) From: Mark Jacobson To: 810-021-03@uni.edu Subject: Assignment for April 8th... Hi 021 students, If you missed class this evening, the assignment that is due next Monday evening is: See page 706 of the textbook. Do STEPS and the 1st EXPLORE. Visual Programming Lab. Lab on Visual Programming from the CD-ROM with textbook or the Start menu, Programs, New Perspectives, v4 textbook choice in Wright Hall labs STEPS - do the STEPS and turn in the answers, EXPLORE #2 - do ONLY the very 1st EXPLORE, which is the Carpeting a Room EXPLORE problem on page 706 of textbook. See you next week, if April snows don't cause class to be cancelled! Note: The class covered networking basics tonight in lecture, as well as covering problem solving phases and starting some Ghostbusters material. What are the 4 essential requirements for a computer network to exist? ------------------------ We also talked about modems, parity, protocols, analog and digital communication, modulating discrete units of information into analog form (waves) and demodulating waves back into 0s and 1s, i.e. into digital, binary, off/on information format. Modems allow the analog or voice wave telephone lines to transmit digital off/on discrete information from one computer to another. A binary 0 is translated into a certain format by a modem and a binary 1 is translated or encoded into a different format. The receiving modem translates the waves back either to a 0 or to a 1 for the receiving computer, and the sending in called modulating and receiving is called demodulating. --- --- mo dem modulate -- --- and demodulate In the lab we did some Visual Programming lab (from textbook CD-ROM preview and play, as well as publishing a 3 slide PowerPoint presentation to the web, which included a Alt+PrintScreen captured screen snapshot on one PowerPoint slide, that had been CROPPED and then RESIZED using the Picture toolbar cropping button and the cropping and resizing handles that are part of vector or object graphics techniques. Mark