A. Corrupted print spooler software
B. Memory leak in one of the print drivers
C. The disk drive is out of free space
D. Memory leak in the print spooler
第1题:
19、以下哪个代码是正确的?
A.print("Programming is fun") print("Python") print("Computer Science")
B.print("Programming is fun") print("Python") print("Computer Science")
C.print("Programming is fun") print("Python") print("Computer Science")
D.print("Programming is fun") print("Python") print("Computer Science")
第2题:
00330038003000301585067361821下列程序段执行结果是___________。 x = 1 print(type(x)) x = 1.0 print(type(x)) x = '1.0' print(type(x)
A.<class 'int'> <class 'float'> <class 'str'>
B.<class 'float'> <class 'int'> <class 'str'>
C.<class 'str'> <class 'float'> <class 'int'>
D.<class 'str'> <class 'int'> <class 'float'>
第3题:
以下几个串口通信函数,用于读取串口数据的是()
A.Serial.begin ()
B.Serial.read ()
C.Serial.print ()
D.Serial.available ()
第4题:
下面代码的输出结果是 x = 12.34 print(type(x))
A.#B.#C.#D.第5题:
下列程序段执行结果是___________。 x = 1 print(type(x)) x = 1.0 print(type(x)) x = '1.0' print(type(x)
A.<class 'int'> <class 'float'> <class 'str'>
B.<class 'float'> <class 'int'> <class 'str'>
C.<class 'str'> <class 'float'> <class 'int'>
D.<class 'str'> <class 'int'> <class 'float'>
第6题:
下面的代码可以创建一个字典。 d = {1,2} print(d, type(d))