Tutorial4: Data Representation / Numbering Conversion / File Permissions

Data Representation / Numbering Conversion / File Permissions

Main Objectives of this Practice Tutorial

• Understand the importance of how computers store data (i.e. data representation)

• Understand the purpose of decimal, binary, octal and hexadecimal numbers

• Perform various numbering conversions between the decimal, binary, octal and hexadecimal numbering systems by hand without the use of a computer or calculator

• Identify which numbering system conversion method to use when required to perform a numbering conversion

• Understand directory and regular file permissions

• Learn how to set directory and regular file permissions with the chmod command (symbolic and octal methods)

• Learn how to use the umask command to have permissions for directories and files automatically set upon their creation
  
  

Tutorial Reference Material

Course Notes	Numbering Conversion / File Permissions Reference		YouTube Videos
Course Notes: PDF | PPTX	Data Representation Definition Decimal, Binary, Octal, Hexadecimal Numbers Numbering Conversion Binary to Decimal / Decimal to Binary Binary to Octal / Octal to Binary Binary to Hexadecimal / Hexadecimal to Binary Octal to Hexadecimal / Hexadecimal to Octal	File Permissions chmod umask	Instructional Videos: x x x x

Data Representation

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Numbering Conversion

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File Permissions

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INVESTIGATION 1: NUMBERING CONVERSIONS

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INVESTIGATION 2: FILE PERMISSIONS

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