R.G.P.V. Bhopal (MP)

C.S. (6th Semester) EXAMINATION

MICROPROCESSOR & INTERFACING [ CS-601 ]

Time: 3Hrs     Max Marks: 100     Min Marks: 35
Note:Attempt any 5 questions.All question Carry equal marks.

UNIT-I

Q.1.(a) Draw the functional block diagram of 8086 microprocessor.Explain each block in brief ?
       (b) Compare the features of Intel 80286,80386,80486 and Pentium ?

OR

Q.2.(a) Explain various addressing modes of 8086 microprocessor with suitable examples ?
       (b) Discuss arithmetic and logic instructions ?

UNIT-II

Q.3.(a) Describe the general instruction format of 8086 in brief ?
       (b) What is MACRO? Explain nested MACRO with example ?

OR

Q.4.(a) Explain the structured programming.Also discuss its basic structure ?      

       (b) Explain subordinate call and returns with example ?

UNIT-III

Q.5.(a) What is Micro-controller? Expalin the architecture of 8051 micro-controller ?

       (b) Write a short not on co-processor ?

OR

Q.6.(a) What is single chip microcomputer ? Give IC number of some microcontroller and discuss their applications ?

       (b) Draw and explain the functional block diagram of intel 8748 micro controller ?

UNIT-IV

Q.7.(a) Draw and explain the expanded block diagram of transmitter and receiver section of 88251 USART ?     

        (b) Explain in detail various bus standards and compare them ?

OR

Q.8.(a) Draw and discuss the architecture of 8089 I/O processor ?

       (b) Explain the function of the following in 8259 with block diagram:
            (i) Priority resolver.
            (ii) Cascade buffer/comparator.

UNIT-V

Q.9.(a) Explain various types of semiconductor memory ?

       (b) Write a short note on cache memory ?

OR

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