The answer is (a.) DOS
DOS stands for Disk Operating System. MS-DOS is the operating system which has a command interface similar to the command prompt of Windows 7 and Windows 8. Among the options, DOS is the only OS which is has a command line interface. Others have graphics.
<span>A return statement causes a value to be sent from a called method back to the calling method.
</span>When used in computer programming the return statement causes execution to leave the current subroutine and resume at the return address, where the term return address denotes the point <span>in the code immediately after where the subroutine was called.</span>
Answer:
creating vector:
code:
to20 <-c(1:20) #creating to20 vector
end <-c(40:50) #creating end vector
to50 <-c(to20,21:30,end) # creating to50 vector
print(to50) # printing to50 vector
Explanation:
We can assume that the acidity of the river has a pH value of at least 6 or greater. We know this because given that clams die if acidity is less than 6 and frogs die when acidity is less than 4, if they both survive, acidity must not be lower than 6 pH
Answer:
The main characteristic of web 2.0 applications is they have the ability to become better the more that people use it which means that the answer to this is letter A
