Class Notes (836,658)
United States (324,655)
IST 195 (86)
Rubin (22)
Lecture

Operating Systems

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Department
Information Studies
Course
IST 195
Professor
Rubin
Semester
Fall

Description
-Popular OS -Microsoft: Bill Gates -Unix/AT&T: Ken Thompson -Also invented C programming lang. -Apple: Steve Jobs -Linux: Linus Torvalds -What is an OS? -Manage hardware & software resources -Intermediary btwn 2 -Kernal = central component of OS -Manages memory -Order processes are executed -How info is received & sent to devices (like keyboard) -GUI = Graphical User Interface -Sleep mode -Saves any open docs to RAM -Turns off all unneeded functions -Puts computer in low-power mode -Hibernate mode -Saves any open docs/programs to hard disk -Removes power from computer -Types of OS -Multi-user -Server OS -Manages multiple users -Varying levels of security -Single-user -Stand-alone OS -Complete OS that w
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