class agenda – 01/30/2013 1 present computer data organization explore files, folders, and...

Class Agenda – 01/30/2013

1

Present computer data organizationExplore files, folders, and libraries in

Windows 7Explain logistics of course including

course file placement

Computer Data Organization

Conceptual Physical

2

I want to buy music on iTunes (run a program on your computer)

iTunes must access your account (Apple’s computers)

Primary Storage/Main Memory

Processor

ALU

Secondary Storage/Disk

Data and Programs

Computer Data Organization Vocabulary

3Bits

Bytes

Program Files Data Files

Database

Fields

Records

Windows Library: View

Folders

Organizing Files and Folders

4

A file is a collection of bytes that has a name and is stored in a computer

A file can store a “program” or “data”Organize files by storing them in foldersDisks contain folders that hold files

USB drivesCompact discs (CDs)Digital video discs (DVDs)Hard disks

Each drive is assigned a letter

Understanding the Need for Organizing Files

5

Windows (and all other operating systems) organizes folders and files in an hierarchy, or file system

Windows stores the folders and important files it needs to turn on the computer in its root directory

Folders stored within other folders are called subfolders

Understanding the Need for Organizing Files and Folders

6

Developing Strategies for Organizing Files

7

Developing Strategies for Organizing Files

8

Type of disk you use to store files determines how you organize those files

Storing files on removable media allows you to use simpler organization

The larger the medium, the more levels of folders you should use

You should have a “backup”, or duplicate copy, of all filesDefinitely all data filesAll program files that you don’t have available

in other forms (downloads, other media)

Exploring Files, Folders, and Libraries

9

Windows Explorer and the Computer window show the drives, folders, and files on your computerEach has a slightly different view

A folder window displays the files and subfolders in a folderDivided into two sections, called panes

Exploring Files, Folders, and Libraries

10

Using Libraries and Folders

11

When you open Windows Explorer, it shows the contents of the Windows built-in libraries by default

Libraries display similar types of files together, no matter where they are stored

Files in a Folder Window

12

Navigating to Your Data Files

13

The file path is a notation that indicates a file’s location on your computerG:\FM\Tutorial\Map.pngG: is the drive nameFM is the top-level folder on drive GTutorial is a subfolder in the FM folderMap.png is the full filename with the file

extension

Navigating to Your Data Files

14

Managing Folders and Files

15

Creating a folderIn the Navigation pane, click the drive or

folder in which you want to create a folderClick New folder on the toolbarType a name for the folder, and then press

the Enter key

Working with Folders and Files

16

Moving and Copying Files and FoldersMoving a file removes it from its current location and places it in

a new location you specifyCopying places the file in both locations

Naming and Renaming FilesFilenames provide important information about the file, including

its contents and purposeMain part of the filenameFile extension

A filename extension identifies file type and indicates program in which file was created

Deleting Files and FoldersRecycle Bin is an area on your hard disk that holds deleted files

until you remove them permanentlyFiles removed from a network drive do not go to the Recycle Bin!

Working with Compressed Files

17

Files stored in a compressed (zipped) folder take up less disk spaceAllows you to transfer files more quickly

Extracting a file creates an uncompressed copy of the file in a folder you specify, while the original file remains in the compressed folder

Compression programsWinZip7-Zip