After some time the computer get slower than that day you bought. Some feels they need newer version or a faster model. Some thinks it get slow because it is getting older. But it is not true your computer should run as fast as the day you brought,
if you follow some basic steps:
1. Always delete temporary directory [...]

Prototyping is another system development method. In fact, prototype is a working model that  is based on interaction between analysts and users, built as a preliminary solution to a problem. A prototype is built, tested and then reworked upon,  as necessary until an acceptable prototype is then achieved from which the complete system or product can [...]

Joint Application Development (JAD) is a structure process in which users, managers, and analysis work together in the design and development of an application. All this is done through a succession of collaborative workshops which is  called JAD sessions.
Objectives of JAD Sessions
The objectives of JAD sessions are the following:
a) to bring together the key users; [...]

Data is received processed and results are given so fast that the process seems instantaneous to the user. Such a system is named as real time system.
In real life situations, we come across many systems where it is not sufficient that correct results are produced, but such results must be produced within a specified time [...]

Some Tricks Are Here:

1. To increase the systems performance and decrease the boot time of your computer, use the money you save. please don’t buy any defragmentation software–the build in defragmenter works properly. Add a hard disk which contain Ultra-133 OR Serial ATA hard drive with 8MB cache buffer.
2.If your computer has less then 512MB memory RAM, add more memory.This [...]

When you shutdown the computer, the windows kills or quit the running application.  So close all the running programs before shutting down.  But some programs running in the back ground. You can reduce the Windows XP shutting down time by disabling the unwanted programs which are always running in the back ground.

Some Different Ways To Change Registry Settings:

1. Open Registry Editor.
2. Go To [...]

There is a trick to decrease your boot time by removing the unwanted fonts. The more fonts you have, the more processing windows XP has to do to prepare all the fonts for use. You have to be more careful while removing the fonts because you don’t have to remove those fonts those are required.  But there [...]

Boot Logo, when computer starts a windows logo appears.   This feature takes some time. If you remove that logo, then you can reduce the time of booting.  But disabling the logo have some nagative points, you can not see the other boot messages like check disk etc etc. But if you are not having problems with [...]

Windows XP have a feature to  keep records what you opened or used.You can use this feature easly just go to START>>RECENT DOCUMENTS and quickly reopen any document that you close recent. I use to open many document in a day anr never use this feature.
The bad thing is about that  feature is that [...]

It is a Small Software which automatically join with the other programs of the computer. It spreads when the program runs. means the program runs, the virus also runs too. and it has chance to reproduce or weak havoc.
E-Mail Virus –  It travels as the attachment to email. some e-mail virus does not required double click- they start working when view [...]

A data dictionary contains a set of precise and accurate definitions of all DFDs, data elements and data structures.
The following rules are followed in constructing a data dictionary:
a) The terms used to describe data structures are always in capital letters.
b) Multiple word names are hyphenated.
c) Names assigned should be straight forward and user-oriented.
d) There should [...]

The purchaser of goods gives his acceptance to the seller. The acceptance so given is the Bill Payable for him. Similarly, a promissory note made by him is also a Bill Payable. Bills Payable are recorded in a  book called the ‘Bills Payable Book.’
Usual Format of Bills Payable Book is given below:
BILLS PAYABLE BOOK

S. No.
Date [...]

Marketing is one of the important parts of any business organization. Organizations tend to keep records only about sales, orders and shipments. However, organizations an information system which help sales and marketing managers to take decisions. A marketing Information System is mainly concerned with providing support to the following functions of a business organization:
1. Planning, [...]

In many cases, systems fail even though the design of the system is good. Most systems fail because of one or more of the following reasons :

Lack of user-involvement or change of requirements : Users may not be helpful or may be unwilling to act responsible for the new system.
Contradictory objectives : It may be [...]

The computer contract includes all agreements , including verbal promises as a proof, after the system is installed or personnel changes have occurred. Contract negotiation is a legal process and the organization’s legal and financial experts should be involved in the process.
The contract should clearly mention the ownership of the computer-system so that there is [...]