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

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Embedded Systems Interview Questions

Questions Answers Views Company eMail

What is a coprocessor trap?

1 3715

Define word?

1112

What happens when call instruction is executed?

1131

What is baud rate?

1024

How many hardware interrupts 8085 supports?

1089

Discuss pc and sp?

1039

What is the software interrupts of 8085?

1141

What is the purpose of clk signals of 8085?

1190

Explain the two types of software?

1029

The address capability of 8085 is 64 kb.explain?

1986

Explain memory mapped i/o and i/o mapped i/o schemes?

1340

What is the maximum size of segment in 8086 microprocessor?

1006

Why subroutine used in programs?

1161

What are flag registers?

1110

What are the different functional units in 8086?

1153

Un-Answered Questions { Embedded Systems }

What is the significance of the nmi pin in the 8086?

1016

Can a volatile be constant? Like

858

Explain the instruction stream queue mechanism in the 8086?

955

What is 'daisy-chaining' in reference to the 8086?

1163

Tell me what is null pointer and what is its use?

851

Do you know what is the function of watchdog timer in embedded system?

819

What is Latch Up? Explain Latch Up with cross section of a CMOS Inverter. How do you avoid Latch Up?

1341

what is multiplexer?

1166

Tell me why do we need virtual device drivers when we have physical device drivers?

944

What type of interrupt is the “trap” and what does it do?

1108

What does 8088 microprocessor have?

1041

Tell me what are the functional requirements that are used in the embedded systems?

790

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

1460

What are the qualifiers in c?

834

Tell me about 3 times you failed.

1007

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