Software Engineering

Conventional Engineering is a traditional style of approach, in which all steps are made sequentially. It means that there is some order which is followed by particular departments, and e.g. Assembly follows Manufacturing, M. follows Sourcing, S. follows Process Planning, P.P. follows Design, D. follows Development and so on. Advantages: - Less risky, more time for everything, simple Disadvantages: - Time consuming In concurrent engineering Product Development Cost is higher but Setup Costs are lower than in conventional engineering.

Advantages: * Absolute minimum barrier to use - By not using encryption or special authentication methods, anyone with access to the Internet should be able to begin working with your API quickly. * Easily distributed code - Login accounts or developer key programs that make use of your API can be widely distributed and used right out of the box. * Less to worry about - If you aren't managing user accounts or development keys, it's one less thing to keep track of, and your code efforts can concentrate solely on developing the API itself. Disadvantages: * No control - Anyone, anywhere, can use the API, and while this may sound like the goal of web services, it drastically limits your response if abuse requests begin pouring in. If those requests are coming from an application on a single machine, it is easy enough to recognize the requests and block them at the firewall. But should an application that behaves poorly reach wide distribution, you will have a very difficult time dealing with the requests. * No encryption - All requests and responses are visible to anyone between the requesting server and the API server. * Can't contact developers - Because anyone anywhere can access the API without any prior registration, you are left without any method of directly engaging developers using the API. You may want to contact developers in situations where their application is being abusive, when changes are being made to the API that will affect their application, or to seek suggestions on how to improve the API itself. * Abuse - Unfortunately today, systems with little or no security or authentication make prime targets for abuse by some less ethical elements out there.

The semaphore solution for the Dining Philosophers problem is a bowl in the center of the table with two rocks in it. There is also a pile of four forks. (The fifth fork is useless.) When a philosopher wants to eat, he reaches in the bowl for a rock. If he finds one, then he can take two forks and proceed to eat spaghetti. When he is done eating, he first replaces the forks in the pile and then he replaces the rock in the bowl, after which he starts his thinking phase. If there is no rock in the bowl when he goes to get one, he must wait and try again. This is the blocked state.

User view: 1) the user view of the computer system varies by the interface being used.

System view: 1)the operating system is a program that is most intimate with computer h/w.

User view: 2)The OS is designed for "ease of use" some attention paid to none paid resource utilization.

System view: 2)we can view an os is resource allocator. The os as act as the manager of the system.

User view: 3) Some user sit at a terminal connected to mainframe or minicomputer. User share resources & may exchange information. That is designed for resource utilization.

System view: 3)os was exist because they are reasonable way to solve the problems at creating a usable Computer system. The goal of pc is to execute user program and make solving problems easier.

Sir/madam,

This is to inform you that I would like to take personal leave on Dt 13.09.2010 to 18.09.2010 due to
Ganesh Festival, a religious observance of my native country. Therefore I request that my request for leave be sanctioned.
Thank you very much for any help you can give.

This depends somewhat on the methodology you are using. They may actually be just different names for the same thing.

i don't know you tell me

My anus raisin

by Patrick kynda

In operating systems that use virtual memory, every process is given the impression that it is working with large, contiguous sections of memory. In reality, each process' memory may be dispersed across different areas of physical memory, or may have been paged out to a backup storage (typically the hard disk). When a process requests access to its memory, it is the responsibility of the operating system to map the virtual address provided by the process to the physical address where that memory is stored. The page table is where the operating system stores its mappings of virtual addresses to physical addresses.

Yes. User programs create traps for debugging purposes. A trap can be used to call the OS routines or to catch arithmetic errors.

We consider scheduling problems in parallel and distributed

settings in which we need to schedule jobs on a

system offering a certain amount of some resource. Each job

requires a particular amount of the resource for its execution.

The total amount of the resource offered by the system is

different at different points of time. Our goal is to choose a

subset of jobs and schedule them such that at any timeslot,

the total amount of resource requirement does not exceed the

total amount of the resource available at that timeslot. We

wish to maximize the profit of the chosen subset of jobs.

