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Explain about the E-R Diagram
Entity-relationship (E-R) diagram is detailed logical representation of data for an organisation. It is data oriented model of a system while DFD is a process oriented model. ER diagram represent data at rest whereas DFD tracks the motion of data.
ERD doesn't provide any information regarding functionality of data. It has 3 main components - data entities, their relationships and their associated attributes.
Consider an 8-bit system with 32 memory locations (numbered from 0 to 31) and 8 different instructions. Assume op code for "Load Accumulator" instruction is 5 10 and for "Add" ins
Software project planning entails what activities? Software project planning entails the many activities: - Estimation: o Effort, , resource, cost and project duratio
What is Random testing? Random testing is also referred as adhoc testing. As the tester can give the out of coverage data and the stability of an application is checked, whethe
Q. Who is a stake holder for a software project? [Stake holder :- something or somebody with direct interest: a group or person with a direct interest, investment or involvem
Define software testing. Software testing is a process used to help recognize the correctness, completeness and superiority of developed computer software. With that in mind, t
Define Data Flow Diagram. A Data flow diagram is a graphical representation that depicts information flow & the transforms that are applied as data move from input to output.
Give the procedure of the Delphi method. 1. The co-ordinator shows a specification and estimation form to each expert. 2. Co-ordinator calls a group meeting in which the exp
QUESTION - Time Synchronization (a) Why is computer clock synchronization of paramount importance? Give 2 business scenarios whereby time accuracy is critical? (b) Computers
What are the elements of design model? i. Data design ii. Component-level design iii. Interface design iv. Architectural design
State the level 3 of KPAs Level 3 KPAs: 1) Organisation Process Focus (OPF): Organisations responsibility is fixed for software process activities which improve the ul
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