NTA NET CSA Test Code NN1802 December 3, 2018 Muskan Leave a comment Please enter your email: 1. Which of the following is not correct for virtual function in C++? Must be declared in public section of class. Virtual function can be static. Virtual function should be accessed using pointers Virtual function is defined in base class. 2. Which of the following storage classes have global visibility in C/C++? Auto Extern Static Register 3. What keyword in class specification helps to hide data? Public Static Private Void 4. The regular expression given below describes: r=(1+01)*(0+λ) Set of all strings not containing ‘11’ Set of all strings not containing ‘00’ Set of all strings containing ‘01’ Set of all strings ending in 0 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? S1 is not correct and S2 is not correct. S1 is correct and S2 is not correct. S1 is not correct and S2 is correct. S1 is correct and S2 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? A is not true, B is not true A is true, B is not true A is not true, B is true A is true, B is true 7. Peep-hole optimization is a form of Loop Optimization Local Optimization constant folding data flow analysis 8. Grammar of the programming is checked at …………… phase of compiler Semantic Analysis Code Generation Syntax Analysis Code Optimization 9. A Top-down Parser generates Right Most Derivation Right most derivation in reverse Left-most derivation in reverse Left-most derivation 10. When one object reference variable is assigned to another object reference variable then a copy of the object is created a copy of reference is created a copy of reference is not created it is illegal to assign one object reference variable to another object reference variable Loading … Post Views: 148 Share this...FacebookTwitter
