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kykrilka [37]
4 years ago
9

Explain the term DNS(Domain Name System) and why it is used.

Computers and Technology
1 answer:
joja [24]4 years ago
8 0
Here is the definition and why it is used: It controls your domain name's website and email settings. When visitors go to your domain name, its DNS<span> settings control which company's server it reaches out to. For example, if you use GoDaddy's </span>DNS<span> settings, visitors will reach GoDaddy's servers when using your domain name.

Hope this helped!! :)

</span>
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Write steps of the following operations.<br>a. applying borders and spacing<br>b. create a folder​
slava [35]

Answer:

b

Explanation:

first right click on an empty space

click on new from the pop up menu

finally click on new folder

7 0
3 years ago
The /home/gshant/smp directory contains several files. The directory and files need to be removed. The current working directory
kherson [118]

Explanation:

Whenever a user types in a command at the command line that is not built into the shell or that does not include its absolute path and then presses the Enter key, the shell searches through those directories, which constitute the user's search path, until it finds an executable file with that name.

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3 years ago
What is the purpose of interrupts? What is a trap? Can traps be generated intentionally by a user program? If so, for what purpo
SpyIntel [72]

Answer:

Interrupt (INT) helps operating system to stop work on one process and start work on other process using interrupt signals.

Explanation:

Purpose of interrupts:

• Interrupts are useful when an I/O device needs to be serviced only occasionally at low data transfer rate.

• For example, when a peripheral requires the attention of the processor to perform an I/ O operation.

A trap:

• also known as an exception or a fault, is typically a type of synchronous interrupt caused by an exceptional condition

• is a software-generated interrupt.

• For example it's caused by division by zero or invalid memory access.

Can traps be generated intentionally by a user program?  Yes.

If so, for what purpose?  

• the usual way to invoke a kernel routine (a system call) because those run with a higher priority than user code.  

• Handling is synchronous, so the user code is suspended and continues afterwards.

• In a sense they are active - most of the time, the code expects the trap.

3 0
4 years ago
Who want followers on Instagram... gotta follow back
Alexxx [7]

Explanation:

I dont have Instagram....

6 0
3 years ago
Read 2 more answers
I have no idea what I’m doing but this is for a class grade and also on Replit<br><br> Please Help!!
Tatiana [17]

Answer:

I've compiled some code below to help you out ;)

Explanation:

# Program make a simple calculator

# This function adds two numbers

def add(x, y):

   return x + y

# This function subtracts two numbers

def subtract(x, y):

   return x - y

# This function multiplies two numbers

def multiply(x, y):

   return x * y

# This function divides two numbers

def divide(x, y):

   return x / y

print("Select operation.")

print("1.Add")

print("2.Subtract")

print("3.Multiply")

print("4.Divide")

while True:

   # take input from the user

   choice = input("Enter choice(1/2/3/4): ")

   # check if choice is one of the four options

   if choice in ('1', '2', '3', '4'):

       num1 = float(input("Enter first number: "))

       num2 = float(input("Enter second number: "))

       if choice == '1':

           print(num1, "+", num2, "=", add(num1, num2))

       elif choice == '2':

           print(num1, "-", num2, "=", subtract(num1, num2))

       elif choice == '3':

           print(num1, "*", num2, "=", multiply(num1, num2))

       elif choice == '4':

           print(num1, "/", num2, "=", divide(num1, num2))

       

       # check if user wants another calculation

       # break the while loop if answer is no

       next_calculation = input("Let's do next calculation? (yes/no): ")

       if next_calculation == "no":

         break

   

   else:

       print("Invalid Input")

I got it from this link, https://www.programiz.com/python-programming/examples/calculator

3 0
2 years ago
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