Dirt, dust, hair, food, etc. can get caught in the keyboard causing the buttons not to work. One can turn board upside down and shake it or get a can of compressed air . If liquid gets in it turn off computer, flip it upside down spray with water, and try to get all the water out. Leave upside down for at least 12hours.
When roller is difficult to use it needs cleaned. Take the ball out and clean out the socket. Then put back together.
Regular maintenance will extend the life of the printer. Turn off the printer › Get a lint-fee cloth moisten it with 50-50 water and vinegar (make sure no water get inside). Never spray aerosol directly onto the printer Inkjet and laser printers have different steps but steps above apply of both.
Add RAM to the computer to increase speed. RAM is installed in the motherboard. More RAM is recommended because it is data that is not saved so with a lot of it your computer will operate faster.
Ergonomic keyboards are made to be more comfortable for someone. Wireless keyboards are easier to move and take away wires. There are wireless, ergonomic, optical and combinations of mice. Instead of a mouse one can use to touchpad. › One can use their finger to move the pointer.
Disk fragmentation is when files are not stored in contiguous clusters but are divided into subparts. Disk defragmentation reduces fragmentation. Reduces seek time.
Holding area for temporarily deleted files. Last place before permanent deletion.
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