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HSC Board Maharashtra

Computer Science paper - II (Bifocal)

Chapter 1 :
Introduction to Microprocessor and organization of 8085

Topics
8085 flags OR Flag register OR Status register OR PSW

Explanation of all flags
8085 has five flags.
S : Sign flag
Z : Zero flag
AC : Auxiliary carry
P : Parity flag
CY : Carry flag

QUE. Flag register (status register) contains 45 H, then interprets its meaning.
(Given value can be change in exam)

-------------------------------------------------------------------------------------------------------------------------
Part 1 : Chapter - 1 | Microprocessor 8085 | Evolution of Microprocessor
   • 12th Comp. Sci. Paper - II : Chapter - 1 |...  

Part 2 : Chapter - 1 | Microprocessor 8085 | Generation of Microprocessor
   • 12th Comp. Sci. Paper - II : Chapter - 1 |...  

Part 3 : Chapter - 1 | Microprocessor 8085 | What is microprocessor ? | Block diagram of Microcomputer
   • 12th Comp.Sci. Paper-II : Chapter-1 | Micr...  

Part 4 : Chapter - 1 | Microprocessor 8085 | Primary function of the CPU or Microprocessor
   • 12th Comp. Sci. Paper - II : Chapter - 1 |...  

Part 5 : Chapter - 1 | Block diagram of ALU
   • 12th Comp. Sci. Paper - II : Chapter - 1 |...  

Part 6 :Chapter - 1 | Block diagram generic Microprocessor
   • 12th Comp. Sci. Paper - II : Chapter - 1 |...  

Part 7 : Chapter - 1 | Generic Microprocessor : Address, data bus, HL, Instruction reg.
   • 12th Comp.Sci.Paper-II : Chapter-1 | Gener...  

Part 8 : Chapter - 1 | Generic Microprocessor : ALU, Program Counter, Stack Pointer, Timing & control
   • 12th Comp.Sci.Paper-II : Chapter - 1 | Gen...  

Part 9: Chapter - 1 | Generic Microprocessor : Control input output signals
   • 12th Comp. Sci. Paper - II : Chapter - 1 |...  

Part 10 : Chapter - 1 | Features of 8085 microprocessor
   • 12th Comp. Sci. Paper - II : Chapter - 1 |...  

Part 11 : Chapter - 1 | Pinout diagram of 8085 microprocessor
   • 12th Comp. Sci. Paper - II : Chapter - 1 |...  

Part 12 : Chapter - 1 | 8085 microprocessor | Address Bus | Address/Data Bus
   • 12th Comp. Sci. Paper - II : Chapter - 1 |...  

Part 13 : Chapter - 1 | 8085 microprocessor | Control and status signals
   • 12th Comp. Sci. Paper - II : Chapter - 1 |...  

Part 14 : Chapter - 1 | 8085 microprocessor | Power Supply | Clock Frequency | Serial ports
   • 12th Comp.Sci.Paper-II :Chapter-1 | 8085 m...  

Part 15 : Chapter - 1 | 8085 microprocessor | Interrupt signals | INTR | RST | TRAP
   • 12th Comp. Sci. Paper - II : Chapter - 1 |...  

Part 16 : Chapter - 1 | 8085 microprocessor | READY | HOLD |RESET
   • 12th Comp. Sci. Paper - II : Chapter - 1 |...  

Part 17 : Chapter - 1 | 8085 microprocessor | Functional Block Diagram of 8085 |Register Array
   • 12th Comp. Sci. Paper - II : Chapter - 1 |...  

Part 18 : Chapter - 1 | 8085 microprocessor | 8085 flags | Flag register | Status register
   • 12th Comp. Sci. Paper - II : Chapter - 1 |...  

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