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 mouses 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 PCs 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 CDs. 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