PPT ON SYSTEM PROGRAMMING

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System Programming Presentation Transcript:

1.What is System Programming?
Application Programming 
System Programming 

2.Three Layer Model

3.Means of Input Output
Programmed input output 
Interrupt driven 
Direct Memory Access 

4.Controllers
I/O control signals
Buffering
Error Correction and Detection

5.DMA Controller

6.Interrupt Controller
Handles the Priorities among hardware interrupt

7.    Programmable Peripheral          Interface(PPI) 

8.Interval Timer 

9.Universal Asynchronous Receiver and Transmitter 

10.File Management
Basics 
Disk Structure
Disk Formatting 
Sector and Clusters

11.Data Structure 
Fat12, Fat16, Fat32
Drive Parameter Block (DPB)
Directory Structure 

12.Accessing and Manipulating file and Directory Structure

13.Memory Management 
Real Mode 
Protected Mode

14.Real Mode
Memory Control Block (MCB)
Program segment prefix (PSP)

15.Transversal through processes memory 
Determining 
Allocated memory 
Free memory 

Source: Power Point Presentations