Sound Card

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Sound Card

• Allows the PC to output sound
• PCI card
• Integrated sound

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Sound Card
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Common sound file types
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Information and Communication Systems

• Unit 2 - Software

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Why Software is needed
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APPLICATIONSSOFTWARE
SYSTEMSOFTWARE
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Software Categories
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Utility Software
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The First PC!

• No software!

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Operating System

• Definition
• Examples

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Functions of the Operating System(Providing the
User Interface)

• Text based interface (DOS)

• Problems with text based interfaces

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Graphical User Interface (GUI)

• Advantages

• WIMP

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Functions of the Operating System(Error
Reporting)

• Communicating with peripherals
• Please insert a disk in drive a
• Missing NTLDR
• Development of error messages
• Graphical error messages

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Functions of the Operating System(Program and
Data Management)

• O.S. as a librarian
• Indexing system
• FAT and NTFS

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Functions of the Operating System(Communicating
with Peripherals)

• What is a peripheral?
• Device drivers

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Functions of the Operating System(Memory
Management)

• Bootstrap
• Kernel
• Applications
• User Files

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Memory Management
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Software included with Windows
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Popular Application Software Suites
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Software Piracy