What is system analysis & design

Question 1

what is a system ?

Answer 1

system is a group of elements or components which work together to accomplish a common task. .

Question 2

What is system analysis & design ?

Answer 2

It is a study in which we learn how to analyze an existing system and create a better one.

Question 3

Why is system analysis & design needed ?

Answer 3

→ For system development
- creating a new one
- updating the existing one

Question 4

what is system analysis ?

Answer 4

Process of studying and observing a system to know how it works and to identify its goals and purposes.

Question 5

Characteristics of System Analysis?

Answer 5

> problem solving

> structured methodology

> iterative process: refines through cycles

> User focus: priortizes user needs

Question 6

Purpose of system analysis ?

Answer 6

■system improvement

■requirement determination: define system needs

■decision making

■risk management

■adaption to change

Question 7

Common SAD methods

Answer 7

♡ Structured System Analysis & Design (SSADM)

♡Rapid Application Development (RAD)

♡Computer Assisted Software Engineering Tools ( CASE)

Question 8

Characteristics of a good software design

Answer 8

Functional
Efficient
Economical
Reliable
Secure
Flexible
Manageable
Maintainable
Usable
Reusable