ch01 introduction to computers
TRANSCRIPT
![Page 1: Ch01 introduction to computers](https://reader031.vdocuments.us/reader031/viewer/2022020207/55a07d551a28abfc578b46d3/html5/thumbnails/1.jpg)
© 2010
Introduction to Computer Systems for Health
Information Technology
Chapter 1:Introduction to Computers
![Page 2: Ch01 introduction to computers](https://reader031.vdocuments.us/reader031/viewer/2022020207/55a07d551a28abfc578b46d3/html5/thumbnails/2.jpg)
© 2010
History of Computers in Healthcare
• 1960s– Financial applications
• 1970s– Departmental computer systems– Dummy terminals– Hard drives
![Page 3: Ch01 introduction to computers](https://reader031.vdocuments.us/reader031/viewer/2022020207/55a07d551a28abfc578b46d3/html5/thumbnails/3.jpg)
© 2010
History of Computers in Healthcare
• 1980s and 1990s– Personal computers– Increase in speed– Specialized software– Networking
![Page 4: Ch01 introduction to computers](https://reader031.vdocuments.us/reader031/viewer/2022020207/55a07d551a28abfc578b46d3/html5/thumbnails/4.jpg)
© 2010
Technology’s Impact on HIM Profession in 1990s
• Electronic billing• Charge description master• Networking of systems
![Page 5: Ch01 introduction to computers](https://reader031.vdocuments.us/reader031/viewer/2022020207/55a07d551a28abfc578b46d3/html5/thumbnails/5.jpg)
© 2010
Impact of Computers
• Patient care– World Wide Web– Patient health record
• Finance and reimbursement– Reimbursement systems
• Public health and epidemiology– Secondary data– Track trends
![Page 6: Ch01 introduction to computers](https://reader031.vdocuments.us/reader031/viewer/2022020207/55a07d551a28abfc578b46d3/html5/thumbnails/6.jpg)
© 2010
Impact of Computers
• Research– Clinical trials
• Education– Used in classrooms– Distance education– Internet databases
![Page 7: Ch01 introduction to computers](https://reader031.vdocuments.us/reader031/viewer/2022020207/55a07d551a28abfc578b46d3/html5/thumbnails/7.jpg)
© 2010
Hardware
• Portion of the computer that can be touched• Examples
– Hard drive– Monitor– Mouse– Keyboard– Printer
![Page 8: Ch01 introduction to computers](https://reader031.vdocuments.us/reader031/viewer/2022020207/55a07d551a28abfc578b46d3/html5/thumbnails/8.jpg)
© 2010
Hardware – Central Processing Unit
• Megahertz • Cache memory• Random Access Memory
![Page 9: Ch01 introduction to computers](https://reader031.vdocuments.us/reader031/viewer/2022020207/55a07d551a28abfc578b46d3/html5/thumbnails/9.jpg)
© 2010
Hardware – Types of Computers
• Mainframe• Laptop computes• Handheld device
– Personal digital assistant
![Page 10: Ch01 introduction to computers](https://reader031.vdocuments.us/reader031/viewer/2022020207/55a07d551a28abfc578b46d3/html5/thumbnails/10.jpg)
© 2010
Hardware – Peripherals
• Examples– Keyboard– Mouse– Printer– Scanner– Monitor– Speakers– Flash drive
![Page 11: Ch01 introduction to computers](https://reader031.vdocuments.us/reader031/viewer/2022020207/55a07d551a28abfc578b46d3/html5/thumbnails/11.jpg)
© 2010
Hardware – Common Input Devices
• Keyboard• Mouse• Light pen• Touch screens• Scanner• Digital camera and video• Microphone
![Page 12: Ch01 introduction to computers](https://reader031.vdocuments.us/reader031/viewer/2022020207/55a07d551a28abfc578b46d3/html5/thumbnails/12.jpg)
© 2010
Hardware – Common Input Devices
• Docking station• Optical character recognition
