STUPIDSID
1 (a)
Explain adressing modes of 8085 microprocessor with example.
10 M
1 (b)
What is segmented memory? State its advantages w.r.t. 8086 microprocessor.
10 M
2 (a)
What is meant by DMA? Show interfacing of 8237/57 with 8086 and explain.
10 M
2 (b)
Explain the following instructions with one example each: (i) SAL (ii) TEST (iii) STOS (iv) CMP (v) JC
10 M
3 (a)
Explain the operation of IC 8259 with block diagram.
10 M
3 (b)
Write an assembly language program for 8086 to exchange the blocks of 1KB located at 0100H and 0200H using String Instructions.
10 M
4 (a)
Explain Assembler Directives of 8086.
10 M
4 (b)
What are the various modes of operation of 8255 PPI?
10 M
5 (a)
Explain addressing modes of 8085 microprocessor
10 M
5 (b)
Draw the Timing diagrams and explain for:
(i) Memory read in minimum mode.
(ii) Memory write in maximum mode.
(i) Memory read in minimum mode.
(ii) Memory write in maximum mode.
10 M
6 (a)
Explain interrupts of 8086 in detail.
10 M
6 (b) (i)
Explain generation of address bus and data bus.
5 M
6 (b) (ii)
Differentiate between memory mapped I/O and I/O mapped I/O.
5 M
Write short notes on any three:-
7 (a)
RS 232 serial Interface Standard.
7 M
7 (b)
Memory Banking in 8086.
7 M
7 (c)
8284 Clock Generator.
7 M
7 (d)
8288 Bus Controller.
7 M
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