Labels:dialog box | sky | web site | window OCR: A playback test records the time required for computer to accomplish a pre- recorded sequence ot operating systerm calls These "calls" are actually the communication between the operating systerm and a particular device such aS hard disk drive or graphics card Playback tests provide useful information about the performance of an individual device o component of vour computer systerm Page TOPIC 2 secuence system communic ation usefu informatior svstem
