review exam 1

review exam 1 - Exam1Review Know order of triangle WEEK 1 A...

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Exam 1 Review 14:42 Know order of triangle WEEK 1 A The hole in the wall Power of the internet Kid said that with which you can do anything History of Computing WEEK 1B Howard Aiken Harvard professor Mark 1 First computer Moore’s law Power / number of existing circuit (computer power) doubles every 24 months Cost of computer remains same No meaningless facts VacuumTube ? Transistors ? Integrated Circuits silicon Types of Computers (PC, Server, Mainframes, Super Computers, Mobile) Mac=pc Servers: more powerful, transfer information, distribute information Mainframe
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Large organizations Super Computer More powerful, fastest, quadrillion instruction per second NOA, fewer, JP Morgan Chase Mobile Computing v. Mobile Device Grey area between them Green Computing Virtual computers- combine many virtual computers on one physical computer Syracuse largest greenest data center WHAT MAKES IT GREEN? (on video) partnered with IBM Use heat generated from computers to make cool air Trygeneration cooling Cloud Computing Internet computing Save on the internet Running apps Photoshop.com Flickr No slides 6,7,8,9
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WEEK 2 Lecture A How Web Payments Work authorize.net (credit card progressing diagram - 9 steps) 1. the merchant submits a credit card transaction to the Authorize.Net Payment Gateway on behalf of a customer via secure Web site connection, retail store, MOTO center or wireless device. 2. Authorize.Net receives the secure transaction information and passes it via a secure connection to the Merchant Bank's Processor. 3. The Merchant Bank's Processor submits the transaction to the Credit Card Network (a system of financial entities that communicate to manage the processing, clearing, and settlement of credit card transactions). 4. The Credit Card Network routes the transaction to the Customer's Credit Card Issuing Bank. 5. The Customer's Credit Card Issuing Bank approves or declines the transaction based on the customer's available funds and passes the transaction results back to the Credit Card Network. 6. The Credit Card Network relays the transaction results to the Merchant Bank's Processor.
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review exam 1 - Exam1Review Know order of triangle WEEK 1 A...

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