【单选题】HAL库中GPIO引脚写0或1,使用的函数是()
【单选题】在证券交易所内,债券成交就是要使买卖双方在价格和数量上达成一致。这一程序必须遵循特殊的原则,又叫竞价原则。这种竞价规则的主要内容是"三先",其中不包括()。
【多选题】关于HAL_GPIO_TogglePin()和HAL_Delay()函数,说法正确的有:
A.
HAL_GPIO_TogglePin()可以实现GPIO引脚的电平翻转功能;
B.
HAL_Delay()函数可以实现时间延时功能;
C.
使用HAL_Delay()函数时,会用到系统节拍定时器SysTick;
D.
HAL_GPIO_TogglePin(GPIOA,GPIO_PIN_5);这句程序的意思是对PA5引脚实现电平翻转功能。
【单选题】All of the following statements about stereotyping are accurate, EXCEPT:
A.
People can improve the perceptual process by preventing the activation of stereotypes.
B.
Stereotyping causes us to ignore or misinterpret behaviours that are inconsistent with the stereotype we assign to a person.
C.
Stereotypes do not accurately describe everyone assigned to that stereotype.
D.
Stereotypes generally have some inaccuracies.
E.
Stereotyping can potentially become the foundation for prejudice.
【单选题】下面对HAL的描述正确的是()。
B.
HAL是一种可编程语言,可用于实现对显卡的操作
C.
HAL是一个指示设备完成某种操作的设备相关的代码集
【单选题】在使用HAL库时,我们处理外部中断的函数是()
B.
HAL_GPIO_EXTI_IRQHandler
C.
HAL_GPIO_EXTI_Callback
【单选题】You are installing Windows 2000 Server on a multiprocessor computer. The manufacturer has provided a customized Hardware abstraction layer (HAL) to use with the computer. The customized HAL is on a fl...
A.
During the text mode portion of the Windows 2000 setup, install the customized HAL.
B.
After the text mode portion of Windows 2000 Setup is complete, use the Recovery Console to copy the customized HAL to the system32 folder on the boot partition, and then continue Windows 2000 Setup
C.
After the text mode portion of windows 2000 Setup is complete, use the Emergency Repair process to replace the existing HAL with the customized HAL, and then continue the windows 2000 Setup.
D.
After the Windows 2000 Setup is complete, use Device Manager to scan for Hardware changes. When prompted, install the customized HAL.
【简答题】HAL与具体的硬件平台无关,改变具体的硬件平台,毋须作别的变动,只要改换其 HAL,系统就可以作平稳【 】。