The following cools the air in a household refrigerator: Absorption of the heat from the air due to evaporation of the liquid refrigerant . Correct answer:B
The function of the refrigerator is to absorb heat into the refrigeration system. The evaporator is placed in the area to be cooled. The refrigerant vaporizes from the heat it absorbs heat in the evaporator.
Answer:
False.
Explanation:
If the institute in which you are enrolled have blackboard account for you then you are given a login ID and password which can be used to login onto the website.
But after logging in you are required to enter a separate password given by the instructor to begin the test.So we conclude that the answer to this question is False.
Answer:
Physical / Data link layer
Explanation:
If two computers (A & B) are directly connected through Ethernet cable. A is sending data to B, the data would be transmitted if the network is clear but if the network is not clear, the transmission would wait until the network is clear.
The Open Systems Interconnection model (OSI model) has seven layers each with its own function.
The physical layer is the first layer responsible for data transmission over a physical link. The data packets are converted to signals over a transmission media like ethernet cable.
The data link layer is the second layer in the OSI layer responsible for transmission of data packets between nodes in a network. It also provides a way of detecting errors and correcting this errors produced as a result of data transmission.
Answer & Explanation #1
To answer your first query. You can write a function that takes two arguments and returns their sum like this:
#Python program to add two numbers using a function
def add_num(a,b): #function for addition
sum=a+b
return sum #return value
num1=25 #variable declaration
num2=55
print("The sum is",add_num(num1,num2)) #call the function
Answer & Explanation #2
As for your error, I believe it is an indent error in your first return statement. All you must do is indent the return statement.
Hi There!
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Hope This Helps!
