Answer:
PSTN
Explanation:
The full form of PSTN is Public Switched Telephone Network. It is a traditional circuit-switched telephone network which is used by the several regional, local or national telephony operators. They came in used in 1800s. It is a form of communication among the people which works with the help of underground copper wires.
In the context, when I am travelling through the metropolitan as well as the rural areas of the North America, the PSTN provides the internet connectivity in all the places. It helps me to communicate with the other people with the help of a telephone.
Answer:
The answer is "Option d"
Explanation:
In this question, the easiest way that will save the payment on your database in such a process ID-sorting list would be to mark a payment, that's been recorded mostly on the database whenever this payment became used serial number is not transaction ID, and the wrong choice can be defined as follows:
- In choice a, It is wrong because it may be processed, however, payments aren't entered through our process, which does not help remove older.
- In choice b, the unordered list would not enable any transaction to only be retrieved, that's why it is wrong.
- In choice c, it will not be helpful because the includes video is either begin or complete the payment, it will not be helpful to hold it with transaction time.
- In choice e, this approach won't help to identify the payments since one date will have a lot of payments over a certain account.
D) both a and b
Microwaves are used to heat foods in ovens. We all know that. They are also used for data and information transfer. Microwaves are used in wifi, gps, and radio astronomy.
Answer:
The code requests for the scores of three students for three courses offered by each student.
It calculates and print the average score for each student
Explanation:
The code written in Python programming language uses a while to get student 1-3 and a for loop to get scores for course 1-3
See attached code and output