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 13338

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

Broadcom, nvidia,

5 19529

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

4 8195

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

Royal Enfield,

2767

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,

3383

PROVIDE ME NOTES ON EMBEDDED TCHNLOGY

TCS,

2809

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

TCS,

3319

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

2651

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 8664

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

CMC,

1684

Explain what is embedded system in a computer system?

791

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

892

Why embedded system is useful?

955

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

877

What does DMA address will deal with?

932

Post New Embedded Systems AllOther Questions

Un-Answered Questions { Embedded Systems AllOther }

What happens when recursive functions are declared inline?

970

What are the commonly found errors in embedded systems?

813

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

898

Describe the structure and contents of a design document, or a set of design documents, for a multi-tiered web application.

852

Given time, cost, client satisfaction and best practices, how will you prioritize them for a project you are working on? Explain why.

899

A vast majority of high performance embedded systems today use risc architecture why?

1104

What is isr? Can they be passed any parameter and can they return a value?

996

How does combination of functions reduce memory reuirement in embedded system?

800

What is the difference between testing and verification?

967

Which is the best way to write loops?

895

Why continuous integration is important?

795

What is the purpose of using critical sections?

843

What is the use of having the const qualifier?

793

Tell me what is interrupt latency? How can you reduce it?

856

Explain some of the commonly found errors in embedded systems?

828

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