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Author Question: Which of the following operating systems was the first commercial graphical-based operating system ... (Read 178 times)

asan beg

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on: Jul 7, 2018
Which of the following operating systems was the first commercial graphical-based operating system that made its debut in 1984?
 
  A) Mac OS
  B) Linux
  C) Windows
  D) Unix
  E) z/OS

Question 2

Which of the following is a multiuser, multitasking operating system that is available for a wide variety of computer platforms, and is commonly used because of its superior security?
 
  A) Android
  B) iOS
  C) Windows
  D) Unix
  E) z/OS


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perkiness

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Reply #1 on: Jul 7, 2018
Answer to Question 1

A

Answer to Question 2

D


asan beg

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  • Posts: 570
Reply 2 on: Jul 7, 2018
Excellent

apple

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Reply 3 on: Yesterday
Wow, this really help

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