21Which port is commonly used today to connect monitors with both video and audio?AVGA onlyBHDMICPS/2DSerialView AnswerDiscussWorkspaceReportSaveEasy
22Which hardware converts digital signals to analog for telephone lines and back?ASwitchBRouterCHubDModemView AnswerDiscussWorkspaceReportSaveEasy
23Clock speed of a processor is measured in:ABytesBHertz (GHz)CPixelsDWattsView AnswerDiscussWorkspaceReportSaveEasy
24Which component supplies regulated power to the computer?AMonitorBSMPS (power supply unit)CUPS onlyDCPUView AnswerDiscussWorkspaceReportSaveEasy
25Which of these is a pointing device?AMicrophoneBMouseCPrinterDScannerView AnswerDiscussWorkspaceReportSaveEasy