31268 Chapter Notes -System Administrator, User Friendly, Command-Line Interface

10 views4 pages
30 Dec 2022
School
Course
Professor

Document Summary

An os is a piece of software that sits between all programs and the computer"s hardware. An operating system: manages your computer, runs programs. Interface between user and hardware: provides services to programs and users, protects users and programs from each other . Large systems: mainframes pioneered os since 1960s, handle 1000s of users simultaneously, supercomputers run linux. Minicomputers: unix and unix-like os eg. Personal computers: linux, microsoft windows, mac osx. Device drivers: provides resources and services to applications eg. Cpu, memory: manages access to privileged resources. Top layers (userland: application programs to do something for the user, services programs that run behind the scenes , provide system support. Graphical user interface (gui) interact via windows, icons, menu, pointer (wimp) eg. Cognitive scientists analyse how people think and react to certain stimuli. Command line interface (cli) interact through keyboard and a monitor printing only text eg. Little/no experience required: good for graphics eg.

Get access

Grade+
$40 USD/m
Billed monthly
Grade+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
10 Verified Answers
Class+
$30 USD/m
Billed monthly
Class+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
7 Verified Answers

Related Documents

Related Questions