Ex6. Then, and after seeing the PowerPoint about the operating systems, if you are having a conversation with a friend and he or she asks you:
"I havejust bought a computer and I have paid 60€ for the installation of an operating system and I can not understand why I need this program on my computer if I only work with Word and Excel."
An operating system is the most important software on your computer because it manages your hardware, it access to memory and access to the CPU.
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