WGU D386 :D386 Hardware and Operating Systems Essentials Exam Study Guide: Latest Updated A+ Score Solution

Operating Systems ○ COHORT Operating systems ○ Types of OSs ■ Single-user systems - personal computer, workstation, multi-tasking, found in laptops and desktops. ● Manages resources (CPU, memory, hard drive, peripherals) of a computer. ● Provides a GUI for the user to navigate. ● Examples: Windows, Mac, Linux (GNOME, KDE) ■ Mobile device systems- small hand-held devices like phones, tablets, e-readers ● Cameras, mobile phones, smartphones, and tablets contain non-magnetic storage media. ● Static magnetic fields near those devices cannot delete data. ● Android 70% market share, iOS 28% market share ■ Mainframe systems - large-scale platforms and enterprise environments ■ Network server systems: designed for specific purpose like database or web server. ● Uses a command line interface (CLI) of GUI to control applications and services. ● Thin client - computers that are connected to a networked server. The computer contains the minimum amount of hardware required for the user to interact with the system. The server does the "hard work," including booting, storing data, and performing calculations