{"id":715,"date":"2014-04-05T04:09:32","date_gmt":"2014-04-05T04:09:32","guid":{"rendered":"http:\/\/blogs.evergreen.edu\/candc14\/?page_id=715"},"modified":"2017-02-14T15:58:31","modified_gmt":"2017-02-14T23:58:31","slug":"model-of-a-computer","status":"publish","type":"page","link":"https:\/\/sites.evergreen.edu\/compcog17\/communications-2\/forums\/classes\/week-1\/model-of-a-computer\/","title":{"rendered":"Model of a Computer"},"content":{"rendered":"<p>A simple model of a computer:<\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-medium wp-image-1912\" src=\"https:\/\/sites.evergreen.edu\/candc16\/wp-content\/uploads\/sites\/168\/2014\/04\/SimpleModel1-214x300.jpg\" alt=\"SimpleModel1\" width=\"214\" height=\"300\" srcset=\"https:\/\/sites.evergreen.edu\/compcog17\/wp-content\/uploads\/sites\/275\/2014\/04\/SimpleModel1-214x300.jpg 214w, https:\/\/sites.evergreen.edu\/compcog17\/wp-content\/uploads\/sites\/275\/2014\/04\/SimpleModel1.jpg 224w\" sizes=\"(max-width: 214px) 100vw, 214px\" \/><\/p>\n<p>But this also a model for a paper shredder or a person. \u00a0 \u00a0Our inputs are our senses. \u00a0Our processor is our brain. \u00a0Our outputs are the ways we can change or communicate with the outside world what is in our brains- what we are thinking, feeling, or what we need to do with our bodies. \u00a0 What does the computer processor look like?<\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-medium wp-image-1903\" src=\"https:\/\/sites.evergreen.edu\/candc16\/wp-content\/uploads\/sites\/168\/2014\/04\/Model2-300x292.jpg\" alt=\"Model2\" width=\"300\" height=\"292\" srcset=\"https:\/\/sites.evergreen.edu\/compcog17\/wp-content\/uploads\/sites\/275\/2014\/04\/Model2-300x292.jpg 300w, https:\/\/sites.evergreen.edu\/compcog17\/wp-content\/uploads\/sites\/275\/2014\/04\/Model2.jpg 434w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>What does one storage cell (byte) look like?<\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-medium wp-image-1898\" src=\"https:\/\/sites.evergreen.edu\/candc16\/wp-content\/uploads\/sites\/168\/2014\/04\/byte3-300x38.jpg\" alt=\"byte3\" width=\"300\" height=\"38\" srcset=\"https:\/\/sites.evergreen.edu\/compcog17\/wp-content\/uploads\/sites\/275\/2014\/04\/byte3-300x38.jpg 300w, https:\/\/sites.evergreen.edu\/compcog17\/wp-content\/uploads\/sites\/275\/2014\/04\/byte3.jpg 402w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>It can store a pattern that represents a letter or simple number, but a few thousand (K) or a few millions (Meg) or a few billions (Gig) can represent a picture, video, song, or anything you can imagine. \u00a0The process of turning anything into a series of ons and offs is called digitization. \u00a0There are two kinds of bytes- those that can be changed (RAM) \u00a0and those that are fixed with the same pattern (ROM)<\/p>\n<p><img loading=\"lazy\" class=\"alignnone wp-image-1904\" src=\"https:\/\/sites.evergreen.edu\/candc16\/wp-content\/uploads\/sites\/168\/2014\/04\/Model3-300x168.jpg\" alt=\"Model3\" width=\"421\" height=\"236\" srcset=\"https:\/\/sites.evergreen.edu\/compcog17\/wp-content\/uploads\/sites\/275\/2014\/04\/Model3-300x168.jpg 300w, https:\/\/sites.evergreen.edu\/compcog17\/wp-content\/uploads\/sites\/275\/2014\/04\/Model3-768x431.jpg 768w, https:\/\/sites.evergreen.edu\/compcog17\/wp-content\/uploads\/sites\/275\/2014\/04\/Model3-676x380.jpg 676w, https:\/\/sites.evergreen.edu\/compcog17\/wp-content\/uploads\/sites\/275\/2014\/04\/Model3-128x72.jpg 128w, https:\/\/sites.evergreen.edu\/compcog17\/wp-content\/uploads\/sites\/275\/2014\/04\/Model3.jpg 819w\" sizes=\"(max-width: 421px) 100vw, 421px\" \/>T<\/p>\n<p>This is all we need. \u00a0If we want to turn the computer off, however, we need away for the computer to remember what was in its brain. \u00a0We write something down if we want to remember it for later. \u00a0The computer has secondary storage (CD, DVD, hard drive, flash drive, etc..) to remember things without power so it can be recalled the next time it is needed.<\/p>\n<p><img loading=\"lazy\" class=\"alignnone wp-image-1905\" src=\"https:\/\/sites.evergreen.edu\/candc16\/wp-content\/uploads\/sites\/168\/2014\/04\/Model4-300x168.jpg\" alt=\"Model4\" width=\"446\" height=\"250\" srcset=\"https:\/\/sites.evergreen.edu\/compcog17\/wp-content\/uploads\/sites\/275\/2014\/04\/Model4-300x168.jpg 300w, https:\/\/sites.evergreen.edu\/compcog17\/wp-content\/uploads\/sites\/275\/2014\/04\/Model4-768x431.jpg 768w, https:\/\/sites.evergreen.edu\/compcog17\/wp-content\/uploads\/sites\/275\/2014\/04\/Model4-676x380.jpg 676w, https:\/\/sites.evergreen.edu\/compcog17\/wp-content\/uploads\/sites\/275\/2014\/04\/Model4-128x72.jpg 128w, https:\/\/sites.evergreen.edu\/compcog17\/wp-content\/uploads\/sites\/275\/2014\/04\/Model4.jpg 819w\" sizes=\"(max-width: 446px) 100vw, 446px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A simple model of a computer: But this also a model for a paper shredder or a person. \u00a0 \u00a0Our inputs are our senses. \u00a0Our processor is our brain. \u00a0Our outputs are the ways we can change or communicate with the outside world what is in our brains- what we are thinking, feeling, or what [&hellip;]<\/p>\n","protected":false},"author":274,"featured_media":0,"parent":45,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_mi_skip_tracking":false},"_links":{"self":[{"href":"https:\/\/sites.evergreen.edu\/compcog17\/wp-json\/wp\/v2\/pages\/715"}],"collection":[{"href":"https:\/\/sites.evergreen.edu\/compcog17\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sites.evergreen.edu\/compcog17\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sites.evergreen.edu\/compcog17\/wp-json\/wp\/v2\/users\/274"}],"replies":[{"embeddable":true,"href":"https:\/\/sites.evergreen.edu\/compcog17\/wp-json\/wp\/v2\/comments?post=715"}],"version-history":[{"count":0,"href":"https:\/\/sites.evergreen.edu\/compcog17\/wp-json\/wp\/v2\/pages\/715\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/sites.evergreen.edu\/compcog17\/wp-json\/wp\/v2\/pages\/45"}],"wp:attachment":[{"href":"https:\/\/sites.evergreen.edu\/compcog17\/wp-json\/wp\/v2\/media?parent=715"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}