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Sphinxa [80]
3 years ago
15

Consider the following program segment. ifstream inFile; //Line 1 int x, y; //Line 2 ... //Line 3 inFile >> x >> y;

//Line 4 Which of the following statements at Line 3 can be used to open the file progdata.dat and input data from this file into x and y at Line 4?
Computers and Technology
1 answer:
MrMuchimi3 years ago
6 0

Answer:

inFile.open("progdata.dat");

Explanation:

This command opens the file which is passed to it as an argument. We are quite used to the C++'s cin and cout functions contained in iostream library for reading and writing data, however, when working will real-life stuff, we find ourselves working with huge data saved as separate files and require our programs to read them, manipulate them and possibly write back to the files... The first operation usually carried out before a file can be read or written to is open

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After the following code runs, what will be the value of result? var x = 30; function get () { return x; } function set (value)
PilotLPTM [1.2K]

Answer:

Null

Explanation:

It entirely depends on the language you are using to implement this.

But generally by the rule of scope, "result" will return null since get() was not defined to accept any argument, and it neither know the global "x" not defined it's own x in the function.

5 0
3 years ago
Its Inventiveness, uncertainty and futuristic ideas typically deals with science technology, what is it?
Margarita [4]

Answer:

It disrupt the established social contract, in the same way that invasive species do in natural ecosystems.

Explanation:

8 0
3 years ago
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Analyze the following code. public class Test { public static void main(String[] args) { double radius; final double PI= 3.15169
sergiy2304 [10]

Answer:

The output of the given code as follows:

Output:

Area is: 12.60676

Explanation:

In the given code some information is missing so, the correct code to this question can be described as follows:

Program:

public class Test //defining class  

{

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

   {

       double radius= 2; //defining double variable radius

       final double PI= 3.15169; //defining double variable PI

       double area = radius * radius * PI; //defining double variable area that calculates values

       System.out.println("Area is: " + area); //print values

   }  

}

Explanation:

  • In the given java code a class "Test" is defined, in which a double variable "radius" is defined, which holds a value, that is 2.
  • In the next step, a double constant variable, that is PI is defined, that holds a value, that is "3.15169".
  • Then another double variable area is defined, that calculates the area value, and prints its value.
4 0
3 years ago
What should you do if a headset plugged into your computer is not working properly?
Alex777 [14]

If a headset plugged into computer is not working properly than one can go for updating the device driver. The correct option is B.

<h3>What is a device driver?</h3>

A device driver is a type of software application that allows one hardware device (such as a computer) to communicate with another hardware device (such as a printer). A device driver is indeed referred to as a software driver.

A driver, also known as a device driver, is a collection of files that instructs a piece of hardware on how to operate by communicating with a computer's operating system.

Every piece of hardware, from internal computer components like your graphics card to external peripherals like a printer, requires a driver.

If a headset plugged into a computer is not working properly, the device driver can be updated.

Thus, the correct option is B.

For more details regarding device driver, visit:

brainly.com/question/14054807

#SPJ12

8 0
11 months ago
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What is the transfer rate of DDR memory?
hoa [83]

DDR memory is 64-bit so that means that it is 64

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