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What is the file extension used by WIN95 to back up registry file when windows starts?
A. .dat
B. .dao
C. .bak
D. .tmp
E. None of the above

Option B
.dao

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When you boot a PC and don't hear any beep, this could suggest which of the following? A. The monitor is turned off B. Keyboard not plugged in C. Normal PC boot D. Bad or disconnected speaker E. None of the above	A 2xx POST error code indicates a problem with: A. RAM or ROM B. hard drive C. system board D. second adapter card E. CMOS battery