STUPIDSID
1 (a) (i)
Explain Flag register.
2 M
1 (a) (ii)
If CS=3000H & IP=2500H in 8086 find logical address, physical
address, lower & upper ranges of code segment.
2 M
1 (a) (ii)
What is status of CS and IP register when 8086 microprocessor is reset?
2 M
1 (b)
Draw and explain 8086 operating in minimum mode system. Also draw its read timing diagram cycles.
7 M
2 (a)
Explain the function of following signals
i) DT/R ii) DEN iii) RQ/GT BHE
i) DT/R ii) DEN iii) RQ/GT BHE
7 M
Solve any one question from Q2(b) & Q2(c)
2 (b)
List different string instruction and explain them.
7 M
2 (c)
Write an assembly language program to reverse 32 bit number.
7 M
Solve any two question from Q3(a), Q3(b) & Q3(c), Q3(d)
3 (a)
Design an interface between 8086 CPU and two chips of 16×8 EPROM and two chips of 32k×8 RAM. Select the starting address of EPROM F80000H. The RAM address must start at 00000H.
7 M
3 (b)
Explain following:
(i) LOOP (ii) PTR (iii) XLAT (iv) WAIT
(i) LOOP (ii) PTR (iii) XLAT (iv) WAIT
7 M
3 (c)
Write an ALP to find weather a given string is palindrome or not?
7 M
3 (d)
State difference between 8086 and 8088 microprocessor? Draw typical maximum mode 8088 system.
7 M
Solve any two question from Q4(a), Q4(b) & Q4(c), Q4(d)
4 (a)
What is interrupt? Explain interrupt vectors and vector table in detail.
7 M
4 (b)
Describe in detail with suitable formats how linear address is converted into physical address with reference to 80386 microprocessor.
7 M
4 (c)
State different descriptor table. Explain Local and Global Descriptor table in detail for 80286.
7 M
4 (d)
Write short note on 80486 microprocessor.
7 M
Solve any two question from Q5(a), Q5(b) & Q5(c), Q5(d)
5 (a)
What is virtual mode addressing? What are the steps taken in moving to protected mode from real mode?
7 M
5 (b)
Draw Pentium system architecture and explain its pipeline mechanism.
7 M
5 (c)
Describe in detail the differences between Pentium II, Pentium III, Pentium 4 and Core 2 microprocessors.
7 M
5 (d)
Explain the following terms.
(i) Task Privilege (ii) Descriptor Privilege (iii) Selector Privilege.
(i) Task Privilege (ii) Descriptor Privilege (iii) Selector Privilege.
7 M
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