The correct answer is “C. The credit card number that you use to make an online purchase”
Answer: Reusing software device has some economical challenges such as:
- Investment cost in reusing the device is considered as the extra cost.It might require some extra components for the working to become usable
- Requires skilled person who can develop and design the software to be used again.The creating and designing of new software design is comparatively easy but making the system reusable requires someone who has more designing skill who will be highly paid for the work
- Cost of writing and reading of the software can also be considered as the economical challenge as the reused system created is to be studied by some other organization members or sources not familiar with the functioning. .
Answer:
Following is the program in the python language
st = 'sAN RaN' #String
print(st.lower()) #display into the lowercase
Output:
san ran
Explanation:
Following are the description of program
- Declared and initialized the string in the "st" variable .
- The lower function in python is used for converting the uppercase string into the lower case string .
- Finally in the print function we used lower function and display the string into the lower case
Answer:
A. SmartArt
Explanation:
SmartArt is a graphical tool used to visually communicate information.
Answer:
a) We know that atleast one or more author writes a book.
Symbol to indicate one or more is (B)
So the correct option is B
b) We know that zero to multiple books are written by any author.
Symbol to indicate zero or more is (A)
So the correct option is A
c) The fourth option is correct if we replace by many to many relationship and generate a new entity.
So the relationship betweem author and contract is one to many. So we know that there is atleast one author that represent in symbol d and books has atleast 0 that represent in symbol c.
So Fourth Option is correct d at blue side and c at red side.
d) There are two forirgn keys in table Contract one is from AuthorId and other is ISBN.
So correcct option is C
