Answer:
Because you have a certain amount of money you’ll be able to spend for a certain period and helps you not go over your budget. In other words, it helps you keep track of your money so that you don’t waste more money than you are supposed to.
Explanation:
Answer:
Option A (Radio Frequency Identification)
Explanation:
Option A (Radio Frequency Identification)
Radio Frequency Identification:
This technology uses radio waves to transfer data between a reader and movable items. The benefit of this technology is we do not require physical contact with items and scanner.
Components of RFID:
- tags (computer chip)
- Reader
- Communication System
- RFID software
There are two RFID standards:
- Electronic Product Code (EPC) standard
- International Standard Organization (ISO)
Answer:
<exception> header provides functions for exception handling in c++.
Explanation:
Exceptions gives a way to respond to exceptional conditions (like runtime errors) in codes by transferring the control to other special functions called handlers.
Since try,catch and throw can work in the iostream header file.To use more functions like unexpected,current_exception,rethrow_exception we need exception header file.
Answer:
a. When you perform arithmetic operations with operands of unlike types, you must make an explicit conversion to a unifying type.
Explanation:
The above written statement is false because when we perform arithmetic operations with operands of unlike types we don't need to an explicit conversion because the compiler does that.The compiler automatically applies the suitable conversion conversion of data types resulting in reduction in our work.