Useful Computer Science Questions for NET Exam

1. Infrared  signals can be used for short range communication in a closed area using which propagation?

1. ground


2. sky


3. line of sight


4. space

Answer: (3) line of sight



2. A bridge has access to which address in the same network?

1. Physical


2.  Network


3. Datalink


4. Application

Answer:(1) Physical



3.COCOMO stands for?

1. COmposite COst MOdel


2. COnstructive COst MOdel


3. COnstructive  COmposite MOdel


4. COmprehensive COnstruction MOdel

Answer:(2)COnstructive COst MOdel



4.Which of the following is not a DBMS?

1. Hierarchical


2. Network


3. Rational 


4. Sequential

Answer:(4)Sequential



5. A Network Schema

1. restrict to one to many relationship


2. permits many to many relationship


3. stores data in a Database


4. stores data in a Relation

Answer:(2) permits many to many relationship