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 13121

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

Broadcom, nvidia,

5 19253

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

4 7956

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

Royal Enfield,

2697

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,

3280

PROVIDE ME NOTES ON EMBEDDED TCHNLOGY

TCS,

2743

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

TCS,

3269

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

2601

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 8565

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

CMC,

1625

Explain what is embedded system in a computer system?

731

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

838

Why embedded system is useful?

893

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

807

What does DMA address will deal with?

879

Post New Embedded Systems AllOther Questions

Un-Answered Questions { Embedded Systems AllOther }

Tell me what is the need for having multibyte data input and output buffers in case of device ports?

716

Why continuous integration is important?

732

What's the difference between asynchrony and concurrency?

889

A=7; b=8; x=a++-b; printf(“%d”, x ); what does this code give as output?

965

What is the difference between "set" logic, and "procedural" logic. When would you use each one and why?

743

Explain various uses of timers in embedded system?

881

What are the uses of the keyword static?

812

What is so great about ?

706

Explain the characteristics of embedded system?

810

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

765

How can you ensure that debugging a program while it's being used will not affect its functionality?

897

Which is better a char, short or int type for optimization?

812

Explain the difference between mutexes vs semaphores?

804

What is difference between using a macro and inline function?

829

What is interaction semantics used in embedded systems?

897

For More Un-Answered { Embedded Systems AllOther } Questions Click Here