Classical

Software Engineering MCQ - Information System

151:  

Which of the following statements is true?

A.
Entity Relationship Diagrams are used to design files.
B.
Systems Overview can be prescribed by Data Flow Diagrams.
C.
Phases, in a Systems life cycle, are fixed and invariant.
D.
Only a programmer can conduct a system study.
 
 

Option: D

Explanation :


152:  

Which of the following statements is not true?

A.

Entity Relationship Diagrams are used to design files.

B.
Systems Overview can be prescnbed by Data Flow Diagrams.
C.
Phases, in a Systems life cycle, are fixed and invariant.
D.
Indexed files are faster than sequential files in all situations.
 
 

Option: D

Explanation :


153:  
Checking the quality of software in both simulated and line environments, is called
A.

checking

B.

usability

C.

validity

D.

validation

 
 

Option: D

Explanation :


154:  

Sequential organization

A.
means storing records in contiguous blocks according to a key
B.
stores records sequentially but uses an index to locate records
C.

uses an index for each key type

D.
has records placed randomly throughout the file
 
 

Option: A

Explanation :


155:  

Indexed-Sequential organization

A.
means storing records in contiguous blocks according to a key
B.
stores records sequentially but uses an index to locate records
C.

uses an index for each key type

D.
has records placed randomly throughout the file
 
 

Option: B

Explanation :




Suggest an improvement