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Embedded Systems Interview Questions
Questions Answers Views Company eMail

8051 Was developed using which technology?

1238

Are all the bits of flag register used in 8051?

988

Explain the addresses which are bit addressable?

1177

Can port 0 be used as input output port?

1147

Which bit of the flag register is set when output overflows to the sign bit?

1174

Explain jnc.?

1103

Explain db?

1084

What are the four distinct types of memory in 8051?

1732

Other than setb, clr are there any single bit instructions?

1003

What is special function registers (sfr)?

1195

Give example of bit address and byte address?

1103

Explain the architecture of 8051 microcontroller ?

993

Which 2 ports combine to form the 16 bit address for external memory access?

1224

List out addressing modes in mcs-51?

1119

What is the width of address bus?

1111


Un-Answered Questions { Embedded Systems }

What is discrete time system?

918


Define the process of an interrupt operation in the 8086?

976


What type of software simulator and developer have you used?

774


In 8085 name the 16 bit registers?

1353


Express the discrete time signal x(n) as a summation of impulses.

870


Working of a 2-stage OPAMP?

3183


Where 8086 mostly used & tell application of 8086?

1215


What are the different classification of the timing control?

1112


For a NMOS transistor acting as a pass transistor, say the gate is connected to VDD, give the output for a square pulse input going from 0 to VDD

1451


What is the function of watchdog timer in embedded system?

869


Whether we can use semaphore or mutex or spinlock in interrupt context in linux kernel?

838


Differentiate testing and verification?

920


How are time delays calculated in the 8085?

1077


Describe a time when you collaborated with designers and engineers to deploy a new product. What was your role?

806


How much total external data memory that can be interfaced to the 8051?

1209