The problem formulation is motivated by its applications

in environments such as cloud computing and bandwidth

allocation in networks. Below, we describe a real-life problem

encountered in scheduling scientific applications on a

massively parallel system.

We now describe a scheduling problem typically faced in

the scenario where a number of users are trying to execute

scientific applications on either a cluster of machines or a

supercomputer. The users have to make reservations for the

resources in order to execute their jobs. But, as there are

multiple users competing for the same resources, a user may

not be allocated all the resources she requested. For the sake

of simplicity, let us assume that the resources are processors

on the supercomputer or machines on the cluster. Consider

a particular user. The number of processors (or machines)

allocated to the user may be different at different points of

time (because of reservation policies and the presence of

critical jobs) The user gets to know in advance the number

of processors allocated to her for each timeslot. The user

has a set of jobs that she wishes to execute. Each job of the

user has a requirement on the number of processors needed

for execution. In addition, each job has a release time, a

processing time, a deadline and a profit. The user would

like to select a subset of jobs and schedule them in such

a way that at any timeslot, the total number of processors

required by the jobs active at the timeslot does not exceed the

total number processor available to the user at that timeslot.

Naturally, the user would wish to choose the subset of jobs

having the maximum profit. We would like to highlight that

such a scenario is frequently encountered in practice. We

assume that a job can be executed on any subset of machines

or processors as long as the resource requirement is met (i.e.,

the machines/processors are identical) and the jobs may not

be preempted. In fact, we consider a more general scenario

where job can even specify a set of time intervals where it

can be scheduled; note that this generalizes the notion of

release time and deadline.

Motivated by scheduling and bandwidth allocation scenarios

such as the above one, we study an abstract problem that

we call the Varying bandwidth resource allocation problem

with bag constraints (BAGVBRAP). We use bandwidth as

a generic term to refer to the quantity of the resource

under contention. So, the input will specify the bandwidth

available at each timeslot, and for each job, its bandwidth

requirement and the different time intervals in which it can

be scheduled. This kind of interval selection or interval

scheduling problems arise naturally in practice. We refer

to [1], [2], [3] for real-life applications of interval selection

and scheduling in parallel and distributed computing and

network management. The BAGVBRAP problem also has

applications in smart energy management. Here, we have a

set of electrical appliances that need to be scheduled over a

period of time, during which the amount of available power

may vary, due to the use of different power sources. The

BAGVBRAP problem generalizes several previously studied

scheduling and resource allocation problems. We next define

the problem and then discuss prior

The original question was: "need help with code"? which isn't a well-formed question. If you're asking if we (the answers community) need your help then the answer is no, but thank you all the same. If you're actually asking if you need help then the answer is probably yes, you do need help, but in order to assist you further we'd need more information on the problem.

Install CCS V4 then install the following updates one after the other:

pcbupd.exe

pcmupd.exe

pchupd.exe

pcwhupd.exe

pcdupd.exe

pcwupd.exe

setup_icd.exe

i need my association name of cse plz give good names it may be sanscript also

Both must be translated into a common language. That language is machine code, the native language of the machine.

Product: "Something produced by human or mechanical effort or by a natural process."

Software is produced by human and mechanical effort, therefore software is a product.

Early computing was performed on a single processor.

Makes use of a single cpu to execute one or more programs for each application

Ex: A uni-processor

The Confederation of British Industry (CBI) is the UK's leading {independent} employers' organisation

biu stands for bus interface unit and eu stands for execution unit.

In 8086 microprocessor BIU fetches the instructions and places in the queue.

The Eu executes the fetched instruction and places the result in the registers

1.

Everyone is loyal to someone

pata nai

Working as a SAP BO - what? Consultant? Developer? Certainly there is a future for SAP BO, else SAP would never have purchased the technology in the first place. Therefore anyone supporting SAP BO in the marketplace will have a future. Salary? Expect an enttry level salary in the high 50K in U.S. dollars depending on geographic market. With experience, expect between $80K and $110K. Salaries assume your academic perfromance is above average and includes demonstrated STEM rigor.

As far as i see, this "formal transformation" model only exists on the CAPE (Caribbean Advanced Profiency Examination) Syllabus under SDLCs and nowhere else... Good luck finding info on this. I have been searching for 2 years.