Introduction to Information and Computer Science Basic Computing Concepts Including History Lecture b This material (Comp 4_Unit 1 b) 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 IU 24 OC 000015.
Basic Computing Concepts Including History Learning Objectives • 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 2
Selecting a Computer • There is not one "best" computer • Depends on needs – Users – Applications – Storage – Mobility Shopping cart (WPClipart, nd. ) – Budget • Can change quickly due to frequent improvements in technology and price Health IT Workforce Curriculum Version 3. 0/Spring 2012 Basic Computing Concepts Including History Introduction to Information and Computer Science Lecture b 3
Selecting a Computer Money (Public domain, nd. ) • 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 Health IT Workforce Curriculum Version 3. 0/Spring 2012 Basic Computing Concepts Including History Introduction to Information and Computer Science Lecture b 4
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 Health IT Workforce Curriculum Version 3. 0/Spring 2012 Basic Computing Concepts Including History Introduction to Information and Computer Science Lecture b 5
Other Options for Desktops • Case – Tower – All in one – Small form factor Tower Case (GIGA-BYTE TECHNOLOGY CO. , LTD, nd. ) (left) All in One (© Apple, nd. ) (right) Small Form Factor Case (© Apple, nd. ) • Video Card – Integrated video on cheaper chips – More expensive, discrete video card with own graphics memory speeds video Health IT Workforce Curriculum Version 3. 0/Spring 2012 Basic Computing Concepts Including History Introduction to Information and Computer Science Lecture b 6
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) LCD Monitor (Public domain, nd. ) • 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. Health IT Workforce Curriculum Version 3. 0/Spring 2012 Basic Computing Concepts Including History Introduction to Information and Computer Science Lecture b 7
Other Options for Desktops Printers • Ink jet printer – Inexpensive, slow – Affordable color printing – Good for home use • Laser printer Printer (Public domain, nd. ) – 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 Health IT Workforce Curriculum Version 3. 0/Spring 2012 Basic Computing Concepts Including History Introduction to Information and Computer Science Lecture b 8
Printer Specifications • 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 Health IT Workforce Curriculum Version 3. 0/Spring 2012 Basic Computing Concepts Including History Introduction to Information and Computer Science Lecture b 9
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 Wireless optical mouse (Public domain, nd. ) Health IT Workforce Curriculum Version 3. 0/Spring 2012 Basic Computing Concepts Including History Introduction to Information and Computer Science Lecture b 10
Basic Computing Concepts Including History Summary – Lecture b • 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 11
Basic Computing Concepts Including History References – Lecture b References • • • Desktop Buying Guide. CNET [serial on the Internet]. 2010 March 24; [cited 22 March 2011]; Available from: http: //reviews. cnet. com/desktop-computer-buying-guide/. Franklin, Eric. Monitor Buying Guide. CNET [serial on the Internet]. 2010 December 20; [cited 22 March 2011]; Available from: http: //reviews. cnet. com/monitor-buyingguide/. Printer Buying Guide. CNET [serial on the Internet]. 2009 Nov 21; [cited 2011 22 Mar]; Available from: http: //reviews. cnet. com/printer-buyingguide/? tag=center. Column. Area 1. 0; buy. Advice. Health IT Workforce Curriculum Version 3. 0/Spring 2012 Basic Computing Concepts Including History Introduction to Information and Computer Science Lecture b 12
Basic Computing Concepts Including History References – Lecture b (continued) Images Slide 6: Gigabyte 3 D Mercury (Black) Computer Chassis (Tower Case. ). GIGA-BYTE TECHNOLOGY CO. , LTD. (n. d. ). http: //commons. wikimedia. org/wiki/File: Gigabyte_3 D_Mercury_(Black). jpeg. Retrieved November 2011, from Wikimedia Commons website: http: //commons. wikimedia. org. 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 i. Mac (All in one). Nelson, R. (2007, August 17). http: //en. wikipedia. org/wiki/File: Imac_2007. png. Retrieved November 2011, from Wikipedia: The Free Encyclopedia website: http: //en. wikipedia. org This file is licensed under the Creative Commons Attribution 2. 0 Generic license. Slide 6: Mac mini with Intel Core processor (small form factor case). Lawrence, C. (2006, December). http: //commons. wikimedia. org/wiki/File: Mac_mini_Intel_Core. jpg. Retrieved November 2011 from Wikemedia Commons website: http: //commons. wikimedia. org. This file is licensed under the Creative Commons Attribution-Share Alike 2. 0 Generic license. Slide 7: LCD Monitor. Public Domain (nd. ). http: //www. wpclipart. com/computer/hardware/monitors/monitor_6. png. html. Retrieved November, 2011 from WPClipart website: http: //www. wpclipart. com/. Public domain image. Slide 8: Printer. Public Domain (nd. ). http: //www. wpclipart. com/computer/printer. png. html. Retrieved November, 2011 from WPClipart website: http: //www. wpclipart. com/. Public domain image. Health IT Workforce Curriculum Version 3. 0/Spring 2012 Basic Computing Concepts Including History Introduction to Information and Computer Science Lecture b 13
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