EC6464 Electronics and Microprocessors Important Questions

Unit 1

 Intrinsic and Extrinsic semiconductors

 P type and N type

 PN junction

 Zenor diode characteristics

 Half wave and full wave rectifiers

Unit 2

 Bipolar junction transistor

 CB, CE, CC configuration and characteristics

 Biasing circuits

 Configuration and characteristic of FET amplifier

 SCR, Diac,Triac

 UJT-Characteristics and simple applications

 Application in temperature and motor speed control

Unit 3

 AND, OR, NOT, NAND, NOR circuits

 Exclusive OR gate

 Flip flops

 Half and full adders

 Registers and Counters

Unit 4

 Block diagram of microcomputer

 Architecture of 8085

 Pin configuration

 Addressing modes

Unit 5

 Interfacing of Input and Output devices

 Applications of microprocessor

 Temperature control

 Stepper motor control

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