Embedded Systems AllOther Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Embedded Systems AllOther Interview Questions

Questions Answers Views Company eMail

DMA deals with which address (physical/virtual addresses) ?

Bosch,

3 13307

While writing interrupt handlers (ISR), which are points needed to be considered ?

Broadcom, nvidia,

5 19480

Hi Guru here.......my question is....... Is it necessary to start the execution of a program from the main() in C?

4 8161

Program to print the 32 number in form of binary, Hexa and ASCI.

Royal Enfield,

2755

This program is in verilog and need help to get it working correctly. This is the code i have so far. Please help. Simple testbench would be great. Thanks\ 'define vend_a_drink {D,dispense,collect} = {IDLE,2'b11}; module drink_machine(nickel_in, dime_in, quarter_in, collect, nickel_out, dime_out, dispense, reset, clk) ; parameter IDLE=0,FIVE=1,TEN=2,TWENTY_FIVE=3, FIFTEEN=4,THIRTY=5,TWENTY=6,OWE_DIME=7; input nickel_in, dime_in, quarter_in, reset, clk; output collect, nickel_out, dime_out, dispense; reg collect, nickel_out, dime_out, dispense; reg [2:0] D, Q; /* state */ // synopsys state_vector Q always @ ( nickel_in or dime_in or quarter_in or reset ) begin nickel_out = 0; dime_out = 0; dispense = 0; collect = 0; if ( reset ) D = IDLE; else begin D = Q; case ( Q ) IDLE: if (nickel_in) D = FIVE; else if (dime_in) D = TEN; else if (quarter_in) D = TWENTY_FIVE; FIVE: if(nickel_in) D = TEN; else if (dime_in) D = FIFTEEN; else if (quarter_in) D = THIRTY; TEN: if (nickel_in) D = FIFTEEN; else if (dime_in) D = TWENTY; else if (quarter_in) 'vend_a_drink; TWENTY_FIVE: if( nickel_in) D = THIRTY; else if (dime_in) 'vend_a_drink; else if (quarter_in) begin 'vend_a_drink; nickel_out = 1; dime_out = 1; end FIFTEEN: if (nickel_in) D = TWENTY; else if (dime_in) D = TWENTY_FIVE; else if (quarter_in) begin 'vend_a_drink; nickel_out = 1; end THIRTY: if (nickel_in) 'vend_a_drink; else if (dime_in) begin 'vend_a_drink; nickel_out = 1; end else if (quarter_in) begin 'vend_a_drink; dime_out = 1; D = OWE_DIME; end TWENTY: if (nickel_in) D = TWENTY_FIVE; else if (dime_in) D = THIRTY; else if (quarter_in) begin 'vend_a_drink; dime_out = 1; end OWE_DIME: begin dime_out = 1; D = IDLE; end endcase end end always @ (posedge clk ) begin Q = D; end endmodule

Intel,

3360

PROVIDE ME NOTES ON EMBEDDED TCHNLOGY

TCS,

2792

can please tel me faq's asking in interviews on microcontrollers

TCS,

3311

please send me the faq's in technical interviews on cand datastructures , unix(shell scripting).

2641

look at following code void foo(void) { unsigned int a = 6; int b = -20; int c = (a+b > 6) ? 1:0; } o/p is 1 why explain promotion rules

1 8649

How can to check the working of a sensor deployed in a project?

CMC,

1677

Explain what is embedded system in a computer system?

780

Explain what is the need for an infinite loop in embedded systems?

878

Why embedded system is useful?

942

Explain what is interrupt latency? How can you reduce it?

858

What does DMA address will deal with?

925

Post New Embedded Systems AllOther Questions

Un-Answered Questions { Embedded Systems AllOther }

What is the difference between unit test and integration test?

887

Tell me what is a watchdog timer?

893

Tell me how are macros different from inline functions?

913

What does DMA address will deal with?

925

Tell me what is the function of simple thread poll in embedded system?

880

What kinds of problems can you hit with locking model? And a lockless model?

823

How can you stop your dba from making off with a list of your users’ passwords?

990

Mention what are the essential components of embedded system?

1030

What are the rules followed by mutexes?

943

Explain me what are the rules followed by mutexes?

786

What buses are used for communication in embedded system?

838

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

806

What is refactoring? Have you used it and it is important? Name three common refactorings.

783

What is the scope of a function that is declared as static?

883

Explain me what are the different types of system involved in embedded system?

895

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