Jawaharlal Nehru Technological University Hyderabad 2010-3rd Sem M.C.A -ester Supplementary s UNIX INTERNALS - Question Paper

Code No: 32
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
MCA-III Semester Supplementary exams July 2010
UNIX INTERNALS
Time: 3hours Max.Marks:60
ans any 5 ques.
All ques. carry equal Marks
- - -
1.a) discuss about process states and state transitions with a neat diagram.
b) define the design problems of light weight process.
2. discuss about SVR4 scheduler.
3.a) What is spin lock? elaborate the uses of spin locks?
b) Write a program to implement read-write lock facility.
4.a) define 2 implementations that dynamically allocate and deallocate vnodes.
b) Draw and discuss the conceptual view of a hard disk.
5.a) Draw and discuss the architecture of Remote file system.
b) define the design of slab allocator.
6.a) define the various kinds of translation maps to implement virtual memory.
b) Differentiate ranging from an anonymous page and the anonymous object.
7.a) What is the difference ranging from a multiplexer and a module that is used
independently in 2 various streams?
b) elaborate the main issues in writing a multiprocessor-safe driver?
8.a) discuss the TLI functions for a connection-oriented protocol.
b) discuss the implementation sockets in SVR4.

Earning:   Approval pending.