No, it is not necessary that variables that contain numbers should always be declared as integer or floating-point data types.
It is not necessary that variables that contain numbers should be declared as integer and floating point data types. Because number can be declared with different data types. As we know that data type is a vital aspect in programming. It describes the type of a value that is contained in a variable. It is the data type based on which memory is allocated to a number or any type of variables.
Numbers can be whole decimal/fractional, signed, unsigned, small, and long. Simply, they exist in a variety of values. According to their values range, the amount of memory is reserved.
Different programming languages offer different data types to store numbers, depending on their types and size. Let’s consider some examples of data types used in programming languages in order to declare variables holding numbers.
- In Python int, float, and complex are the data types used to declare number type variables.
- SQL uses INTEGER, SMALLINT , BIGINT , NUMERIC() , and DECIMAL() data types for numbers.
- To deal with number type variables, Java has six predefined data types, such as int, long, short, byte, float, and double.
- JavaScript uses a single data type called 'number' to declare numbers.
- In C++, two fundamental data types, int and float, are used to represent numeric variables. But C++ is not only limited to these two data types. The data type char can also store numbers. Other data types for declaring numbers as variables are derived from int, float and char, such as short int, long int, signed int, unsigned int, double, long double, signed char, unsigned char etc. etc.
So in concluding remarks, declaring a number type variable is not only limited to using integers and floating-points data types. Rather it entirely depends on the respective programming language, and size and type of the number to be stored in the variable.
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Answer:
The rules which could trigger at any period in time are referred to as the conflict set. A programming bug/conflict can occur when two programs compete for the same resource such as memory or register etc.
A Conflict Resolution Strategy is is a protocol which highlights which decision will be triggered first.
The best way to resolve conflict is to first determine the kind of conflict it is. Hardware conflicts can be resolved by first troubleshooting the hardware and in some instances unplugging the hardware causing the conflict.
When hardware creates conflicts it may be due to a driver issue. reverting to an old driver or updating the existing one may solve the problem.
Software conflicts can be resolved by installing updates or complete uninstallation.
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Answer:
user_name = input("input user name: ")
print(len(user_name))
Explanation:
input - input function in python
len - length of value
print - print data
Describing methods for
connecting private (internal) IP addresses to the internet using NAT was
defined in RFC 3022. NAT has servers that use port forwarding to send
connections from external clients to the Web server on the internal network. NAT is used on routers to hide
internet IP address from the internet.