![Page 13: Ch01 introduction to computers](https://reader031.vdocuments.us/reader031/viewer/2022020207/55a07d551a28abfc578b46d3/html5/thumbnails/13.jpg)
© 2010
Hardware within Computer
• Personal computer– CPU– Motherboard– Memory chips
• Random Access Memory• Read-Only Memory• Cache
– System files
![Page 14: Ch01 introduction to computers](https://reader031.vdocuments.us/reader031/viewer/2022020207/55a07d551a28abfc578b46d3/html5/thumbnails/14.jpg)
© 2010
Hardware within Computer
• Ports– Traditional types
• Serial port• Parallel port
– Modern types• USB port• Firewire• Infrared light beam port• Bluetooth
![Page 15: Ch01 introduction to computers](https://reader031.vdocuments.us/reader031/viewer/2022020207/55a07d551a28abfc578b46d3/html5/thumbnails/15.jpg)
© 2010
Hardware within Computer
• Modem• Video card• Sound card• Fan• Expansion slots
![Page 16: Ch01 introduction to computers](https://reader031.vdocuments.us/reader031/viewer/2022020207/55a07d551a28abfc578b46d3/html5/thumbnails/16.jpg)
© 2010
Hardware within Computer
• Bus– Internal bus– External bus– Address bus– Data bus
• Surge protectors
![Page 17: Ch01 introduction to computers](https://reader031.vdocuments.us/reader031/viewer/2022020207/55a07d551a28abfc578b46d3/html5/thumbnails/17.jpg)
© 2010
Output Devices
• Monitor– Resolution– Pixel
• megapixel
– LCD screen– Plasma screens
![Page 18: Ch01 introduction to computers](https://reader031.vdocuments.us/reader031/viewer/2022020207/55a07d551a28abfc578b46d3/html5/thumbnails/18.jpg)
© 2010
Output Devices
• Printers– Dot matrix
• Dots per inch
– Laser printer– Thermal printers– Ink jet printers– Multifunction printer
![Page 19: Ch01 introduction to computers](https://reader031.vdocuments.us/reader031/viewer/2022020207/55a07d551a28abfc578b46d3/html5/thumbnails/19.jpg)
© 2010
Output Devices
• Speakers• Data projector
– Keystoning
• Scanner• Optical disc
– Write once read many
![Page 20: Ch01 introduction to computers](https://reader031.vdocuments.us/reader031/viewer/2022020207/55a07d551a28abfc578b46d3/html5/thumbnails/20.jpg)
© 2010
Wireless Connection
• Wi-Fi
![Page 21: Ch01 introduction to computers](https://reader031.vdocuments.us/reader031/viewer/2022020207/55a07d551a28abfc578b46d3/html5/thumbnails/21.jpg)
© 2010
Notebook PC
• Laptop• Wireless computers
![Page 22: Ch01 introduction to computers](https://reader031.vdocuments.us/reader031/viewer/2022020207/55a07d551a28abfc578b46d3/html5/thumbnails/22.jpg)
© 2010
Software
• Instructions to operate– Operating systems– Application software– Utility programs
![Page 23: Ch01 introduction to computers](https://reader031.vdocuments.us/reader031/viewer/2022020207/55a07d551a28abfc578b46d3/html5/thumbnails/23.jpg)
© 2010
Software
• Multitasking• Device driver• Enterprise software
![Page 24: Ch01 introduction to computers](https://reader031.vdocuments.us/reader031/viewer/2022020207/55a07d551a28abfc578b46d3/html5/thumbnails/24.jpg)
© 2010
Programming Languages
• Bit• Byte• Sample software languages
– FORTRAN– COBOL– BASIC– Java– C++
![Page 25: Ch01 introduction to computers](https://reader031.vdocuments.us/reader031/viewer/2022020207/55a07d551a28abfc578b46d3/html5/thumbnails/25.jpg)
© 2010
Internet Programming Languages
• Hypertext markup language• Extensible markup language• Generalized markup language
![Page 26: Ch01 introduction to computers](https://reader031.vdocuments.us/reader031/viewer/2022020207/55a07d551a28abfc578b46d3/html5/thumbnails/26.jpg)
