Which is the most difficult environmentally to dispose of?

A customer has just installed a new cd-rw. the system was working fine before the installation, but now the cdrom does not work, what should you suggest that the customer do?

When you are testing a fuse, you should set the Volt-OHM meter to what scale?

After displaying the directory of a floppy disk, a different floppy is inserted into the drive. The contents of the original floppy continue to display regardless of the director requests on the other floppies placed in the drive. You remove the drive in question and install it into your test system, and it does not exhibit the problem. You should next replace the:

What resistance in ohms should be displayed when testing a speaker in a computer?