Answer:
True is the correct answer for the above questions.
Explanation:
- A data dictionary is used to hold the structure and definition of the database. It is because it is used to hold information about the database or operational database.
- It is a set of schema through which the user can understand the structure of the database. It can be used to define the metadata also. The metadata detailed the data of a database.
- The above question-statement also wants to states about the same which is described above which is the definition of the data dictionary. Hence it is a true statement.
Answer:
I'm already in high school but at first, I was scared for my life literally. It wasn't what I expected it to be, though. Everyone was super nice to me and has been ever since I started. Turns out, high school is amazing.
Explanation:
The answer is B. A only. The optimum valve timing is found through experimentation using an engine dynamometer. The timing of the opening and closing of the valves is called valve timing. So the use of dynamometer measures the power output of a machine that is why it can measure the optimum valve timing.
#let the user input data
Hours = int(input(“enter how many hours were worked”))
Pay_rate = float(input(“Enter the pay rate”))
Pay_amount = Pay_rate * Hours
#calculate the wages
Print (Pay_amount)
#print the final answer
Answer:
C. org
Explanation:
org is an open domain so anyone is allowed to register a .org domain
