Name of the University : Alagappa University
Degree : B.Sc
Department : Computer Science
Subject Code/Name : Microprocessor And Interfacing
Document Type : Model Question Papers
Website : alagappauniversity.ac.in
Download Model/Sample Question Paper :1 AFN-0668
MICROPROCESSOR AND INTERFACING : APRIL 2011 : https://www.pdfquestion.in/uploads/alagappauniversity.ac.in/3962.-B.Sc.%20Computer%20Science%20&%20B.Sc.%20Information%20Tech..pdf
Microprocessor & Interfacing :
Time : 3 Hours
Maximum : 100 Marks
Part – A :
Related : Alagappa University Mathematical Foundation For Computer Science B.Sc Model Question Papers : www.pdfquestion.in/4009.html
1. What is meant by wait state –
2. How does the database varied in 8086 and 8088 processor –
3. What is the role of a bus controller –
4. What is called static RAM –
5. List out the modern control signals in 8251 processor.
6. What is called BSR mode in 8255 (PIC) processor –
7. What is EPROM –
8. What is the use of acoustic couplers –
9. List out the pointer registers in 80286 processor.
10. Bring out the difference between 80386 DX and 80386 SX.
Part – B : (5 × 6 = 30)
Answer any five Questions
11. Explain the role of segment and pointer Registers in 8086 processor.
12. Explain the bus organisation of 8088 processor.
13. Describe any five Assembler Directives Statements in 8086 processor.
14. Explain any four flag manipulation instructions in 8086 processor.
15. Describe the Direct Memory Access Data transfer scheme.
16. Describe the components in BIOS routines and its role.
17. Explain the role of GDTR and LDTR registers in 80286 processor.
Part – C : (5 × 12 = 60)
Answer any five Questions
18. Draw and explain the functional block diagrams and signals of 8088 processor.
19. Discuss the different groups of instructions in 8088 Assembly Language.
20. Write an assembly program to compare the two given string, whether it is same or not.
21. Draw and explain the architecture of 8259 programmable interrupt controller.
22. Explain the functional block diagram and control word format of 8255 programmable peripheral interface.
23. Describe different types of ROM and RAM devices and its role.
24. Explain the working principle of a floppy disk drive.
25. Explain the block diagram of 80386 processor with its salient features.
Mathematical Foundations For Computer Science :
1. Define Tautology.
2. Construct truth table for P – ( p- q) .
3. Obtain the principal disjunctive normal form of
4. Define Consistency.
5. Give an example of Complete graph.
6. Differentiate path and walk.
7. Define Cutset.
8. Give an application of Euler graph.
9. State any two properties of Lattices.
10. Define Poset.
11. Prove that (P – Q) – P is a Tautology.
12. Prove that – P- Q is equivalent to – Q- P .
13. Obtain PCNF for the formula S given by
14. Determinate that R is valid inference from the premises
15. Write short notes on the following :— (a) Bipartite graph.
16. Write down the Prim’s Algorithm.
17. Let L, – be lattice. For any a, b, c, – L, the following
18. (a) Show that – (P – Q) follows from – P- Q. (b) Prove that :
19. Construct the truth tables of the following formulas :
20. Prove that any connected graph with n vertices and
21. Show that a simple graph with n vertices and K
22. Explain Kruskal’s Algorithm with an example.
23. When is a graph said to be an Euler graph ? Show that a connected graph is Euler iff the degree of every vertex is even.
24. Simplify the following Boolean expressions
25. Prove that every chain is a distributive lattice.
B.Sc. Degree Examination, April 2011 :
Programming In C :
(Non-CBCS—2004 onwards)
Time : 3 Hours
Maximum : 100 Marks
Part A (10 × 1 = 10)
Answer all questions.
1. A long integer variable occupies ———— bytes of memory.
2. What is the difference between = and = = ?
3. Say True or False The function to generate random numbers in C is given as pow ( ).
4. A ———— performs macro substitution.
5. How will you declare a pointer to an integer variable in C ?
6. What is meant by a subscript ?
7. The syntax for malloc ( ) function is ————.
8. How will you access an individual structure member ?
9. Name the two types of data files.
10. ———— will close a file.
Part B : (5 × 6 = 30)
Answer any five questions
11. Explain the basic structure of a C program.
12. Explain the for-loop with an example.
13. What are :
(a) Register variables.
(b) Global variables.
14. Write a program in C to find the sum of digits using functions in C.
15. State the difference between a structure and a union in C with an example.
16. Explain in brief how you will process a structure.
17. How will you open a file in C ? Give the various options.
Part C : (5 × 12 = 60)
Answer any five questions.
18. Describe the input and output functions in C.
19. Explain in detail
(a) While statement.
(b) Switch statement.
20. Explain the bitwise operators in C.