System Analysis and Design
601. Lower CASE tools are used for
- for developing DFD's
- for screen design
- during all phases of system analysis and design life cycle
- for converting structured English procedures to source code into a language such as C
Correct answer: (D)
for converting structured English procedures to source code into a language such as C
602. Open domain CASE tools/p>
- are better than commercial tools
- are not very useful
- do not usually have very good user interface but are otherwise useful
- are full of bugs
Correct answer: (C)
do not usually have very good user interface but are otherwise useful
603. The current standard tool for designing object oriented systems is called
- Unified Modelling Language
- Booch Modelling Language
- Object Modelling Language
- Class, responsibilities and collaborators language
Correct answer: (A)
Unified Modelling Language
4. The following relation is not normalized because
Roll no |
Name |
Courses taken |
|
Course No |
Dept |
Sem |
4568 |
A.B Moni |
CS 101
EE 545
Phy 325 |
C.S.
E.E.
Physics |
1
2
1 |
4894 |
R. Chamnlal |
Phy 101
Chem202
Math 103
CS 101 |
Physics
Chemistry.
Math.
C.S. |
1
2
1
1 |
4954 |
R. Gupta |
CS 101 |
C.S. |
1 |
- It is difficult to store due to non–uniform size of the attributes
- Roll no. 4568 have 3 course line whereas Roll no. 4954 has only one course
line
- The composite attribute (CS 101, C.S., 1) is repeated
- Some item lines have composite attributes
Correct answer: (D)
Some item lines have composite attributes