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Ch01 introduction to computers

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Ch01 introduction to computers Ch01 introduction to computers Presentation Transcript

  • Introduction to Computer Systems for Health Information Technology Chapter 1: Introduction to Computers
  • History of Computers in Healthcare
    • 1960s
      • Financial applications
    • 1970s
      • Departmental computer systems
      • Dummy terminals
      • Hard drives
  • History of Computers in Healthcare
    • 1980s and 1990s
      • Personal computers
      • Increase in speed
      • Specialized software
      • Networking
  • Technology’s Impact on HIM Profession in 1990s
    • Electronic billing
    • Charge description master
    • Networking of systems
  • Impact of Computers
    • Patient care
      • World Wide Web
      • Patient health record
    • Finance and reimbursement
      • Reimbursement systems
    • Public health and epidemiology
      • Secondary data
      • Track trends
  • Impact of Computers
    • Research
      • Clinical trials
    • Education
      • Used in classrooms
      • Distance education
      • Internet databases
  • Hardware
    • Portion of the computer that can be touched
    • Examples
      • Hard drive
      • Monitor
      • Mouse
      • Keyboard
      • Printer
  • Hardware – Central Processing Unit
    • Megahertz
    • Cache memory
    • Random Access Memory
  • Hardware – Types of Computers
    • Mainframe
    • Laptop computes
    • Handheld device
      • Personal digital assistant
  • Hardware – Peripherals
    • Examples
      • Keyboard
      • Mouse
      • Printer
      • Scanner
      • Monitor
      • Speakers
      • Flash drive
  • Hardware – Common Input Devices
    • Keyboard
    • Mouse
    • Light pen
    • Touch screens
    • Scanner
    • Digital camera and video
    • Microphone
  • Hardware – Common Input Devices
    • Docking station
    • Optical character recognition
  • Hardware within Computer
    • Personal computer
      • CPU
      • Motherboard
      • Memory chips
        • Random Access Memory
        • Read-Only Memory
        • Cache
      • System files
  • Hardware within Computer
    • Ports
      • Traditional types
        • Serial port
        • Parallel port
      • Modern types
        • USB port
        • Firewire
        • Infrared light beam port
        • Bluetooth
  • Hardware within Computer
    • Modem
    • Video card
    • Sound card
    • Fan
    • Expansion slots
  • Hardware within Computer
    • Bus
      • Internal bus
      • External bus
      • Address bus
      • Data bus
    • Surge protectors
  • Output Devices
    • Monitor
      • Resolution
      • Pixel
        • megapixel
      • LCD screen
      • Plasma screens
  • Output Devices
    • Printers
      • Dot matrix
        • Dots per inch
      • Laser printer
      • Thermal printers
      • Ink jet printers
      • Multifunction printer
  • Output Devices
    • Speakers
    • Data projector
      • Keystoning
    • Scanner
    • Optical disc
      • Write once read many
  • Wireless Connection
    • Wi-Fi
  • Notebook PC
    • Laptop
    • Wireless computers
  • Software
    • Instructions to operate
      • Operating systems
      • Application software
      • Utility programs
  • Software
    • Multitasking
    • Device driver
    • Enterprise software
  • Programming Languages
    • Bit
    • Byte
    • Sample software languages
      • FORTRAN
      • COBOL
      • BASIC
      • Java
      • C++
  • Internet Programming Languages
    • Hypertext markup language
    • Extensible markup language
    • Generalized markup language
  • Communication and Internet Technologies
    • Network
      • Hub
      • Peer-to-peer
    • Firewall
    • Routes
    • Client-server networks
    • Local area network
    • Wide area network
  • Interfaces
    • Connection between computer and network
  • Internet Connections in Networks
    • Ethernet
    • Wireless
    • Fiberoptic
    • Modems
      • Dial-up
      • Cable
      • Digital subscriber line
  • Internet Connections in Networks
    • Wireless cards
  • Types of Networks
    • Bus
    • Star
    • Token ring
    • Tree (hierarchical)
    • Hybrid
    • Daisy chain network
  • Internet Technologies
    • Internet
      • Internet service provider
      • High speed
        • T1
        • T3
  • Internet Technologies
    • Intranet
    • Extranet
  • Computerized Records
    • Electronic health record
    • Electronic medical record
    • Computerized patient record
  • 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
  • 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
  • Computerized Records – Benefits
    • Improved patient confidentiality and record security
    • Consistent data presentation
    • Increased patient healthcare communications
    • Increased efficiency
    • Reduced operating costs
  • 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