bcstutor.com

bcstutor.blogspot.com

BCS Online Lectures: Welcome to BCS Tutor

http://bcstutor.blogspot.com/2010/03/welcome-to-bcs-tutor.html

Wednesday, March 17, 2010. Welcome to BCS Tutor. BCS Tutor ( www.bcstutor.com. Is an online tutoring website for BCS (British Computer Society) Higher Education Qualifications (previously known as BCS Professional Examinations). This is the BCS Tutor Blog and this blog will be updated with lots of posts that is related to BCS Examinations. I will discussing lots of issues and theories related to BCS Professional Examinations (Higher Education Qualifications) basically for the Certificate Level exams and ...

bcstutor.blogspot.com

BCS Online Lectures: March 2010

http://bcstutor.blogspot.com/2010_03_01_archive.html

Tuesday, March 30, 2010. What is a system? System Analysis and Design. What is a system? System is a collection of components that work together to realize some objectives. Generally a system is a collection of components. These components can be anything that made the system, either physical components or non-physical components such as procedures, methods, rules and regulations, theories, etc. Look at a car for example! How many parts are there? Monday, March 29, 2010. System analysis and design. Think...

bcstutor.blogspot.com

BCS Online Lectures: Real World Systems

http://bcstutor.blogspot.com/2010/05/real-world-systems.html

Sunday, May 2, 2010. System Analysis and Design:. There are millions of systems in operation in the world around us at every moment in time. As I told you in the earlier, system is a collection of units that works together. Therefore, involvement of computers is not necessary. Some of real world systems are listed bellow;. Family - a family is consist of two or more units, father, mother and children for example. School - school is a large system consists of student units, class units, teacher units, etc.

bcstutor.blogspot.com

BCS Online Lectures: RAD (Rapid Application Development) Model

http://bcstutor.blogspot.com/2013/05/rad-rapid-application-development-model.html

Sunday, May 5, 2013. RAD (Rapid Application Development) Model. Business Modeling: The information flow among business function is modeled in a way that answer the following questions. What information drives the business process? What information is generated? Where does the information go? Process Modeling: The data objects defined in the data modeling phase are transformed to achieve the information flow necessary to implement a business function. Process descriptions are created to adding, modify...

bcstutor.blogspot.com

BCS Online Lectures: Information Systems (IS) Syllabus

http://bcstutor.blogspot.com/2010/03/information-systems-is-syllabus.html

Tuesday, March 23, 2010. Information Systems (IS) Syllabus. Information Systems (IS) Syllabus. System Analysis and Design. What is a systems? Factors to be considered when developing a system. What is an information system. The linear or the waterfall model. Methods of collecting data (Fact finding techniques). HSM (Hard System Methodology). SSM (Soft System Methodology). OOM (Object Oriented Methodology). Human Computer Interface (HCI). Factors to consider when designing an interface. Type of CASE tools.

bcstutor.blogspot.com

BCS Online Lectures: Data Flow Diagrams (DFD) - Part II

http://bcstutor.blogspot.com/2013/05/components-of-data-flow-diagrams.html

Monday, May 27, 2013. Data Flow Diagrams (DFD) - Part II. There are only four different symbols that are normally used on a DFD. The elements represented are:. Examples of good process names would be :. Try to avoid using the verb ‘process’, otherwise it is easy to use this for every process. We already know from the symbol it is a process so this does not help us to understand what kind of a process we are looking at. Between a data store and another data store. It tends to make the diagram easier to re...

bcstutor.blogspot.com

BCS Online Lectures: October 2010

http://bcstutor.blogspot.com/2010_10_01_archive.html

Friday, October 1, 2010. BCS Online Lectures - Blog. I was very busy over last couple of moths, so had no time to update the blog. I was amazed with 7 followers with just 3 post in the blog. So, I think this will be helpful for all BCS students. I will cover many subjects in Certificate, Diploma and PDG levels, but some subjects in Diploma and PGD levels will not cover because I did not followed those subjects. Monday - Information Systems (11.00 pm). Wednesday - Software Development (11.00 pm). System a...

bcstutor.blogspot.com

BCS Online Lectures: April 2013

http://bcstutor.blogspot.com/2013_04_01_archive.html

Tuesday, April 30, 2013. Incremental Software Development Process (Model). A complete and detailed explanation about these models can be found in our video tutorials by registering for Information Systems course at www.bcstutor.com. Evolutionary Software Development Model. Find out more details about EVO model at http:/ www.hpl.hp.com/hpjournal/96aug/aug96a4.pdf. Phases of Waterfall Model Explained. Problem Definition - this is the process of documenting their problems. In this stage, the system anal...

bcstutor.blogspot.com

BCS Online Lectures: Prototyping

http://bcstutor.blogspot.com/2013/05/prototyping.html

Tuesday, May 7, 2013. A prototype is a model that describes features of a "thing". In regard to software systems, we can describes “prototype” is a system that describes interfaces and features of an intended system. In software development prototyping, normally do not involve the programing, instead create a graphical representation only. There are two types of prototyping. Advantages of Throw-Away prototypes. Both functions and non-functions are satisfied. Easy to do modifications as customer feedback.

bcstutor.blogspot.com

BCS Online Lectures: Introduction to Information Systems Subject

http://bcstutor.blogspot.com/2010/03/introduction-to-information-systems.html

Tuesday, March 23, 2010. Introduction to Information Systems Subject. Information Systems (IS) subject in the certificate level of BCS Higher Education Qualifications (HEQ) exams is the most easiest subject to pass. But there are lots of things to read and memorize rather than practicing. Most of this subject consists of theory parts. The syllabus of Information Systems subject mainly consists of three parts;. System Analysis and Design. Organizations section is about the structure and management of an o...