Explanation:
def letterDigitCount(j):
dic={"digits":0,"letters":0}
for a in j:
if a.isdigit():
dic["digits"]+=1
elif a.isalpha():
dic["letters"]+=1
return dic
Answer:
Colon(:) is the correct answer.
Explanation:
The colon(:) is used to contain those fields which is calculated in the queries. In other words, the colon is used to insert the name for that field which is calculated then, the user uses the colon(:) and after that, he uses the expression in the columns or the field row. So, That's why the following option is true.
Topology refers to the physical or logical arrangement of a network.
Answer: (C) Interrupt
Explanation: Interrupt is sort of a signal that is responsible for breaking of the continuity or sequence by occurring in hardware or software. Thus, input, output and memory may experience some sort of error in their sequence that is known as interrupt. The interrupt is a temporary situation and can be managed using a interrupt handler.Hardware are usually of two type - hardware interrupts and software interrupts.
