mct260-operating systems i operating systems i interfaces to operating systems
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2MCT260-Operating Systems I
Primary Learning Objective
Understand and Utilize Operating System Interfaces
3MCT260-Operating Systems I
Specific Learning Objectives• Use the Microsoft Windows operating system
graphical user interface (GUI)
• Understand the differences between the Windows XP and the Windows Classis interface
• Recognize and manipulate the components of windows, menus and dialog boxes
• Tile and cascade windows
• Demonstrate capturing objects from a window and paste them into a document
4MCT260-Operating Systems I
Specific Learning Objectives
• Use the command line interface (CLI)
• Understand the purpose of the command prompt and command line
• Open and close a command prompt window
• Recognize the elements of the command prompt window
• Use the command history (DOSKEY)
• Demonstrate capturing text from a command prompt window and paste it into a document
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The means by which humans and computers communicate is referred to as the user interface.
What is the User Interface?
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• Software controls the user interface and defines its characteristics
• Hardware controls the way you physically manipulate the computer to establish communication
The user interface is a combination of hardware and software.
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• Accepts input and displays output
• Indicates results of processing
• Confirms task completion
• Uses both hardware and software
The user interface ...
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• Use graphical objects, menus, and prompts
• Are easier to learn and use than other interfaces
• Are based on a metaphor — computer components are represented by real-world objects
Graphical user interfaces (GUIs) ...
Graphical Objects
9MCT260-Operating Systems I
• Are small pictures you manipulate with pointing devices
• Represent a task, command, or real object
• Are used in place of command words or menu options
• Include icons, buttons, tools, and windows
Graphical objects...
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Direct manipulation of screen objects
Graphical Objects
Use the mouse to drag the Sports Statistics document to the Recycle Bin.
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Graphical Objects
Window — work area on the screen that contains a specific piece of work.
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Icon — small picture that represents an object that you manipulate with a pointing device.
Button — helps you make a selection or activate a task; sometimes referred to as tools.
Graphical Objects
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Graphical User Interface
• Desktop (Classic vs XP)
• Start Menu (Classic vs XP)
• Program Windows
• Using Menus and Toolbars
• Dialog boxes
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Dialog box controls...
• Round option buttons allow you to select only one option
• Square check boxes allow you to select more than one option
Menus and Dialog Boxes
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• Drop-down lists display a list of options when you select the arrow button
• Spin boxes let you increase or decrease a number by clicking the arrow buttons or typing a number in the box
Dialog box controls...
Menus and Dialog Boxes
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• Typing in commands at screen prompts
• Pressing the Enter key after each command
• Memorizing command words, parameters, and switches
• Using the proper syntax
Command-line user interfaces require...
Commands
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Syntax — specifies the sequence and punctuation for command words, parameters, and switches.
Commands
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• DIR
• DEL
• CLS
• COPY
• /?
Command — an instruction you input to tell the computer to carry out a task.
Examples:
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Capturing a Window
• You can capture a window to the clipboard and paste it into a document
• You can then resize, edit, and print the document that contains your original window
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How to Capture
• Entire Desktop with all open windows– Press Print Screen Key on the keyboard
• This key has various labels depending on the keyboard manufacturer
• Highlighted window only– Simultaneously press the ALT key and Print
Screen Key
• Open a document and paste!
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Capture Text in a DOS Window
• You can capture the entire window but sometimes you may just want to capture (copy) the text that is inside the window
• Make sure all text that is desired is visible inside the DOS window
• Use the Edit/Mark selection from the program icon menu to mark the text to be captured and then press the Enter key
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Homework Assignment
• Reading– Windows XP Textbook – Chap 1– CLI Textbook - pp. 24-26, 34, 39-42, 52-64– Handout
• Lab Exercise– Online Help– Operating System Interfaces
• Homework 2 Basics of Windows XP• Due Date: Next Tuesday