Rajasthan Technical University 2009 B.C.A Computer Application University of Rajasthan part-I (Operating system fundamentals) - Question Paper

Bachelor of computer applications (part I)

Examination, 2009

Paper 117

OPERATING SYSTEM FUNDAMENTALS

Q.1 (a) What is an operating system? discuss its funcations.
(b) elaborate the main differrence ranging from operating system for mainframe computers and personal computers?

Q.2 (a) discuss memory management and define different methods of memory management.
(b) explain the concept of 'Semaphore'. elaborate the usage and drawbacks of semaphore?

Q.3 (a) Draw the logic circuit of 8X1 multiplexer with enable input and discuss its operation with the help of truth table.
(b) discuss the execution cycle within CPU.

Q.4 Write short notes on any three:
(i) Remote procedure calls (RPC)
(ii) Interprocess communication
(iii) Round Robin scheduling
(iv) Distributed processing system

Q.5 What is resource allocation graph? define its different entities. Also draw separate resource. Allocation graphs showing a deadlock and a cycle but no deadlock.

Q.6 Differentiate any three:
(i) Program and process
(ii) Memory mapped I/O and direct memory access
(iii) Linked allocation and indexed allocation of disk blocks
(iv) Real time system and embedded system.

Earning:   Approval pending.