Embedded Systems AllOther Interview Questions
Questions Answers Views Company eMail

In 8085 microprocessor READY signal does.which of the following is incorrect statements [a]It is input to the microprocessor [b] It sequences the instructions

Wipro,

4 7275

Design a circuit for A + abs(B) = C, where A and B are 4 bits wide and 2?s complement representation

Qualcomm,

1 6692

Design a circuit to detect when 3 and only 3 bits are set out of 8 bits.(eg. o0101100)

Qualcomm, RIM,

13 17513




What is Difference between CAN and GMLAN

GM General Motors,

2 14459

whether the mulitasking and multiprocessing are same or not.

10 6625

Is tasklets or workqueues or softirqs are scheduled by the scheduler?

2 8781

wat are the different rtos available? wat is the difference beetween RTOS ans OS

LG Soft,

8 12675

What is mutex precisely used for?

2 5506




hi i want to learn embedded system course. can anyone tel me which training center is best in chennai to learn embedded system? plz help me

1 3240

what is plc system

3 4269

IS 8085 an embedded system?

4 8682

what is the command/instruction in ARM that does not do anything or does not execute any instruction ? (except NOP instruction)

Bosch,

2055

what is difference between micro processor & micro controller ?

Bosch,

8 8311

what is Page Fault or Page thrashing ?

Broadcom,

3 10002

Can we use semaphore or mutex or spin lock in interrupt context in linux kernel ?

Broadcom,

3 16269


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Un-Answered Questions { Embedded Systems AllOther }

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

1821


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

742


what is the command/instruction in ARM that does not do anything or does not execute any instruction ? (except NOP instruction)

2055


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

2243


PROVIDE ME NOTES ON EMBEDDED TCHNLOGY

1849