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2 years ago

13

In order to protect your computer from the newest viruses, which of the following should you do after you’ve installed virus sca

n software?

Computers and Technology

1 answer:

GuDViN [60]2 years ago

3 0

Scan it then check it

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Lukas entered the date 9-17-2013 in an Excel workbook. He wants the date to appears as “Tuesday, September 17, 2013.” Instead of

Sphinxa [80]

<span>The answer is highlight cells, select the Insert tab, click on the number, select Date from the category box, highlight the correct format, and click OK.</span>

8 0

2 years ago

Which of the following statements is true? A. Interpreted programs run faster than compiled programs. B. Compilers translate hig

alina1380 [7]

Answer:

B.

Explanation:

Computer programs are written in high level languages. Every language has its own set of syntax and semantics.

Computer only understands instructions in machine language which is written using strings of 0 and 1.

Thus, for execution of a high level language program, it is mandatory to convert high level instructions into machine instructions.

This translation into machine language is done in two ways – compilation or interpretation.

Some languages are compiled while others are interpreted.

Both compilers and interpreters are programs and process the high level language program as needed.

Compiler

Any program written in high level language is compiled.

The program is first analyzed before compilation. This process takes time. The analysis phase is called pre processing.

The program compilation stops only when the program is completely analyzed. Hence, it is difficult to locate the error in the program. This makes debugging easy.

Debugging is defined as removal of errors in the programs.

A compiler is responsible for converting high level language code into machine level code.

The complete program undergoes compilation at the same time.

A compiled program executes faster than an interpreted program.

A compiled program produce machine code which is a collection of 0 and 1, hence, it takes less time to execute.

Examples of compiled languages are C and C++.

Interpreter

Some high level languages are interpreted.

The high level language code is translated into an intermediate level code. This intermediate code is then executed.

The analysis of the program takes less time and takes place before interpretation begins. The analysis phase is called pre processing.

An interpreted program is translated one line at a time.

The program interpretation stops when an error is encountered. This makes debugging easy.

Debugging is defined as removal of errors in the programs.

Examples of interpreted languages include Python and Ruby.

6 0

2 years ago

Read 2 more answers

To adjust the height of cells, position the pointer over one of the dividing lines between cells. When the pointer changes to th

Sergio [31]

Answer:

double arrow shape

Explanation:

To adjust the height of the cells

1. We have to position the mouse pointer over one of the column line or the one of the row line.

2. As we place the pointer between the dividing lines, the cursor of the mouse pointer change from singe bold arrow to double arrow symbol.

3.Now press or click the left mouse button and drag the dividing lines of the cells to the desired position to have the required width or height of the cell.

5 0

2 years ago

Define a function ComputeGasVolume that returns the volume of a gas given parameters pressure, temperature, and moles. Use the g

lara [203]

Answer:

double ComputeGasVolume(double pressure, double temperature, double moles){

double volume = moles*GAS_CONST*temperature/pressure;

return volume;

}

Explanation:

You may insert this function just before your main function.

Create a function called ComputeGasVolume that takes three parameters, pressure, temperature, and moles

Using the given formula, PV = nRT, calculate the volume (V = nRT/P), and return it.

6 0

2 years ago

Write a method called fact that recursively calculates the factorial value of its single int parameter. The value returned by fa

andrey2020 [161]

Answer:

The program to this question can be given as follows:

Program:

//class

public class factorial //defining class

{

//method fact

public static long fact(int x1) //defining method fact

{

//conditional statement

if (x1 <= 1) //if block checks parameter value less then equal to 1

{

return 1; //return value

}

else //else part

{

return (fact(x1 - 1) * (long) x1); //return factors using recursive function

}

}

//method main

public static void main(String[] args) //defining main method

{

long data=fact(5);//defining variable that holds function value

System.out.println("Factorial is: "+data); //print value

}

}

Output:

Factorial is: 120

Explanation:

In the above java program, a class is "factorial" is defined, inside the class, a static method "fact" is declared, that accepts an integer parameter that is "x1" and returns a long value, inside this method a conditional statement is used.

If the block it checks parameter value is less then equal to 1, if this condition is true, it will return 1 when this condition is not true. It will go in else part.

In else part, it uses a recursive function to calculate factorial of a number and return its value.
Then the main method is defined, inside this method a long variable "data" is defined, that call and holds fact function return value, and in the next line, the print function is used to print the data variable value.

6 0

2 years ago