Get fully solved assignment. Buy online from website
online store
or
plz drop a mail with your sub code
we will revert you within 2-3 hour or immediate
Charges rs 125/subject and rs 625/semester only.
if urgent then call us on 08791490301, 08273413412
Fall
2015
Bca2010
1 List three
main responsibilities of an operating system. Explain about Multi-processor
Operating Systems.
Answer: An operating
system has three main responsibilities:
1.
Perform basic
2 Differentiate
between a Process and a Program.
Answer: A program in execution is a
process. A process is executed sequentially, one instruction at a time. A
program is a passive entity. Example: a file on the disk. A process on the
other hand is an
3 Define
Threads. What are the advantages and disadvantages of Threads over
Multiprocessors?
Answer: Thread is a
single sequence stream which allows a program to split itself into two or more
simultaneously running tasks. It is a basic unit of CPU utilization, and
consists of a program counter, a register set and a stack space. Because
threads have some of the properties of processes,
4 Define
deadlock. Discuss any four conditions that leads to deadlock.
Answer: Deadlock occurs when we have
a set of processes [not necessarily all the processes in the system], each
5 Define
Critical-Section problem. What are the three requirements that a critical
section problem need to satisfy?
Answer: A critical-section
is a part of program that accesses a shared resource (data structure or
device) that must not be concurrently accessed by more than one process of
execution. Consider a system
6 Write short
notes on:
a) Segmentation
b) External
fragmentation
Answer: a) Memory management using
paging provides two entirely different views of memory – User / logical /
virtual view and the actual / physical view. Both are not the same. In fact,
the user’s view is
Get fully solved assignment. Buy online from website
online store
or
plz drop a mail with your sub code
we will revert you within 2-3 hour or immediate
Charges rs 125/subject and rs 625/semester only.
if urgent then call us on 08791490301, 08273413412
No comments:
Post a Comment