System Analysis and Design

601. Lower CASE tools are used for

  1. for developing DFD's
  2. for screen design
  3. during all phases of system analysis and design life cycle
  4. 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>

  1. are better than commercial tools
  2. are not very useful
  3. do not usually have very good user interface but are otherwise useful
  4. 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

  1. Unified Modelling Language
  2. Booch Modelling Language
  3. Object Modelling Language
  4. 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
  1. It is difficult to store due to non–uniform size of the attributes
  2. Roll no. 4568 have 3 course line whereas Roll no. 4954 has only one course line
  3. The composite attribute (CS 101, C.S., 1) is repeated
  4. Some item lines have composite attributes
Correct answer: (D)
Some item lines have composite attributes
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