1. CHAPTER 19
BASICS OF COMPUTERS

2. COMMUNICATING THROUGH COMPUTERS
Computers are much more widely used now
Taken for granted
Virtually everywhere in all parts of life

3. SPEED OF COMMUNICATION
Computers are expensive in the beginning, but pay for themselves
Time saved
Increased productivity
Businesses find more and more uses for computers
Track appointments, telephone numbers
Track all records of a business
Record data and use to make decisions

4. TYPES OF COMPUTERS Laptops, cell phones, pagers used to be separate
Personal Data Assistant (PDA)/Smart Phone – handheld computer with internet capabilities
Voice recorder, calendar, appointment book
Can also now combine with phone and MP4
iPAD, iPhone, Blackberry, Android

5. New Technologies Syncing phones/computers
DO NOT SYNC your phone with D150 computers!!!
Anything you do online at D150 is tracked---wired or wireless
Private vs open browsing
Deny Logs-

6. COMPUTER TYPES (cont.) Desktop computer – most common
Linked together in one of two ways
Mainframe
Network computing system
Allows workers to share files, data, and resources within the company

7. COMPUTER TYPES (cont.) Computerized cash registers
Bar code readers at UPS, Post Office, airport luggage routers
Scanners – laser or infrared optic device to read bar codes
Diagnostic computers for cars
Editing computers for movies and special effects

8. PARTS OF A COMPUTER All computers controlled by instructions
Four main parts
Software
People
Data
Hardware

9. COMPUTER PARTS (cont.) Software – tells the computer what to do
Takes the data and turns it into information however the user (human) tells it to
Data can be letters, sound, graphics, or numbers
Hardware – the physical parts of a computer
Includes processor, memory, input & output devices and storage devices

10. STOP SLIDE

11. PROCESSORS Brain of computer
Carries out instructions, calculations, and logical comparisons at high speeds
Millions of instructions per second
Located in Central Processing Unit (CPU) and consists of small silicon chips

12. MEMORY Called Random Access Memory (RAM)
Loads all instructions for computer to carry out functions you need
RAM is active as long as computer is on
Measured in bytes
Chart on Page 302
Megabyte (MB) is 1 million bytes

13. INPUT & OUTPUT DEVICES Computer is useless without these
Only way to get data into or out of a computer
Input – anything that puts data into a computer
Output – anything that gets data out of a computer

14. STORAGE DEVICES Save and hold information
Take data from RAM and put them into permanent storage
The “file cabinet” of the computer
Some are portable – flash drives, floppy disks, CD-ROM drives, ZIP drives
Software transferred from computer to computer via storage devices

15. TYPES OF SOFTWARE
Word Processing Programs – Microsoft Word, Corel Word Perfect
Spreadsheet Programs – Lotus and Microsoft Excel
Accounting Programs – Peachtree and Quickbooks
Database Programs – Microsoft Access, Corel Paradox

16. MORE TYPES
Graphics and Presentation Programs – PowerPoint and Harvard Graphics
Communications Programs – Microsoft Outlook, Snapchat, Twitter
Groupware – Lotus Notes
Web Page Programs – Macromedia Dreamweaver, Microsoft FrontPage
Desktop publishing: InDesign/Photoshop
Video Editing: Imovie, Final Cut

17. STOP SLIDE

18. WORD PROCESSING Most common use of computer for business
Change way document looks as you make it
Can combine with desktop publishing
Desktop publishing makes newsletters, graphical handouts, magazines, brochures, programs for sport events

19. SPREADSHEETS Computerized worksheet
Can create different business scenarios, change them with the click of one button and have all the values change
Possibly most powerful of all software programs

20. ACCOUNTING Businesses buying software to do their own accounting
Keep track of all payments and cash received for business
Can even write checks on computer
Modified database and spreadsheet combination

21. DATABASES
Collection of data that relates to other data in some way to create information
Group data in ways that mean something to business
Absolutely necessary to understand databases in business

22. GRAPHICS AND PRESENTATIONS
Make professional presentations
Adding graphics to emphasize points
Special effects and colors make presentations more enjoyable and effective

23. COMMUNICATIONS
Any software that allows you to communicate using the computer
, chatting
While distracting and time wasting, are also effective ways to communicate within an office
Some can even fax to/from the computer (no paper)

24. GROUPWARE Also called project management software
Makes it easier for team members to work together on same project
Keeps all team members informed at once
Instant updates on progress, costs, etc.

25. WEB PAGE Making data available on the internet
Shares your data with other businesses
Gets your information to customers