Chartered Manager refers to a professional certification in management: C.Mgr., offered by the CIM Chartered Managers Canada; CMgr, offered by the Chartered Management Institute, U.K.
The DPI control is a physical switch on the top, bottom or side of your mouse. Press or slide the switch to adjust your mouse's sensitivity. Your mouse's LCD then displays the DPI setting, or you see a message on the monitor informing you of the DPI change.
Many hardware systems use DMA, including disk drive controllers, graphics cards, network cards and sound cards. DMA is also used for intra-chip data transfer in multi-core processors. Computers that have DMA channels can transfer data to and from devices with much less CPU overhead than computers without DMA channels.