Introduction to Information and Computer Science Basic Computing Concepts Including History Lecture b This material (Comp4_Unit1b) was developed by Oregon Health and Science University, funded by the Department of Health and Human Services, Office of the National Coordinator for Health Information Technology under Award Number IU24OC

Basic Computing Concepts Including History Learning Objectives 2 Define what a computer is (Lecture a) Describe different types of computers, including PCs, mobile devices and embedded computers (Lecture a) Define the common elements of computer systems (Lecture a) Describe the various hardware and software options for typical desktop, laptop and server systems for home and business use with a focus on healthcare systems (Lectures b and c) Explain the development of computers and the Internet, including healthcare systems, up until the present time. (Lecture d and e) Health IT Workforce Curriculum Version 3.0/Spring 2012 Basic Computing Concepts Including History Introduction to Information and Computer Science Lecture b

Selecting a Computer There is not one "best" computer Depends on needs –Users –Applications –Storage –Mobility –Budget Can change quickly due to frequent improvements in technology and price 3 Health IT Workforce Curriculum Version 3.0/Spring 2012 Basic Computing Concepts Including History Introduction to Information and Computer Science Lecture b Shopping cart (WPClipart, nd.)

Selecting a Computer Determine your budget Look at the requirements for the applications you need to run Determine how much storage you will need Research online using up to date reviews and buying guides 4 Health IT Workforce Curriculum Version 3.0/Spring 2012 Basic Computing Concepts Including History Introduction to Information and Computer Science Lecture b Money (Public domain, nd.)

Options for Computer Systems Home/Business User (2011) Desktop with a budget of $1,000 (doesn't include monitor) –Quad core processor (4 processors) –8 GB of RAM –Discrete graphics card –500 GB – 1 TB hard drive –Blu-ray or DVD drive with burner –Latest OS (Windows 7 or Mac OS X Snow Leopard) Upgrades available for more memory, faster graphics card 5 Health IT Workforce Curriculum Version 3.0/Spring 2012 Basic Computing Concepts Including History Introduction to Information and Computer Science Lecture b

Other Options for Desktops Case –Tower –All in one –Small form factor Video Card –Integrated video on cheaper chips –More expensive, discrete video card with own graphics memory speeds video 6 Health IT Workforce Curriculum Version 3.0/Spring 2012 Basic Computing Concepts Including History Introduction to Information and Computer Science Lecture b Tower Case (GIGA-BYTE TECHNOLOGY CO., LTD, nd.) (left) All in One (© Apple, nd.) (right) Small Form Factor Case (© Apple, nd.)

Other Options for Desktops Monitors Most are LCD panels (TN, VA, IPS) Size (20, 22, 24 inches) Aspect Ratio (4:3, 16:10, 16:9) Brightness (more for movie and games) HDMI and DVI connections USB ports Ergonomic adjustments Bottom line: test the monitor for what you want to do with it. 7 Health IT Workforce Curriculum Version 3.0/Spring 2012 Basic Computing Concepts Including History Introduction to Information and Computer Science Lecture b LCD Monitor (Public domain, nd.)

Other Options for Desktops Printers Ink jet printer –Inexpensive, slow –Affordable color printing –Good for home use Laser printer –More expensive –Fast, handle many jobs –Color much more expensive than black and white All-in-One –Printer, copier, scanner, fax Portable ink jet printer –Battery or car charged 8 Health IT Workforce Curriculum Version 3.0/Spring 2012 Basic Computing Concepts Including History Introduction to Information and Computer Science Lecture b Printer (Public domain, nd.)

Printer Specifications 9 Health IT Workforce Curriculum Version 3.0/Spring 2012 Basic Computing Concepts Including History Introduction to Information and Computer Science Lecture b Resolution –Measure in DPI –600 x 600 DPI means 600 dots across by 600 dots down in one square inch –Higher resolution means sharper, more detailed output Print Speed –Measure in pages-per-minute (PPM) Connectivity –USB –Wireless –Ethernet for group printing Cost to print –Cost of cartridge –How frequently need to change

Other Options for Desktops Speakers –Basic integrated speakers or cheap 2 speakers –2:1 or 5:1 (# satellite speakers: 1 subwoofer) Keyboard/mouse –Wireless available 10 Health IT Workforce Curriculum Version 3.0/Spring 2012 Basic Computing Concepts Including History Introduction to Information and Computer Science Lecture b Wireless optical mouse (Public domain, nd.)

Basic Computing Concepts Including History Summary – Lecture b 11 Selecting a new computer depends on: –Application needs –Storage needs –Budget Consider options –Case –Video card –Monitors –Printers Research online for latest pricing Health IT Workforce Curriculum Version 3.0/Spring 2012 Basic Computing Concepts Including History Introduction to Information and Computer Science Lecture b

Basic Computing Concepts Including History References – Lecture b References Desktop Buying Guide. CNET [serial on the Internet] March 24; [cited 22 March 2011]; Available from: Franklin, Eric. Monitor Buying Guide. CNET [serial on the Internet] December 20; [cited 22 March 2011]; Available from: guide/. guide/ Printer Buying Guide. CNET [serial on the Internet] Nov 21; [cited Mar]; Available from: guide/?tag=centerColumnArea1.0;buyAdvice. guide/?tag=centerColumnArea1.0;buyAdvice 12 Health IT Workforce Curriculum Version 3.0/Spring 2012 Basic Computing Concepts Including History Introduction to Information and Computer Science Lecture b

Basic Computing Concepts Including History References – Lecture b (continued) Images Slide 6: Gigabyte 3D Mercury (Black) Computer Chassis (Tower Case.). GIGA-BYTE TECHNOLOGY CO., LTD. (n.d.). Retrieved November 2011, from Wikimedia Commons website: The copyright holder of this work allows anyone to use it for any purpose including unrestricted redistribution, commercial use, and modification. Slide 6: Núverandi 2007 Intel iMac (All in one). Nelson, R. (2007, August 17). Retrieved November 2011, from Wikipedia: The Free Encyclopedia website: This file is licensed under the Creative Commons Attribution 2.0 Generic license.Creative CommonsAttribution 2.0 Generic Slide 6: Mac mini with Intel Core processor (small form factor case). Lawrence, C. (2006, December). Retrieved November 2011 from Wikemedia Commons website: This file is licensed under the Creative Commons Attribution-Share Alike 2.0 Generic license. Commons Attribution-Share Alike 2.0 Generic Slide 7: LCD Monitor. Public Domain (nd.). Retrieved November, 2011 from WPClipart website: Public domain image. Slide 8: Printer. Public Domain (nd.). Retrieved November, 2011 from WPClipart website: Public domain image. 13 Health IT Workforce Curriculum Version 3.0/Spring 2012 Basic Computing Concepts Including History Introduction to Information and Computer Science Lecture b