Articles by iTech Troubleshooter
Software documentation -
by
iTech Troubleshooter
When various kinds of software products are developed then not only the executable files and the source code are developed but also various kinds of documents such as users' manual, software requirements specification (SRS) documents, design documents, test documents, installation manual, etc are also developed...
Differentiate between verification and validation -
by
iTech Troubleshooter
Verification is the process of determining whether the output of one phase of software development conforms to that of its previous phase, whereas validation is the process of determining whether a fully developed system conforms to its requirements specification. Thus while verification is concerned with...
Clean room testing -
by
iTech Troubleshooter
Clean room testing was pioneered by IBM. This type of testing relies heavily on walk throughs, inspection, and formal verification. The programmers are not allowed to test any of their code by executing the code other than doing some syntax testing using a compiler. The...
Data dictionary -
by
iTech Troubleshooter
A data dictionary lists all data items appearing in the DFD model of a system. The data items listed include all data flows and the contents of all data stores appearing on the DFDs in the DFD model of a system. A data dictionary lists...
Identify some commonly made errors while constructing of a DFD model -
by
iTech Troubleshooter
The different types of mistakes that users usually make while constructing the DFD model of systems are as follows: Many beginners commit the mistake of drawing more than one bubble in the context diagram. A contextdiagramshould depict the system as a single bubble. • Many...
Algebraic specification -
by
iTech Troubleshooter
In the algebraic specification technique an object class or type is specified in terms of relationships existing between the operations defined on that type. It was first brought into prominence by Guttag [1980, 1985] in specification of abstract data types. Various notations of algebraic specifications...
Merits of formal requirements specification -
by
iTech Troubleshooter
Formal methods possess several positive features, some of which are discussed below. • Formal specifications encourage rigour. Often, the very process of construction of a rigorous specification is more important than the formal specification itself. The construction of a rigorous specification clarifies several aspects of...
The Future Of The Internet -
by
iTech Troubleshooter
In Today's world of computers, the internet has become part of ones regular vocabulary. The internet is everywhere, in the news, the newspaper, magazines, and entire books are written on it regularly. Its growth rate is incredible, increasing by about 10% every month (Dunkin 180). ...
History of The Intel Corporation -
by
iTech Troubleshooter
The Intel Corporation is the largest manufacturer of computer devices in the world. In this research paper I will discuss where, ehrn, and how Intel was founded, the immediate effects that Intel made on the market, their marketing strategies, their competition, and finally, what Intel...
The Dependability of the Web -
by
iTech Troubleshooter
A new age is upon us - the computer age. More specifically, the internet. There's no doubt that the internet has changed how fast and the way we communicate and get information. The popularity of the net is rising at a considerable rate. Traffic, the...
The History of the Internet and the WWW -
by
iTech Troubleshooter
The History of the World Wide Web- The internet started out as an information resource for the government so that they could talk to each other. They called it "The Industrucable Network" because it was so many computers linked to gether that if one server...
mouse computer -
by
iTech Troubleshooter
The computer mouse is a common pointing device, popularized by its inclusion as standard equipment with the Apple Macintosh. With the rise in popularity of graphical user interfaces in MS-DOS; UNIX, and OS/2, use of mice is growing throughout the personal computer and workstation worlds....
Microprocessor -
by
iTech Troubleshooter
Microprocessor technology is progressing so rapidly that even experts in the field are having trouble keeping up with current advances. As more competition develops in this $150 billion a year business, power and speed of the microprocessor is expanding at an almost explosive rate. The...
the Novel 3.12 -
by
iTech Troubleshooter
Novel 3.12 Inleiding Netwerken hebben hun nut op scholen en bedrijven bewezen in de loop der jaren en komen steeds veelvuldiger voor. De netwerken worden groter, krachtiger en dus ook gecompliceerder. Om ze te kunnen beheren moet men ze minstens kunnen installeren en begrijpen. Novel's...
about Outsourcing -
by
iTech Troubleshooter
Outsourcing and how it can help IT Managers enhance their projects. Abstract With computer systems / projects and there implementations getting more complex with every day that passes , the tendering of IT responsibilities to external parties is becoming more and more attractive to the...
Software Piracy and it's Effects -
by
iTech Troubleshooter
Software Piracy and it's Effects Identification and Description of the Issue Copyright law are perhaps those laws which are breached the most by individual on a daily bases. This is because one might not know be informed about these law or because not much is...
review of online newspapers -
by
iTech Troubleshooter
Because of the prevalence of the internet in today's society many thousands of papers now publish an on-line edition. It is through the use of this medium that they wish to make in roads in the communications market. It is seen as a necessary step...
the Optical Storage -
by
iTech Troubleshooter
Optical Storage The most common way of storing data in a computer is magnetic. We have hard drives and floppy disks (soon making way to the CD-ROM), both of which can store some amount of data. In a disk drive, a read/write head (usually a...
Questions of Ethics in Computer Systems and their Future -
by
iTech Troubleshooter
Identify and discuss security issues and considerations evident for Information Systems And computerization in the brokerage industry. ( Think about how the Internet has already influenced trading.) "The technology is getting ahead of regulators" claims David Weissman, director of money and technology at Forrester Research...
History of computer -
by
iTech Troubleshooter
The volume and use of computers in the world are so great, they have become difficult to ignore anymore. Computers appear to us in so many ways that many times, we fail to see them as they actually are. People associated with a computer when...
