I believe it is That product is sustainable.
1.mouse input
2.keyboard input
3.monitor output
4.speakers output
5.printer output , and input if has scanner
5.microphone input
Alt + F7 will launch spell checker
Answer:
only D.
Explanation:
A is false because you can only declare it once, then call it multiple times.
B is false does not affect the number of commands. You can expect that the function commands are run multiple times.
C is false because the amount of work the program has to do does not change.
D is spot on.
