1. Introduction to Computers
Unit 1

2. Objectives Identify types of computers common in medical environments
Identify components of personal computers
Explain data processing cycle and how it applies to computer tasks
(continued)

3. Objectives Differentiate between software and hardware
Discuss common software used in medical workplace and its function(s)
Identify common hardware devices and their function(s)
(continued)

4. Objectives Demonstrate basic skills for using Microsoft® Windows
Explain how to manage files in Windows environment

5. Important Terms Applications software Systems software Workstation
Desktop
Interface
Input
Output
Active window
Document window
Network

6. Introduction Begin with basics:
Review computer terminology
Learn fundamental skills
Always allow ample time to spend on computer exercises
Practice often and be patient

7. Networking versus Stand-Alone
Computers in medical office often networked (interconnected or linked)
Allows many users to share same programs, files, and equipment
Types:
Local area network (LAN)
Wide area network (WAN)
Stand-alone unit or single computer

8. Types of Computers Mainframes Large and powerful
Used in government offices, hospitals, and large businesses
Well equipped to secure patient records and data
Electronic health records
(continued)

9. Types of Computers Mainframes
Allows storage and viewing of large image files
e.g., MRIs, CT scans
(continued)

10. Types of Computers Servers
Computer accessible to other computers in a network
Provides data storage, access to programs/files, and firewall
Dedicated or shared
Workstations
Computers networked to servers
(continued)

11. Types of Computers Personal computer Central processing unit (CPU)
“Brain” of computer
Allows computer to run programs
Desktop and laptop computers

12. Data Processing Cycle Input Processing
Data (information) goes into computer
e.g., keyboard, mouse, scanner, digital camera
Processing
Computer uses software programs to manipulate or perform operations on data
(continued)

13. Data Processing Cycle Output Anything that comes out of computer
Can appear in many forms:
On screen/monitor
Printed hard copy
Through speakers (audio)

14. Software Software programs Two types: Give instructions to computer
Tell computer to function in certain manner
Two types:
Applications
Systems

15. Applications Software
Allows user to perform specific tasks
e.g., Word processing (Word, WordPerfect), Spreadsheets (Excel), Database management (Access), Medical Practice Management Software

16. Systems Software
Refers to operating system that enables computer to communicate between its components
From computer to printer, keyboard, etc.
Allows application software to run
e.g., Windows XP/Vista, MAC OS X

17. Hardware Physical parts of computer Drives Random access memory (RAM)
Hard drive, CD-ROM, or DVD drives
Random access memory (RAM)
Ports
e.g., USB, serial, parallel

18. Devices for Internet Access
Modem
Allows computers to connect to each other and communicate over phone wires
DSL
Uses phone wires to connect, but does not interfere with voice services
Can use telephone and Internet at same time
(continued)

19. Devices for Internet Access
Cable modem
Allows access using cable TV wires
Can use TV and Internet at same time
WiFi technology
Allows access without physical connection
Computers must have wireless capability to connect

20. Connecting and Installing Hardware
Most devices require software to be installed
Always save software in case hardware needs to be re-installed
Some software may require registration codes, keys, or other information
Always keep in safe place for future use

21. Using the Computer Booting Now, Let’s Try It!
When computer is turned on
Every computer lab and office is different
Be sure to follow established protocols
Now, Let’s Try It!
Follow the instructions in Let’s Try It! 1-1 in your text to boot and shut down the computer.

22. Desktop Interface that allows users to manage resources on computer
Icons
Shortcuts to programs and files

23. Application and Document Windows
Application window
Contains actual software program
Document windows
Within application window
Appears when new document created
Active windows

24. Using Windows Title bar Maximize Minimize Close Drop-down menus
Toolbars

25. Drop-down Menus Ellipsis Arrows and arrowheads Underlined letters
Shortcut keys

26. Dialog Boxes
Command buttons OK
Cancel
Tabs
Check boxes
(continued)

27. Dialog Boxes
Drop-down boxes
Increment boxes
Radio buttons

28. Taskbar Bottom of desktop Start button/menu
In Windows Vista, Start appears as round icon in lower-left corner with Windows logo in it
Use to properly shut down computer

29. Navigating Windows Exercise
Now, Let’s Try It!
Follow the instructions in Let’s Try It! 1-2 in your text to start exploring Windows.

30. Storing Files and Windows Explorer
When file is ready to be saved, Save dialog box appears
Always look where document is being saved to find it later
Always give document name
Now, Let’s Try It!
Follow the instructions in Let’s Try It! 1-3 in your text to learn about Windows Explorer.

31. Opening and Saving Files
To open file:
File > Open
To save file:
File > Save As… when first saving file
File > Save when re-saving file
Big difference between Save and Save As
(continued)

32. Opening and Saving Files
Now, Let’s Try It!
Follow the instructions in Let’s Try It! 1-4 in your text to learn about opening and saving files.