STUPIDSID
1(a)
Explain adressing modes of 8085 microprocessor with example.
10 M
1(b)
What is segmented memory ? State the advantages of it wrt 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: SAL (b) TEST (c) STOS (d) CMP (e) 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:
- (a) Memory read in minimum mode
- (b) 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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