Xerox PARC

Module 1 Section 4 4.1         Xerox PARC - Introduction Other than photocopiers, all the darling ideas in computing currently in character hold on be traced back to PARC, including:         The pictorial customr interface: much(prenominal) as the Macintosh and Windows operating(a) systems.         Ethernet: a common method of linking PCs together and PCs to printers.         Object-oriented programming: forthwith the close common method of programming.         The laser printer. ________________________________________ 4.2         GUIs and WYSIWYG         Modes: the precursor to WYSISYG. stimulant modality would be apply for creating a enrolment and turn by elan for editing. Changing mode made preparing a document complicated beca rehearse the screen march differed from what you would obtain from your printer. After modes, there was the use of WYSIWYG         WYSIWYG: what you see is what you get a system that allows you to see on screen more or less what will be printed. A mouse or other pointing device bottom be used to wangle text, graphics and numbers. For WYSIWYG to be possible it was necessary to live with a Graphical total abuser Interface         Graphical exploiter Interface (GUI): an interface in which the cursor can be moved, text can be highlighted and several(prenominal) documents opened at the uniform time. To do all this, the utilise science of bit-mapping was required.         Bit-mapping: a proficiency used to represent images; images argon divided up into cells and a value is allocated to each cell. Bit-mapping is used in         Sending a fax.

The low-pitched: was the first machine to use a GUI. ________________________________________ 4.3         Ethernet Benefits from connecting computers together in a engagement         Sharing resources         Communication          bill access Networks can be classified ad by 1.         Topology: The skeletal system of the vanes tangible structure. The three briny network types a)         Star network: a network coherent in a star shape with a key or hub computer and several lymph gland computers. A network of automated... If you call for to get a skilful essay, order it on our website: Ordercustompaper.com

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