Code No.: 320457 III-B.Tech. II-Semester Examinations April 2003
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COMPUTER OPERATING SYSTEMS (Electronics and Communication Engineering) Max. Marks: 70 Answer any FIVE questions All questions carry equal marks ---
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Time: 3 Hours
How the OS is evolved? Explain various stages of its evolvement. How files are divided? Define Latency time and seek time.
2.a)
Draw the process state diagram and explain about each state. What are the contents of process control block? What is the performance criteria for processor scheduling algorithms? Explain.
b) 3.a) b)
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1.a) b)
What is memory fragmentation? How many types are there? Explain with example. How segmentation is implemented? What is the advantage of segmentation over paging? The following jobs are there at different tracks to execute. Calculate the total head movements if the head is at track 143 and has just finished a request at track 125. The disk is of 200 tracks numbered 1 to 199. The queue of requests are kept in FIFO order is 86, 147, 91, 177, 94, 150, 102, 175, 130. The algorithms are i) FCFS ii) SSTF iii) SCAN iv) C-LOOK.
5.a) b)
How the memory is allocated dynamically? What are the merits and demerits? Explain about different directory structures.
6.a) b)
What is demand paging? How it is implemented? What are the necessary conditions to occur deadlocks? Explain with examples.
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4.
How the processors can communicate? Briefly explain about Access lists and capability lists.
8. a) b) c)
Write short notes on any two of the following. Semaphores. Recovery from deadlocks. Page replacement algorithms.
320457 III-B.Tech. II-Semester Examinations April 2003 COMPUTER ...
The disk is of 200 tracks numbered 1 to 199. The queue of requests are kept in · FIFO order is 86, 147, 91, 177, 94, 150, 102, 175, 130. The algorithms are.
Code No.: 320555. III-B.Tech. II-Semester Examinations April 2003 · COMPUTER GRAPHICS · (common to Computer Science and Engineering, Computer Science and · Information Technology.) Time: 3 Hours · Max. Marks: 70 · Answer any FIVE questions · All ques
3.a) Define a page fault. Explain various steps required to bring a desired page? b) Describe the process of segmentation? 4.a) What are the desirable ...
5. a) Describe circuit switching and packet switching techniques? b) Compare connection oriented and connection less services? 6. Describe ISO-OSI seven ...
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6.a) Explain flattening and factoring with examples. b) Explain the need for functional verification after RTL description and after · synthesis. 7.a) What are the ...
Write a detailed note on particle accelerators and Neutron sources. 3. Describe briefly about the interaction of Nuclear Radiation with matter. 4. Explain clearly about · a) Geiger Muller Counter · b) Scintillating detector. 5. Write a detailed note
Code No:320455. III-B.Tech. II Semester Examinations April, 2003 · MICROWAVE ENGINEERING · (Electronics and Communication Engineering) · Time: 3 Hours · Max. Marks: 70 · Answer any FIVE questions · All questions carry equal marks · --- · 1. A two-cav
... implementation issues that arise in interprocess communication. b) Explain memory protection based on the protection keys. 7.a) Explain briefly the functions of physical IOCS. b) With neat figure explain indexed allocation. 8. Write short notes o
b) Write a note on QMR. 5.a) Explain how computers can be used for the care of renal disorders. b) Explain the use of computers in the care of critically ill patients. 6.a) How are computers used for handicapped subjects? b) Write a note on ISDN in m
SATELLITE COMMUNICATIONS · ( Electronics and Communication Engineering ) ... b) Draw the block diagram of a satellite communication and explain each ...
b) The annual input to a sub-transmission system is 1,75,200 MW hrs. On the peak- · load day of the year, the maximum demand is 50 MW and the energy input ...
Code No.: 320255. III B.Tech II-Semester Examinations April 2003 · PULSE AND DIGITAL CIRCUITS · (Electrical And Electronics Engineering) · Time: 3 Hours · Max. Marks: 70 · Answer any FIVE questions · All questions carry equal marks · - - - · 1.a) A s
b) Explain the principle of single tuned capacitance coupled amplifiers. 3.a) Classify various commutation techniques. Also explain class A commutation.
c) Discuss the mechanism of creep in deformation of metals. 4.a) With the help of band theory explain the conducting behavior of conductors, · semi-conductors ...
b) By proving Parseval's theorem show that Fourier transform is an isometry. 4.a) Write three properties of auto correlation function. b) Let r(t) represent a ramp ...
II-B.Tech. II Semester Examinations April/May, 2003 · MECHANICS OF FLUIDS AND HYDRAULIC MACHINES · (common to Electronics and ... isothermal conditions if the pressure and density at sea level at this temperature · are 101.325KN/m · 2 · and 1.208Kg/m
3.a) The expression giving work done in gas following polytropic compression can · not be used for ... discharge air to run a frictionless turbine. Atmospheric ...
SALARY. EFFECTIVE DATE. Gannon, Christine. $15,000. August 20, 2003. Melton, Kimberly ... Business - North. 1.0. June 11, 2003 ... Approve the release of Kathy Nagle, Technology Training Manager at Niles. North, whose position has ...
