Chapter 2b- Peripherals & Ports

 Identify & describe input devices  Identify & describe output devices  Connect input & output devices to a computer  Identify common peripherals

 Allow data IN the computer

 Standard  Ergonomic  Wireless  Flexible  Virtual

 Mechanical Mouse (OLD)  Has a rubber ball under ◦ Sensor detect movement  Must use mouse pad

 Optical ◦ LED on bottom ◦ No mouse pad needed ◦ Not good on glass  Laser ◦ Laser light on bottom ◦ No mouse pad needed ◦ 20x better sensitivity  Wireless ◦ USB Receiver ◦ Optical or Laser

 Speak commands into PC & enter text  Software must be installed  Disabled people use

 Which type of mouse’s movement is caused by a ball? ◦ Mechanical  You just got a fancy, new glass computer desk. Which type of mouse should you use? ◦ Laser  How does a wireless mouse connect to a computer? ◦ USB adapter  If a person cannot type, what would you recommend so they can use a computer? ◦ Voice recognition software/microphone

 Capture still pics & videos ◦ Point & shoot ◦ DSLR  Pictures stored to media card ◦ SD is most common  Transfer to computer

 Lens/Zoom ◦ Digital Zoom ◦ Optical Zoom  Rechargeable Battery ◦ NO ALKALINES!  Megapixels ◦ Pixel= single dot ◦ Mega= million ◦ More= better prints  Touch screen  Wireless Transfer

 Make a feature chart for a digital camera ◦ P&S, DSLR, Phone  Brand, Megapixels, Optical zoom, digital zoom, screen size, type of memory card, special features, type of battery

 Data comes OUT of the computer  Name some

 Video card in case sends images to monitor  CRT ◦ Big & bulky  LCD & LED ◦ Thin, flat-panel ◦ Less energy  Connect w/ video cable & power

 DPI ◦ Dots per inch ◦ More dots= better quality ◦ 4800 x 1200 (H x V)  PPM ◦ Pages per minute ◦ Black & Color speeds  Color is slower

 Dot Matrix ◦ Pins hammer into ink ribbon ◦ Connected paper with guide holes ◦ Not good quality ◦ Slow & noisy

 Nozzles spray liquid ink  Very good quality  Quiet  Fast  Inexpensive

 Laser inside  Toner is a powder ◦ Thousands of pages from toner  Very fast printing  B&W or color ◦ 4 color toners (CMYK)

 All-In-One ◦ Print, copy, scan  Some have fax too ◦ Inkjet & laser  Photo Printer ◦ Small ◦ 4 x 6 glossy  Plotter ◦ Large paper ◦ Drafting, posters

 How they connect ◦ Wired- USB or network ◦ Wireless  Print from any PC, phone, tablet  Make money from ink & toner ◦ Printer: $50 ◦ Ink Cost: $6  Price You Pay: $20-$30

 Get your printer brand & model #  Look up: ◦ Inkjet or Laser ◦ All-in-one or not ◦ dpi ◦ ppm (black & color) ◦ Connections ◦ Ink or toner cost ◦ Cost of printer ◦ Cost of a ream of paper ◦ Cost of a 3’ USB cable ◦ Cost of 8 x 10 photo paper

 Which type of printer uses a hammer that strikes a ribbon? ◦ Dot matrix  You just received a new toner for your printer. Which type of printer do you have? ◦ Laser printer  What is the measurement of a good quality print? ◦ Dpi  If you want to know how fast a printer prints, which feature are you interested in? ◦ ppm

 Purple ◦ Keyboard  Green ◦ Mouse  Both 6 pin female

 VGA ◦ Blue ◦ 15 pin female ◦ Video only, analog  HDMI ◦ Digital HD video & audio through one cable

 Transfer data & electricity  Plug and play (PnP) ◦ “Hot swappable”  High speed ◦ 2.0- fast; 10 songs/sec. ◦ 3.0- faster; 100 songs/sec.

 NIC or Ethernet  Connect to network  Use an Ethernet Cable or Network Cable

 Parallel ◦ 25 port female ◦ IEEE 1284 ◦ Old Printers  Serial ◦ 9 port male ◦ RS-232 ◦ Old modems & mice

 Parallel  Serial

 Modem  RJ11  Phone/Line Jacks  56kbps

 Line In ◦ Audio into PC ◦ Record Player to PC  Line Out ◦ Headphone ◦ Speakers  Microphone

 S-video (OLD) ◦ Digital video out  DVI (OLD) ◦ HD video out  Firewire (OLD) ◦ Replaced by USB

 Bring in Laptop or Take picture of laptop/desktop ports ◦ Laptop- all sides  Print in class & label  View & connect wires to class PC’s  Practice connecting wires

 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

 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

 Practice Connecting Cables  Handout ◦ What port would you connect the device to?

 Which part of the computer performs calculations and controls processes? ◦ CPU  What is it called when people can speak into a PC and have it perform those commands? ◦ Voice recognition  Which type of memory is volatile? ◦ RAM

 Which software translates speech into text? ◦ Voice recognition  What is the name of the path that data travels on a motherboard? ◦ Bus  Which type of storage device has no moving parts? ◦ Flash/USB drive

Chapter 2b- Peripherals & Ports