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Jharkhand Academic Council - Year 2016 Computer Science - Class XII =============================================== Multiple Choice Questions: a. Header file have the file extension. I. .h II. .he III. .hea IV. .head Ans: I b. A row in a relation is called I. Data II. Tuple III. Domain IV. None of these Ans: II c. A Token is – I. Keyword II. An identifier III. Smallest unit of a program IV. Operator Ans: III d. The condition on while loop is checked on- I. Middle II. Top III. Bottom IV. All of these Ans: II e. Destructor is a – I. Member function II. Overloaded III. Constructor IV. None of these Ans: I f. Base class is – I. Normal class II. Derived class III. Child class IV. All of these Ans: I g. In private inheritance, a protected data member of the base class will be treated in a derived class as – I. Public II. Protected III. Private IV. None of these Ans: III h. Binary search uses – I. Divide & conquer method II. Back tracking approach III. Heuristic search IV. Greedy approach Ans: I i. A linked list is a collection of data elements, called – I. Array II. Pointer III. Nodes IV. All of these Ans: III j. The elements are inserted in a queue from the end is called – I. Top II. Middle III. Front IV. Rear Ans: IV k. Attribute in a relation is called I. Record II. Column III. Tuple IV. None of these Ans: II l. Normalization is used to reduce – I. Data redundancy II. Data inconsistency III. Data security IV. None of these Ans: I m. Identity law states that – I. X + X’ = 1 II. 0 + X = X III. X + X = X IV. X.X = X Ans: I n. The solution of X+XY is equal to – I. X II. X’ III. X+Y IV. None of these Ans: I o. A small file that a web server can store on your machine is – I. Hacker II. Cracker III. Firewall IV. Cookies Ans: IV p. Network device (s) is/are- I. Ethernet card II. Hub III. Router IV. All of these Ans: IV

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Class 12th History and Political Science MCQs In Hindi 👇👇👇 History Click here Political Science - Click here 👉Most Important Question with answers 📚📚📚