Jawaharlal Nehru Technological University Anantapur 2010-1st Sem B.Tech Code :R7411504 4 IV ester(R07)Regular s, ember/ember COMPUTER SYSTEMS MAINTENANCE - Question Paper

Code :R7411504 4
IV B.Tech I Semester(R07)Regular Examinations, November/December 2010
COMPUTER SYSTEMS MAINTENANCE
(Computer Science & Systems Engineering)
Time: three hours Max Marks: 80
ans any 5 ques.
All ques. carry equal marks
1. (a) With a neat diagram discuss baby AT-Style and ATX-Style power connectors.
(b) discuss about motherboard controllers.
2. (a) discuss BIOS shortcomings and compatibility problems.
(b) Write a brief notes on CNR.
3. (a) what is CPU Over clocking?
(b) Brie°y discuss how to troubleshoot CPU issues.
4. (a) What is meant by dataloss? discuss.
(b) discuss how to recover FAT and MBR.
5. (a) discuss about DVD content protection, DVD media and decoder.
(b) How do you improve the system performance?
6. (a) define about °oppy drives.
(b) discuss the installation guidelines of a °oppy drive.
(c) How do you test °oppy drive and how to troubleshoot it?
7. (a) discuss about memory packages and structures.
(b) discuss about logical memory organization.
(c) define about dial-up modern construction and operation.
8. discuss about power supplies and power management. discuss how to troubleshoot both the supplies
and power management.

Earning:   Approval pending.