The great common divisor of 1001 and 1331 is ______ 。
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Ifa relation is anti-symmetric, then this relation also is asymmetric.( )
If Timer 0 of 8051 counts in mode 2, after executing the instruction “MOV TL0, #01H”, it will generate the overflow after counting ______ numbers.
The number of 8051 interrupt priorities is ______ .
The number of 8051 Timers is ______ . When Timer 0 is configured in mode ______ , it works as two independent ______ -bit timers.