Answer: They organize, install, and support an organization's computer systems, including local area networks (LANs), wide area networks (WANs), network segments, intranets, and other data communication systems.
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Answer:
The most popular and widely used spread sheet program, developed by Microsoft Corporation of USA is called Microsoft Excel.
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i think cpu needs to have backup chache units in case of electrical failure
A macro is a series of commands and instructions that you group together as a single command to accomplish a task automatically.