North Maharashtra University 2009 B.E Computer Science and Engineering Microprocessor I, S.E/ - Question Paper

MICROPROCESSOR -1 NOV - DEC 2009

Time ; Three Hours    Max. Marti* ; 100

       m        

Instructions to Candldatas:

1.    Do not write anything on question paper except Seat No

2.    Answersheet should be written with blue Ink only. Graph or diagram sftould be drawn with the same pen being used for writing paper or black HB pencil.

3.    Student should note, no suppliment wHI be provided

4.    Answer any two question from each unit

5 Assume suitable data wherever necessary

UNIT I

1.    Explain In detail logical Instructions of 0080 with example*    10

2.    Define term*. BASE address. EFFECTIV address * PHYSICAL address Explain the significance of all those in segmentation mechanism of 8080 10

3.    Explain & differentiate BIOS & DOS interrupts    10

UNIT. II

4.    Explain different *ervice of INT 21H in detail with example*    10

I.    Writ* a program In 8080 assembly language to generale detoy of 20m*

(Assume frequency 10 MHz)

8.    Write a program in 0080 aasembty language to compute factorial of given

number using FAR procedure Also mak* use of PUBLIC 8 EXTERN directive. 10

UNIT-III

7    Explain In d*t*il communication between 8080 & 8250 when an interrupt

occurs on INTR pin, (A*ume th*t 02591* configured in master f*l*v# mode) 10

f.    Draw & explain configuration of 0080 In maximum mode.    10

a    Explain all pin* of 8080 that ar* available in minimum mode    10

!SwS?.^{84K RAM & 32K R0M w,lh 8086 rtin}0 ddress ? RAM must be UWUOH & ending address of ROM must be FFFFFH Draw interfacing diagram, memory map & decoder table.

List A explain the activity performed by DMA controller when it* DRS pin is activated.

Write note on Trouble shooting memory module.

UNIT * V

Explain in detail pin* QS₀ & QS₁ of 6086. Also jxpiam the significance of LOCK signal in loosely coupled configuration

Draw & explain the architecture of NOP 8087.

Write a program in 8087 assembly language to.

i) Compute hypotenuse side of right angle triangle,

Ii) Compute area of circle.

Attachment: north-maharashtra-university-2009-b-e-computer-science-and-engineering-5951-1.pdf north-maharashtra-university-2009-b-e-computer-science-and-engineering-5951-2.pdf

Earning:   Approval pending.