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Computers in the Ambulatory Care Setting. Chapter 11. The Computer System. BASIC SYSTEM: Input Device: keyboard, mouse CPU: brain of the system Software: required by computer to accomplish tasks Output Device: monitor, printer, fax. Types of Computer Systems.

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Chapter 11

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the computer system
The Computer System


  • Input Device: keyboard, mouse
  • CPU: brain of the system
  • Software: required by computer to accomplish tasks
  • Output Device: monitor, printer, fax
types of computer systems
Types of Computer Systems
  • Supercomputers: fastest, most powerful and most expensive.
  • Mainframe: next largest in size and processing ability, used for large volumes of repetitive calculations.
  • Minicomputers: handle large amount of processing
  • Microcomputers:
    • Most widely used, Personal computer (PC)
components of a computer system
Components of a Computer System
  • Data Storage Devices:
    • Read-only Memory (ROM): permanently writes data or instructions into the memory
    • Random access memory (RAM): erases or “lost” when the computer is turned off (temporary storage data).
components of a computer system1
Components of a Computer System
  • Data Storage Devices
    • Hard Drive: non-portable storage device
  • Floppy drives:
    • portable memory storage device
  • Zip drives and Jaz drives
    • Hold 100 and 2,000 megabytes of data
  • Optical disks
  • Servers
components of a computer system2
Components of a Computer System
  • Networking: electronic connection of one or more computers, printers, software, and databases for the purpose of sharing information and resources.
    • LAN – local area network; most likely found in ambulatory care setting.
    • WAN – wide area network; usually found in a hospital-type clinic with many computers and sites.
software applications
Software Applications
  • Frequently referred to as a computer program, can be thought of as a set of instructions to follow or data to process.
    • System software: operating system that tells the computer hardware what to do and when to do it.
    • Application software: performs a specific data-processing function (word processing, accounting, etc).
security systems
Security Systems
  • Must protect against two threats: 1. virus and worms and 2. unauthorized access to the computer.
  • HIPAA requires:
    • Virus detection and elimination software
    • Unusual activity must be reported
    • Intrusion detection tools should be installed
    • Firewalls suggested to limit type of files that can be transmitted.
  • Defined: scientific study of work and space; influences worker productivity that affects workers’ health.
  • Concerns with computers:
    • Eyestrain (antiglare screen)
    • Carpal Tunnel Syndrome
    • Posture
common software
Common Software
  • Word Processing is used for:
    • Reports, medical transcription, memos, business letters, and articles.
  • Benefits of Word Processing:
    • Allows quick production of a document
    • Corrections can be made easily
    • Material can be cut, copied or pasted from other frequently used documents.
    • Much faster than typing.
structuring or defining a database
Structuring or Defining a Database
  • Databases are needed to maintain general patient identifying information in fields such as:
    • Patient name
    • Patient address
    • Work phone
    • Home phone
    • Patient insurance
structuring defining a database cont d
Structuring/Defining a Database Cont’d
  • Other fields might be included:
    • Sex
    • Social Security number
    • Date of birth (DOB)
    • Occupation
    • Place of employment
hipaa standards for patient health information
HIPAA Standards for Patient Health Information
  • Preparation and implementation of written confidentiality protocols and procedures.
  • Staff training and implementation of all protocols.
  • Identification and authentication protocols for all personnel.
  • Access control of computer output, modification, or destruction of files.
  • Security of transmitted data
  • Control of discarded records, storage media, and computer hardware.

Areas of professionalism directly related to the medical office may include:

  • Working as a member of the health care team; actively involved.
  • Adapt to change.
  • Work ethic and use of computer.
  • Enhance skills through education.