Printer Qualities Resolution – dpi (900 magazine; 2400 books) Print Speed Cost to Purchase Cost to Run (monthly pages)
Printer type comparison TypeMax Res.SpeedDuty CycleOper CostMemory Ink Jet B&W 2400x ppm3000 ppm2-4c/page256KB-2MB Ink Jet color 1-2 ppm8-20c/page Laser B&W2400 dpi17 ppm150,000 ppm 1-2c/page8-32 mb Laser Color2-4 ppm Dot Matrix dpi5-6ppm ppm 1.5-2c/page2-128kb
Printers
Printers to buy Office that produces lots of large black and white manuals. Office that produces lots of marketing material. For a college student to do schoolwork and to print pictures from a camera For a college student to print spreadsheets and papers Office that sends out multi-part (5 deep) statements every month to mail to all its customers.
Monitor qualities Graphics card to give a boost CRT (large, all angles, smaller screen, cheaper) / LCD (small, full screen) Resolution – dpi Viewable image size Color depth or bit depth (true color is 24)
Uninterruptible power supply Short time protection Brown out protection Not too expensive
Modems Cable – usb, ethernet DSL – usb, ethernet Phone – serial
Networking equipment Router – outside Hub – connection inside Some routers have hubs
Network Basics Connected Same Workgroup Share disk