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Tuesday, February 15, 2011

CSE CS2253 COMPUTER ORGANIZATION AND ARCHITECTURE

11:58 PM

Karthikh Venkat

B.E./B.Tech. DEGREE EXAMINATION, APRIL/MAY 2010
Fourth Semester
Computer Science and Engineering
CS2253 — COMPUTER ORGANIZATION AND ARCHITECTURE
(Common to Information Technology)

For more question paper of CSE CLICK HERE

(Regulation 2008)
Time: Three hours Maximum: 100 Marks
Answer ALL Questions
PART A — (10 × 2 = 20 Marks)

1. Distinguish between autoincrement and autodecrement addressing mode.
2. Compare RISC with CISC architecture.
3. Under what situations the micro program counter is not incremented after a
new instruction is fetched from micro program memory?
4. What are the relative merits of horizontal and vertical microinstruction
format?
5. What is pipelining and what are the advantages of pipelining?
6. List the key aspects in gaining the performance in pipelined systems.
7. How many memory chips are needed to construct 2 M × 16 memory system
using 512 K × 8 static memory chips?
8. What is virtual memory and what are the benefits of virtual memory?
9. What is meant by bus arbitration?
10. Name and give the purpose of widely used bus standard.

PART B — (5 × 16 = 80 Marks)

11. (a) (i) Describe the role of system software to improve the performance of
a computer. (Marks 8)
(ii) Design a 4-bit adder/subtracter circuit using full adders and explain
its function. (Marks 8)
Or
(b) (i) What are the special registers in a typical computer? Explain their
purposes in detail. (Marks 8)
(ii) Design a 4-bit fast adder and explain its function in detail. (Marks 8)

12. (a) (i) Draw and explain the block diagram of a complete processor. (Marks 6)
(ii) Briefly describe the design of a hardwired control unit. (Marks 10)
Or
(b) (i) Explain the basic organization of a microprogrammed control unit
and the generation of control signals using microprogram. (Marks 12)
(ii) What are the advantages and disadvantages of hardwired and
microprogrammed control? (Marks 4)

13. (a) (i) Describe the role of cache memory in pipelined system. (Marks 8)
(ii) Discuss the influence of pipelining on instruction set design. (Marks 8)
Or
(b) What is instruction hazard? Explain the methods for dealing with the
instruction hazards. (Marks 16)

14. (a) (i) What are the different secondary storage devices? Elaborate on any
one of the devices. (Marks 8)
(ii) Explain how the virtual address is converted into real address in a
paged virtual memory system. (Marks 8)
Or
(b) (i) Explain approaches for addressing multiple-module memory
systems with suitable diagrams. (Marks 6)
(ii) Briefly describe magnetic disk principles and also the organization
and accessing of data on a disk. (Marks 10)

15. (a) (i) Describe the hardware mechanism for handling multiple interrupt
requests. (Marks 8)
(ii) What are handshaking signals? Explain the handshake control of
data transfer during input and output operation. (Marks 8)
Or
(b) (i) What are the needs for input-output interface? Explain the
functions of a typical 8-bit parallel interface in detail. (Marks 10)
(ii) Describe the USB architecture with the help of a neat diagram. (Marks 6)

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EEE EE2252 POWER PLANT ENGINEERING

11:56 PM

Karthikh Venkat

B.E./B.Tech. DEGREE EXAMINATION, APRIL/MAY 2010
Fourth Semester
Electrical and Electronics Engineering
EE2252 — POWER PLANT ENGINEERING
(Regulation 2008)
Time: Three hours
: 100 Marks
Answer ALL Questions

TO DOWNLOAD PDF FORMAT OF THIS Q PAPER CLICK HERE

PART A — (10 × 2 = 20 Marks)

1. Mention the various modern ash handling systems.
2. What are the factors affecting cooling of water in cooling tower?
3. Enumerate advantages and disadvantages of hydropower plants.
4. What is a surge tank?
5. What are the requirements of fission process?
6. What are the essential components of a nuclear reactor?
7. State the merits and demerits of closed cycle gas turbine over open cycle gas turbine power plant.
8. State the applications of diesel power plant.
9. What is a fuel cell?
10. What are the advantages and limitations of tidal power plant?

