It is true because it is really a good practise to save a presentation before printing it
Answer:
c I have took this test hefore
Answer:
September 30, 1985
Explanation: Source: https://www.google.com/search?q=When+Microsoft+excel+helps+is+first+opened&oq=When+Microsoft+excel+helps+is+first+opened&aqs=chrome..69i57j69i61.129j0j7&sourceid=chrome&ie=UTF-8
You have to destroy the hard drive as it is like a memory for the computer so it can never be deleted