Field Study: Basics of Hardware and Software Input/Output (I/O) Devices Patrick Bautista Joseph Belton Ryan Loughlin Raul Rodriguez Professor Fang Fang February 8 th, 2007

In this presentation we will….. Explain how I/O devices function inside a computer system Identify the spectrum in which I/O devices can affect a computer’s performance List I/O devices most major brands and their equivalent costs. Make recommendations to an array of users that will help make their life easier and more convenient

How the products work and function in a computer system. Input Devices: KeyboardMouseScanner Digital camera Digital camera Joystick Microphone Webcam Xbox

A hardware device that sends information into the CPU. Without any input devices a computer would simply be a display device and not allow users to interact with it, much like a TV.

Output Devices: MonitorPrinter Speakers Sound card Sound card Video card Video card Any peripheral that receives and/or displays output from a computer. computer

Components with a Major Affect on Computer Performance Video Displays - Monitors CRT - Cathode Ray Tube LCD - Liquid Crystal Display

Factors that Affect Computer Performance Viewing Size Dot Pitch / Pixel Pitch Optimal Resolution Main Memory Special Memory (Video Card)

Components with a Minor Affect on Computer Performance PrinterScannerKeyboard Gaming Keyboard Mouse Optical Mouse Optical Mouse Laser Mouse Laser Mouse

Hardware Providers

Types of Providers General wholesalers and retailers Sell other manufacturer’s products Sell other manufacturer’s products May use partnerships or strategic alliances May use partnerships or strategic alliances Major players include: CDW ( CDW ( Comp USA ( Comp USA ( Fry ’ s ( Fry ’ s ( Best Buy ( Best Buy ( Circuit City ( Circuit City ( Office Depot ( Office Depot ( Staples ( Staples (

Types of Providers, cont. Specific brand providers Generally market their own products Generally market their own products May provide other brand products through partnerships or strategic alliances May provide other brand products through partnerships or strategic alliances Major players include: IBM ( IBM ( Dell ( Dell ( HP ( HP ( Many, many more specific to the device type (see following slides) Many, many more specific to the device type (see following slides)

Input Devices Types, Prices, Brands and Features

Mouse Prices and Brands Prices range from $10 to $100 Features include: Standard or mini (notebook) size Standard or mini (notebook) size Up to six buttons Up to six buttons With or without wheel With or without wheel Wired, wired retractable or wireless Wired, wired retractable or wireless Optical or laser Optical or laser Brands include: Kensington Kensington Logitech Logitech Microsoft Microsoft Targus Targus Micro Innovations Micro Innovations IO Gear IO Gear

Keyboard Prices and Brands Prices range from $10 to $200 Features include: Wired or wireless Wired or wireless Illuminated Illuminated Media pad functionality with mini-LCD Media pad functionality with mini-LCD Dockable or Universal Serial Bus (USB) connection Dockable or Universal Serial Bus (USB) connection Brands include: Microsoft Microsoft Micro Innovations Micro Innovations Kensington Kensington Logitech Logitech Mace Mace Grandtec USA Grandtec USA

Scanner Prices and Brands Prices range from $80 to $1800 Features include: Monochrome or color Monochrome or color Sheet or flatbed Sheet or flatbed Stationary or mobile Stationary or mobile Various resolution and speed capabilities Various resolution and speed capabilities All-in-one functionality (printer, scanner and/or fax) All-in-one functionality (printer, scanner and/or fax) Brands include: Visioneer Visioneer HP HP Epson Epson IRIS IRIS Canon Canon CardScan CardScan

Webcam Prices and Brands Prices range from $16 to $355 Features include: Monochrome or color Monochrome or color VGA or USB connection VGA or USB connection Various resolution capabilities Various resolution capabilities Remote-motion sensing Remote-motion sensing Brands include: Logitech Logitech Creative Labs Creative Labs Micro Innovations Micro Innovations Microsoft Microsoft Ezonics Ezonics D-Link D-Link

Microphone Prices and Brands Prices range from $15 to $78 Features include: Desktop or headset mounted Desktop or headset mounted Wired or wireless Wired or wireless Various clarity capabilities Various clarity capabilities Multiple functionality (including earphones) Multiple functionality (including earphones) Brands include: Labtec Labtec Logitech Logitech Plantronics Plantronics

Output Devices Types, Prices, Brands and Features

Monitor Prices and Brands Prices range from $80 to $2000 Features include: LCD or CRT LCD or CRT Widescreen or standard Widescreen or standard USB, Video Graphics Array (VGA), Super VGA or Digital Video Input (DVI) connection USB, Video Graphics Array (VGA), Super VGA or Digital Video Input (DVI) connection Brands include: Viewsonic Viewsonic Samsung Samsung Sony Sony Envision Envision KDS KDS Acer Acer

Printer Prices and Brands Prices range from $30 to $1800 Features include: Monochrome or color Monochrome or color Impact, inkjet, laser or photo quality Impact, inkjet, laser or photo quality Various resolution and speed capabilities Various resolution and speed capabilities All-in-one functionality (printer, scanner and/or fax) All-in-one functionality (printer, scanner and/or fax) Brands include: HP HP Epson Epson Canon Canon Lexmark Lexmark Samsung Samsung Brother Brother

Speaker Prices and Brands Prices range from $20 to $400 Features include: Standard or mini (notebook) size Standard or mini (notebook) size Wired or wireless Wired or wireless Dockable or USB connection Dockable or USB connection Up to 5.1 channels Up to 5.1 channels THX certified THX certified Brands include: Logitech Logitech Creative Labs Creative Labs Altec Lansing Altec Lansing Harman Multimedia Harman Multimedia Bose Bose

Headset Prices and Brands Prices range from $6 to $197 Features include: Wired, wired retractable or wireless Wired, wired retractable or wireless USB connection USB connection Various clarity capabilities Various clarity capabilities Noise-cancellation Noise-cancellation Multiple functionality (including microphone) Multiple functionality (including microphone) Brands include: GN Netcom GN Netcom Logitech Logitech Plantronics Plantronics Labtec Labtec Zip-Linq Zip-Linq Saitek Industries Saitek Industries

Our Recommendations…. Are based on numerous different things: Whether it be; Price Price User Type User Type Function Function Purpose Purpose Necessity Necessity All of these devices can help make your life easier in some way, shape or form

So whether you are a…. Home User Secretary Store Manager …. these devices help make your life easier and more convenient.

The Home User Digital Cameras Play Station 3 Xbox 360 Video Camera DVD Player Surround Sound LCD Television ipod

A Secretary…. MonitorsPrintersScannersMouse'sKeyboardsMicrophonesEtc….

A Store Manager…. LCD Monitor Wireless Keyboard Wireless Mouse Web Cam Flash Drives Palm Pilot Blackberry

What to remember…. Input/Output Devices are the collection of interfaces that different functional units (sub-systems) of an information processing system use to communicate with each other. interfacesfunctional unitssub-systemsinformation processing system interfacesfunctional unitssub-systemsinformation processing system So whether it be a digital camera, blackberry, laser printer or a keyboard. All make our lives easier and more convenient on an everyday basis.

Thank you and… Questions?Comments?Concerns? Constructive Criticisms? ….otherwise this show is over!