PART B — (5 × 16 = 80 Marks)

11. (a) Give the layout of a modern steam power plant and explain it briefly.[Marks 16]
Or
(b) How are cooling towers classified? Explain any one of them with a neat sketch.[Marks 16]

12. (a) Explain with a neat sketch a pumped storage power plant.[Marks 16]
Or
(b) What is the function of a hydraulic turbine? How are the turbines classified? Explain any one with a suitable sketch.[Marks 16]

13. (a) With the help of a sketch show all the important part of nuclear reactor. Describe briefly the functions of each part.[Marks 16]
Or
(b) Explain the following terms: (i) Fission of nuclear fuel (ii) Distribution of fission energy (iii) The chain reaction. [Marks 16]

14. (a) Discuss briefly the methods employed for improvement of thermal efficiency of open gas turbine power plant.[Marks 16]
Or
(b) List the essential components of a diesel power plant and explain them briefly.[Marks 16]

15. (a) Explain with a neat diagram of wind electric generating power plant.[Marks 16]
Or
(b) Describe open cycle MHD system with suitable sketch.[Marks 16]

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Mechanical Engineering ME2252 MANUFACTURING TECHNOLOGY II

11:52 PM

Karthikh Venkat

B.E./B.Tech.
DEGREE EXAMINATION, APRIL/MAY 2010
Fourth Semester
Mechanical Engineering ME2252 — MANUFACTURING TECHNOLOGY — II
(Regulation 2008)

TO DOWNLOAD PDF FORMAT OF THIS QUESTION PAPER CLICK HERE

Time: Three hours
Maximum: 100 Marks
Answer ALL Questions

PART A — (10 × 2 = 20 Marks)

1. How do you classify tool wear?
2. Define Tool Life.
3. Distinguish between Capstan lathe from Turret lathe.
4. State the different methods of taper turning.
5. How do you classify milling cutters?
6. Define Broaching.
7. State the applications of honing and lapping finishing methods.
8. Compare gear forming with gear generation method.
9. State the limitations of CNC machine tools.
10. What is a 'Canned' cycle?

PART B — (5 × 16 = 80 Marks)

11. (a) (i) Discuss the various types of chips produced during metal machining. (Marks 6)
(ii) State the parameters that influence the life of tool and discuss. (Marks 10)
Or
(b) (i) What is meant by Orthogonal Cutting and Oblique Cutting? (Marks 6)
(ii) Explain 'Merchant force circle' along with assumptions. (Marks 10)

12. (a) (i) Discuss the main parts of a turret lathe. (Marks 6)
(ii) Explain the working of Swiss type auto lathe with a neat sketch.
(10)
Or
(b) (i) What is meant by 'tool layout' of a turret lathe? (Marks 6)
(ii) Name the various lathe accessories. How does a four jaw chuck differ from a three jaw chuck? (Marks 10)

13. (a) (i) What are the operations performed on a milling machine? (Marks 6)
(ii) Explain different types of drilling machines with their specific features. (Marks 10)
Or
(b) (i) Discuss the various types of broaches. (Marks 6)
(ii) Discuss the common work holding devices used on shapers, slotters and planers. (Marks 10)

14. (a) (i) Give the specification of grinding wheel. (Marks 6)
(ii) What is meant by dressing and truing of grinding wheel? (Marks 10)
Or
(b) (i) List the advantages and limitations of gear shaping. (Marks 6)
(ii) Explain the principle of gear hobbing with neat sketches. (Marks 10)

15. (a) (i) Under what conditions of production the numerically controlled machine tools are employed? (Marks 6)
(ii) Explain the various elements of NC machine with closed loop control system. (Marks 10)
Or
(b) (i) Explain the main difference between point to point and continuous path type of numerically controlled machine tools. (Marks 6)
(ii) List any five motions and control statements of computer assisted NC programming and explain. (Marks 10)

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