Field Study Basics of Hardware and Software Input Output

Field Study: Basics of Hardware and Software Input/Output (I/O) Devices Patrick Bautista Joseph Belton Ryan Loughlin Raul Rodriguez Professor 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: Keyboard Mouse Scanner 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: Monitor Printer Speakers Sound card Video card Any peripheral that receives and/or displays output from a 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 Printer Scanner Keyboard Gaming Keyboard Mouse Optical Mouse Laser Mouse

Hardware Providers

Types of Providers General wholesalers and retailers n Sell other manufacturer’s products n May use partnerships or strategic alliances Major players include: n CDW (www. cdw. com) n Comp USA (www. compusa. com) n Fry’s (www. frys. com) n Best Buy (www. bestbuy. com) n Circuit City (www. circuitcity. com) n Office Depot (www. officedepot. com) n Staples (www. staples. com)

Types of Providers, cont. Specific brand providers n Generally market their own products n May provide other brand products through partnerships or strategic alliances Major players include: n IBM (www. ibm. com) n Dell (www. dell. com) n HP (www. hp. com) n 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: n n n Standard or mini (notebook) size Up to six buttons With or without wheel Wired, wired retractable or wireless Optical or laser Brands include: n n n Kensington Logitech Microsoft Targus Micro Innovations IO Gear

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

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

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

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

Output Devices Types, Prices, Brands and Features

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

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

Speaker Prices and Brands Prices range from $20 to $400 Features include: n n n Standard or mini (notebook) size Wired or wireless Dockable or USB connection Up to 5. 1 channels THX certified Brands include: n n n Logitech Creative Labs Altec Lansing Harman Multimedia Bose

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

Our Recommendations…. Are based on numerous different things: Whether it be; n n n Price User Type Function Purpose 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…. Monitors Printers Scanners Mouse's Keyboards Microphones Etc….

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. 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!