Jawaharlal Nehru Technological University Anantapur 2010-1st Sem B.Tech Code :R7411504 3 IV ester(R07)Regular s, ember/ember COMPUTER SYSTEMS MAINTENANCE - Question Paper

Code :R7411504 3
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) What is meant by a drive bay? discuss.
(b) What is the importance of power connector? explain.
(c) What is an LPX mother? discuss.
2. (a) List out the features of BIOS.
(b) discuss in detail about PCI.
3. (a) With a neat diagram, discuss the internal parts of CPU.
(b) discuss how to troubleshoot CPU issues.
4. (a) discuss how to protect drives.
(b) elaborate the methods for recovering data ¯les and folders?
5. (a) elaborate the speci¯cations and standard of DVD?
(b) explain how to check the system performance and how to enhance it.
6. (a) Write a brief notes or °oppy drive construction.
(b) Narrate °oppy drive installation / replacement guidelines.
(c) elaborate the steps involved in testing the °oppy drive and how to troubleshoot it?
7. (a) What is a keyboard? How do you maintain and troubleshoot it?
(b) define about logical memory organisation and memory considerations.
8. (a) Write about the power protection devices. How do you troubleshoot power protection devices?
(b) How do you upgrade power supply? discuss how to troubleshoot switching power supplies.

Earning:   Approval pending.