Answer:
Nuclear codes allow the president to prove the individual is authorized to order the launch.
Explanation:
Hope this helps!
If not, I am sorry.
Answer:
A(n) videoconference allows people at two or more locations to interact via two-way video and audio transmissions simultaneously as well as share documents, data, computer displays, and whiteboards.
Answer:
2
Explanation:
The second option is the only one that will work. The last would work but doesn't make the code any shorter.
Answer:
See Explanation
Explanation:
I'll assume the question is about the use of constants in QBasic because consonants do not have any special function or usage in QBasic.
In simple terms: In QBasic, constants are used to represent elements that do not change in value during program execution.
Take for instance, you intend to use
in your program.
Its value is 
So, 3.142 will always be a constant in your program. One of the ways it can be used in a program is:
10 LET PI = 3.142
<em>The above represents a numeric constant. QBasic also have string constants.</em>
Depends if it's not working the first time then u click it twice but normally you click it once