BTM 200 Chapter Notes - Chapter 4: Graphical User Interface, Network Operating System, Interrupt Handler

• School: Concordia University
• Department: Business Technology Management
• Course: BTM 200
• Professor: Staff

Document Summary

Performs housekeeping functions such as backup, security, diagnostics, recovery. Machinery that performs a repetitive series of specific tasks in an exact amount of time. Enable many users to access the computer at one time efficiemtly. Network operating system is installed on the server and manages all user requests, ensuring that they do not interfere with each other. Mostly on mainframes (handle request from 100-10k user simultaneously) Command driven (user must type specific commands) Menu driven (user chooses a command from menu on screen) Graphical user interface (displays graphics, uses mouse) Controls timing of processor reated events, eg -multitasking. I nstructions and data are stored on the hard drive when ram is full. Software must contain code that cpu recognizes (application programming interfaces) If that fails, uninstall neew software - it might be the cause. Os provides organizational structure for computer"s contents. Identifies family of files the file belongs to. Take out redundancies to reduce file size.