1. Info Tech for Medical Profession
Unit 3- Peripherals & Ports

2. Objectives Identify & describe input devices
Identify & describe output devices
Connect input & output devices to a computer
Identify common peripherals
Identify common ports on a computer and what plugs into them

3. Input Devices
Allow data IN the computer

4. Input Device- Keyboard
Regular
Backlit
Ergonomic
Wireless
Flexible
Virtual/On-Screen
Ergonomic: allows use of more natural hand, wrist, and arm position. Help prevent carpal tunnel.
Wireless: Has a USB device to receive/transmit signals or is Bluetooth
Flexible: rolls up for travel; is water-resistant.
Virtual: on-screen or portable.

5. Input Device- Mouse Mechanical Optical Laser Wired; Has a ball
LED light
Works on most surfaces
Laser
Laser light
Works on glass
Optical & Laser come in wired or wireless.
Can’t tell the difference between optical & laser without reading the sticker on the mouse.
Laser mouse is more accurate. Good for gaming.

6. Input Device- Voice Recognition
Speak commands into PC & enter text
Software must be installed
Need microphone
Disabled people use

7. What are these input devices?

8. Review- 3Q
Which type of keyboard would help prevent carpal tunnel syndrome?
Ergonomic
Which type of mouse works on any surface, including glass?
Laser mouse
What can you use to speak commands or text into a PC?
Voice recognition software

9. Digital Camera- Special Input
Capture still pics & videos
Point & shoot
DSLR
Pictures stored to media card
SD is most common
Transfer to computer or cloud

10. Digital Camera Features
Megapixels (12MP)
Quality of photo
Not as important anymore
Millions of dots
More= better prints
Lens/Zoom
Optical Zoom (lens comes out)
Digital Zoom (digitally enhanced)
Anything over 5mp is great for digital photos & prints.

11. Digital Camera Zoom

12. Digital Camera Features
Screen size
Touch screen
Waterproof
Use Rechargeable Battery
NO ALKALINES!

13. Digital Camera on Phone
Look for same features
Rear facing camera: 12.3mp
Front-facing camera: 8mp
Flash: Dual LED means there’s an LED flash on both front & rear camera
Pixel size: bigger number means better low-light photos
Camcorder/Video: 4K, 1080p= very high definition videos

14. Review- 4Q What feature describes the quality of the photo?
Megapixels
Which type of zoom occurs when the lens actually goes in/out of the camera body?
Optical zoom
What type of camera is most common?
Point and shoot
What type of camera do professional photographers use that has interchangeable lenses?
DSLR

15. Project
Look up & identify camera features for your assigned camera and your phone
Add features to poster/flyer
Include for Camera:
Brand, Megapixels, Optical zoom, digital zoom, screen size, type of memory card, special features, type of battery
Include for Phone:
Brand, Megapixels, screen size, type of memory card, CPU brand/speed, RAM, internal storage size

16. Output Devices
Data comes OUT of the computer

17. Output Device- Printers
Dots per Inch (DPI)
More dots= better quality
4800 x 1200 (H x V)
Pages Per Minute (PPM)
How fast it will print
Black & Color speeds usually differ
Color is slower

18. DPI Examples
Most printers today will print great quality.

19. Output Device- Printers
How it connects
USB, Wireless, Mobile
All-in-one
Print, Scan, Copy
Other features
Duplex printing (both sides)
Input paper capacity
Amount of cartridges it takes

20. Inkjet Printer Nozzles spray liquid ink Takes ink cartridges
2 (black/tri-color)
4 (black/3 sep. colors)
Prints hundreds of pages
Great quality, fast, quiet
Very inexpensive
Also Photo quality cartridges & XL cartridges (more ink) are available.
Colors are CMYK (Cyan, Magenta, Yellow, Black)

21. Laser Printer Laser inside Toner is a powder Black or Color
Thousands of pages from toner
Black or Color
4 color toners (CMYK)
Great quality, very fast printing
More expensive than inkjet

22. Finding Ink & Toner They make money from ink & toner
Printer: $50; Cost to make: $45
Ink Sells for: $20; Cost to make: $6
Use Ink & Toner Finder
Note the XL’s.
Look up on Best Buy’s website: HP - ENVY 4520 (HP 62 Black, HP 62 Tri-Color)

23. Project Find features of your assigned printer
Type: Printer or All-in-One
Laser or Inkjet
Color or Black only
Black DPI; Color DPI
Black PPM; Color PPM
Connections; USB, Wireless, Mobile
Paper Input Capacity
Duplexing or Single-sided
Amount of cartridges & cartridge #
Cost of printer, ream of paper, 3’ USB Printer cable

24. Review- 4Q
If your printer takes a cartridge with powder, what kind of printer is it?
Laser
What are the 4 printer colors used?
CMYK
What feature describes the quality of the prints?
DPI
What feature describes how fast a printer prints?
PPM

25. Try & Name the Ports

26. PS/2 Ports- OLDER
Purple
Keyboard
Green
Mouse
Both 6 pin female

27. Video Display Ports VGA HDMI Blue 15 pin female Video only, analog
Digital HD video & audio through one cable

28. USB Ports Transfer data & electricity
Plug and play (PnP) & Hot swappable
High speed
2.0- fast; 10 songs/sec.
3.0- faster; songs/sec.
Average digital photo is 2MB. Average mp3 song is 3-4MB. At typical USB speeds, you can transfer about 10 songs per second or 20 pictures per second. FRONT & BACK of PC.
BLUE IS USB 3.0.

29. Network Port NIC or Ethernet Connect to network
8 pins
LED connection lights
Connect to network
Use an Ethernet Cable /Network Cable
Notice a telephone cable connector is smaller and only has 2 or 4 pins.

30. Audio Ports Line In Line Out Microphone Audio into PC
Record Player to PC
Line Out
Headphone
Speakers
Microphone
Most laptops do not have audio in anymore (or it’s combined with mic input).

31. Try & Name the Ports

32. Projects Label & color ports on class computers
View & connect wires in class
Which port would you connect the device to?
Practice connecting wires
Desktop, All-in-One, Laptop

33. Review- 4Q Which video port sends HD audio & video through one cable?
HDMI
What common port transfers data and can charge your cell phone?
USB
How many pins is the old keyboard & mouse ports?
6 pin female
The VGA port is what color and how many pins?
Blue, 15 pin female

34. Review- 3Q Which port would you connect to get access to a network?
Ethernet
Joe wants to convert his old records to CD’s. Which port can you plug his record player into?
Line In
Which port is a common plug and play one?
USB

35. Info Tech for Medical Profession
Unit 3- Peripherals & Ports