8. Explain strategies employed by the operating system to ensure safety of programs and data in a computer system.
mand line operating systems.
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How can a user open a blank presentation? 1.on the file menu, click new, and then click recent templates 2.on the file menu, click new, and then click blank presentation 3. on the view menu, click templates, and then click recent templates 4. on the view menu, click samples, and then click blank presentation

Under which key category do the page up and page down keys fall? page up and page down keys fall under the keys category.

Martha is a healer, a healthcare provider, and an experienced nurse. she wants to share her daily experiences, as well as her 12 years of work knowledge, with people who may be interested in health and healing. which mode of internet communication can martha use?