PGT Computer Science (Level-3), (HTET Exam 2018)

Total Questions: 150

131. ASCII stands for:

Correct Answer: A. American National Service Code for Inter Transmission Inst

132. Consider a relation R(A, B, C), which of the following statements is not true according to inference rules for functional dependencies?

Correct Answer: B. If AB → C, then A → B and B → С

133. In HTML Version-5, the ................ declaration tag is used by the web browser to understand the version of the HTML.

Correct Answer: A.

134. In C++, which of the following operator cannot be overloaded?

Correct Answer: C. . [dot]

135. In context C++, the process of individually copying each member of an object to the corresponding member of another object of the same class is known as ................. copying.

Correct Answer: B. shallow

136. Choose most appropriate option considering that gp and ip are declared as void * and int * respectively in C++:

Correct Answer: A. gp ¯ ip is a valid C++ statement

137. Let for any relation R. Iᵣ represents operation insert into R and Dᵣ represents operation delete from R. Assume that a relation R2 has a foreign key that refers to primary key of another relation R1. Two operations that may cause violation of referential integrity constraints are:

Correct Answer: D.

138. In HTML link for e-mail can be created using which of the following?

Correct Answer: C. <a href> This is link to write me an email </a>

139. Which of the following is suitable tag for java script in HTML?

Correct Answer: B.

140. A relation in which every non-key attribute is fully functionally dependant on the primary key and which has no transitive dependencies is said to be in:

Correct Answer: C. 3NF