Difference between revisions of "Tutorial4: Data Representation / Numbering Conversion / File Permissions"

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(Main Objectives of this Practice Tutorial)
(Main Objectives of this Practice Tutorial)
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:* Understand the purpose of '''decimal''', '''binary''', '''octal''' and '''hexadecimal''' numbers
 
:* 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
+
:* Perform various '''numbering conversions''' between the '''decimal''', '''binary''', '''octal''' and '''hexadecimal''' numbering systems<br>by hand <u>without</u> the use of a computer or calculator
  
 
:* Identify '''which numbering system conversion method to use''' when required to perform a numbering conversion
 
:* Identify '''which numbering system conversion method to use''' when required to perform a numbering conversion

Revision as of 14:02, 17 January 2020

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:


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

x




Numbering Conversion

x



File Permissions

x





INVESTIGATION 1: NUMBERING CONVERSIONS

x.

INVESTIGATION 2: FILE PERMISSIONS

x.