Answer:A)Smart-card PINs
Explanation: A pin is the defines as the personal identification number that is allotted to the smart card uniquely that is no other smart can have same number.This number is only known by the smart card holder only.
This number is important because it works for the unlocking of the data that is securely stored and by entering the pin ,it can be decoded.Thus, the other given options are incorrect because they don't use enumeration to hide the data .Thus the correct option is option (A)
Answer:
The answer is "option d".
Explanation:
UML stands for Unified Modeling Language. It is an OOPs based language that is used to design a graphic by software developers. This language can also be used to build diagrams and provide some tools to ready-to-use, interactive templates for users and other options are not correct that can be described as:
- In option a, The Top-down approach is not followed by UML.
- In option b, UML uses an object-oriented programming language that follows a bottom-up approach. It refers to a style of programming.
- In option c, It does not use structured programming because it uses procedural languages.
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:
Codes
Explanation:
learn the codes first. when you're already expert, you'll find ways from there.