PA & I End Term Marking Scheme
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Transcript of PA & I End Term Marking Scheme
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8/2/2019 PA & I End Term Marking Scheme
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JSPMs
Rajarshi Shahu College of EngineeringTathawde, Pune 33
Department of Information Technology
2011-12 (Sem-II)
End Term Marking Scheme
Class: S.E Date: 08 /02/11
Subject: PA & I Max Marks: 50
Time: 9.00 am to 10.30 am
Instructions:1) Solve questions Q.1 or Q.2, Q.3 or Q.4, and Q.5 or Q.6.2) Draw neat diagrams wherever necessary.
3) Assume suitable data if necessary.
Q.1 a) Difference between segment level protection and pade level protection. [8]
Ans: At least six difference is accepted(each difference carries 6 Mark)
And example carries 2 Marks)
b) Which are the different registers used for paging? Explain. [8]
Ans: What is paging? 2 marksRegister involve in paging? 2 marks
Working of each register? 2 marks
Example 2 Marks.
OR
Q.2 a)80386 is currently executing program from code segment having PL as 2.If it needsto access the code from PL0, is it possible? If yes which are the methods used for the
same? If no justify your answer. [8]
Ans: Structure carries 2marks
Method used 2 marks
Justification of answer 4 marks
b)Write short note on IDT? [8]
Ans: what is IDT 2 marks
Structure of IDT 4 marksExplanations 2 marks.
Q.3 a)Which are the different types of exception in 80386? [8]
Ans: What is exception 2 marks
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Types of exception 2 marks
Explaination 4 marks
b) Write ALP to generate square wave of 2khz using timer 0 of 8051 with crystel
frequency as 12MHz. [10]
Ans: Procedure for square wave generater 4 marksSource codes for square wave generater 6 marks
OR
Q.4 a)Give features of PIC 16F8XX . [8]
Ans: Any 6 to 8 feature are expected with explaination each carries 1 and marks.
b) Explain any 2 operating modes of serial communication of 8051. [10]
ans: oprating modes of 8051 2 marks
modes used in serial communication with example carries 6 marks
Q.5 a) What is difference between RETI and RET. [6]
Ans: Four difference expected each carries 1 and marks .
b) Write instruction for selecting bank 1 of 8051microcontroller. [10]Ans: various instructions used for selecting bank 1 carries 4 marks
Structure carries 4 marks.
Example 2 marks
OR
Q.6 a) what is significance of segment register, global descriptor table and descriptor table
register in conversion of linear address to physical address of protected mode
80386.Explain in detail with format of each. [12]Ans: segment register explanation 2 marksGlobal descriptor table explanation 2 marks
Descriptor table register explanation 2 marks
b) Explain the concept of virtual memory.What is its maximum size and how? [6]Ans: What are virtual memory explanations 3 marks
Maximum size with explanations 3 marks