The timer T1 of 8051 single chip microcomputer is used as counting mode, and the counting pulse is. A: Input from T1 (p3.5) B: Provided by internal clock frequency C: Input from t0 (p3.4) D: Counting by external counting pulse

We are all _________ winning this contract. A: giving in B: counting in C: giving away D: counting on

token counting machine

There are bubbles in the counting chamber. The result of cell counting compared with real cell density is ( ). A: large B: small C: unchanged D: uncertain

People start “counting nine” from _________.

重复计算花招( double - counting game)

The counting mode is to count the external pulse of P0 port

Thomas Edison’s first patented invention was a device_____<br/>in Congress. A: votes counted for B: had been counting votes C: for counting vote D: be a counted vote

Counting is different from number sense in that counting is ______. A: dependent on simpler mental activity B: found in animals as well as man C: farther up the evolutionary scale D: present in animals on the basis of much evidence

The instruction to stop counting the timer T1 of 8051 is to stop counting the timer T1 of TCON. A: TF0 position 1 B: Tr0 position 1 C: Tr0 position 0 D: Tr1 position 0