2012 TOP PLACEMENT PAPERS OF ALMOST ALL MNC COMPANIES FOR THE ENGINEERING PAPERS FOR THEIR BETTER CARRIER AND GUIDENCE AND INTERVIEW TIPS FOR FRESHERS THAT HELP IN JOB HUNTING FOR THE FRESHERS.

2012 Placement Papers of Top MNC Companies

SATYAM || BIRLASOFT || HCL || IBM || INFOSYS || LnT

Tuesday, May 20, 2008

MICROPROCESSOR QUESTIONS

Which type of architecture 8085 has?
How many memory locations can be addressed by a microprocessor with 14 address lines?
8085 is how many bit microprocessor?
Why is data bus bi-directional?
What is the function of accumulator?
What is flag, bus?
What are tri-state devices and why they are essential in a bus oriented system?
Why are program counter and stack pointer 16-bit registers?
What does it mean by embedded system?
What are the different addressing modes in 8085?
What is the difference between MOV and MVI?
What are the functions of RIM, SIM, IN?
What is the immediate addressing mode?
What are the different flags in 8085?
What happens during DMA transfer?
What do you mean by wait state? What is its need?
What is PSW?
What is ALE? Explain the functions of ALE in 8085.
What is a program counter? What is its use?
What is an interrupt?
Which line will be activated when an output device require attention from CPU?

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