Fragmentation Fragmentation is the degree to which pieces that make up files are spread across the hard disk.
Cleaning Compounds and Materials • Monitor cleaning wipes • Keyboard cleaning wipes • Lint-free cleaning cloths • Rubbing alcohol • Mild household cleaner • Cotton swabs • Window cleaner • Toothpicks • Artist’s paintbrushes • Compressed air canister • Computer or electronics vacuum • Toner cloths • Mask • Latex gloves
Decide When to Upgrade 1. Determine the components that you need to upgrade. 2. Determine the total cost of upgrading all components and compare this to the cost of a system replacement. 3. Determine the business requirements for the upgrade. 4. Determine the budget you have available. 5. Perform a cost/benefit analysis.
Material Safety Data Sheets • Physical data • Toxicity • Health effects • First aid • Reactivity • Storage • Safe handling and use precautions • Disposal • Protective equipment • Spill/leak procedures • A cable modem connects via an RG-59 coaxial cable • An RJ-45 cable connects from the cable modem to the network card