© 2010
Communication and Internet Technologies
• Network– Hub– Peer-to-peer
• Firewall• Routes• Client-server networks• Local area network• Wide area network
![Page 27: Ch01 introduction to computers](https://reader031.vdocuments.us/reader031/viewer/2022020207/55a07d551a28abfc578b46d3/html5/thumbnails/27.jpg)
© 2010
Interfaces
• Connection between computer and network
![Page 28: Ch01 introduction to computers](https://reader031.vdocuments.us/reader031/viewer/2022020207/55a07d551a28abfc578b46d3/html5/thumbnails/28.jpg)
© 2010
Internet Connections in Networks
• Ethernet• Wireless• Fiberoptic• Modems
– Dial-up– Cable– Digital subscriber line
![Page 29: Ch01 introduction to computers](https://reader031.vdocuments.us/reader031/viewer/2022020207/55a07d551a28abfc578b46d3/html5/thumbnails/29.jpg)
© 2010
Internet Connections in Networks
• Wireless cards
![Page 30: Ch01 introduction to computers](https://reader031.vdocuments.us/reader031/viewer/2022020207/55a07d551a28abfc578b46d3/html5/thumbnails/30.jpg)
© 2010
Types of Networks
• Bus• Star• Token ring• Tree (hierarchical)• Hybrid• Daisy chain network
![Page 31: Ch01 introduction to computers](https://reader031.vdocuments.us/reader031/viewer/2022020207/55a07d551a28abfc578b46d3/html5/thumbnails/31.jpg)
© 2010
Internet Technologies
• Internet– Internet service provider– High speed
• T1• T3
![Page 32: Ch01 introduction to computers](https://reader031.vdocuments.us/reader031/viewer/2022020207/55a07d551a28abfc578b46d3/html5/thumbnails/32.jpg)
© 2010
Internet Technologies
• Intranet• Extranet
![Page 33: Ch01 introduction to computers](https://reader031.vdocuments.us/reader031/viewer/2022020207/55a07d551a28abfc578b46d3/html5/thumbnails/33.jpg)
© 2010
Computerized Records
• Electronic health record• Electronic medical record• Computerized patient record
![Page 34: Ch01 introduction to computers](https://reader031.vdocuments.us/reader031/viewer/2022020207/55a07d551a28abfc578b46d3/html5/thumbnails/34.jpg)
© 2010
Computerized Records – Factors
• Instant access• Automatic transfer of data• 100% availability• Interface with other hospital systems• User friendly• Secure security semantics• Confidentiality• Integrity of system
![Page 35: Ch01 introduction to computers](https://reader031.vdocuments.us/reader031/viewer/2022020207/55a07d551a28abfc578b46d3/html5/thumbnails/35.jpg)
© 2010
Computerized Records – Benefits
• Improved access to education resources• Decreased clinical errors• Reduced redundant data entry• Reduced duplicate testing• Improved data analysis• Improved record accessibility• Increased accountability for accurate and complete
records
![Page 36: Ch01 introduction to computers](https://reader031.vdocuments.us/reader031/viewer/2022020207/55a07d551a28abfc578b46d3/html5/thumbnails/36.jpg)
© 2010
Computerized Records – Benefits
• Improved patient confidentiality and record security
• Consistent data presentation• Increased patient healthcare communications• Increased efficiency• Reduced operating costs
![Page 37: Ch01 introduction to computers](https://reader031.vdocuments.us/reader031/viewer/2022020207/55a07d551a28abfc578b46d3/html5/thumbnails/37.jpg)
© 2010
Computerized Records – Benefits
• Frees up space for document storage• Reduced lost or misfiled documents• Improved workflow• Increased reimbursement turnaround time• Ensured backup and disaster recovery