NTA NET CSA Test Code NN1802

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1. Which of the following is not correct for virtual function in C++?

 
 
 
 

2. Which of the following storage classes have global visibility in C/C++?

 
 
 
 

3. What keyword in class specification helps to hide data?

 
 
 
 

4. The regular expression given below describes:

r=(1+01)*(0+λ)

 
 
 
 

5. Given the following statements:

S1: Every context-sensitive language L is recursive.

S2: There exists a recursive language that is not context sensitive.

Which statement is correct?

 
 
 
 

6. Given the following statements :

(A) A class of languages that is closed under union and complementation has to be closed under intersection.

(B) A class of languages that is closed under union and intersection has to be closed under complementation.

Which of the following options is correct?

 
 
 
 

7. Peep-hole optimization is a form of

 
 
 
 

8. Grammar of the programming is checked at …………… phase of compiler

 
 
 
 

9. A Top-down Parser generates

 
 
 
 

10. When one object reference variable is assigned to another object reference variable then

 
 
 
 

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