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2 years ago

Pick the simplest line of code to test if the word "BASIC" is stored in the variable text1.

Computers and Technology

1 answer:

mihalych1998 [28]2 years ago

4 0

The simplest line of code to test if the word "BASIC" is stored in the variable text1 is :

if ( text1 == "BASIC" ):

Explanation:

The simplest if-statement has two parts, a boolean "test" within parentheses ( ) followed by "body" block of statements within curly braces { }.
The test can be any expression that evaluates to a boolean value true or false. The if-statement evaluates the test and then runs the body code only if the test is true.
You should use the equals() method of the String class to compare Strings.
== will do an object comparison between the strings in this situation, and although the value may be the same of the String objects, the objects are not the same.
Equals: a == b. The double equals sign =. A single symbol a = b would mean an assignment

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Troyanec [42]

Answer:

Both Technicians are correct.

Explanation:

Remember that Ohm's Law its a relationship between Voltage (E), Current (I) and Resistance (R) in an electrical circuit. This relationship is defined by the following equation:

$E=I*R$

Each one of the letters could be called a variable. Now, also remember that the number of equations you have is equal to the number of variables unknown you could have.

In Ohm's Law you have 3 variables (E,I,R) and 1 equation. It means that you need to know 2 variables (Whatever 2 variables) to know the third.

Technician A says, in other words, that could calculate the Circuit current flow (I) knowing total circuit resistance (R) and total voltage (E). Note that Technician A knows 2 to 3 variables, then it's possible to use Ohm's Law with the following equation:

$I=\frac{E}{R}$

Technician B says, in other words, that could determine the unknown resistance (R) knowing total current (I) and source voltage (E). Once again, note that Technician B knows 2 to 3 variables, then it's possible to use Ohm's Law with the following equation:

$R=\frac{E}{I}$

It is concluded that both technicians are right.

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2 years ago

The function of anOR gate can best be described as a gate which provides an output of 1 only when

amid [387]

Answer:

Following are the program to this question:

#include <iostream>//defining header file

using namespace std;

void OR_gate()//defining a method OR_gate

{

bool a,b;//defining bool vaiable

cin>>a>>b;//input value

if(a or b)//use if block to check condition

{

cout<<"1";//print message

}

int main()//defining main method

{

OR_gate();//calling method OR_gate

return 0;

}

Output:

Explanation:

In the above program, a method "OR_gate" is declared, and inside the method two bool variable "a and b" is defined, which input the value from the user end.

In the next step, an if block is defined, that uses the or gate to check input value and print the value that is equal to 1, and inside the main method, it call the "OR_gate" method.

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