Hardware Systems
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This document discusses hardware systems and the four basic computer operations of input, processing, output, and storage. It defines key input systems like keyboards, mice, microphones, cameras, scanners, and digital pens. It also discusses printers and how they output data. The document provides information on computer data being represented by binary digits or bits, and how bytes are used to size computer data and storage.
Hardware Systems
- 1. MIS Chapter 4 Hardware Systems
- 2. Review • Five competitive forces – Customer bargaining power – New entrant threat – Supplier bargaining power – Substitution threat – Industry rivalry • An organization responds by choosing a competitive strategy • Competitive strategy defines value chains and linkages (information systems).
- 3. Seth Godin
- 4. Four Computer Operations • Input • Processing • Output • Storage “A computer is something that does stuff to data.”
- 5. Data Defined • Binary digits (bits) – Used to represent data • Bit is either zero or one • Sizing Computer Data – Bytes – 8-bit chunk equals 1 byte – Size of main memory, storage devices etc.
- 7. Input Systems • Keyboard • Mouse • Microphone • Video camera • Image scanner • Information scanner (bar code scanner, scantron machine) • Digital Pen • Graphics Tablet
- 9. Keyboard & Mouse • Ergonomics • Function Keys • Optical Mouse • Wireless
- 10. Microphones • Customer Service • Interviewing • Recording webinars • Podcasts • Conferencing
- 11. Cameras • Quality Control • Video Marketing • Webinars • Video Conferencing
- 12. Scanner • Office Efficiency • Digitally sign paperwork.
- 13. Printers • Inkjet • Laser • Dot-Matrix