PGT Computer Science (Level-3), (HTET Exam 2019)

Total Questions: 150

121. Consider the following HTML code:

<html> Task Completion Status : <meter value = "0.8"> 80% Completed </meter> </html>
Choose true statement(s) about the output displayed on web page:
1. Text 'Task Completion Status:' is displayed.
II. Text '80% Completed' is not displayed.
III. A graphical gauge, 80% filled with colour is displayed.

Correct Answer: D. I, II and III

122. SQL, command used to modify attribute values of one or more selected tuples is:

Correct Answer: B. UPDATE

123. Solution to recurrence relation T(n) = T(n - 1) +2 is given by, where n > = 0 and T(0) = 5.

Correct Answer: C. T(n) = 2n + 5

124. Consider a graph G of 8 vertices containing no self loop. If there is no more than one edge between any pair of vertices, maximum possible number of edges in G are:

Correct Answer: C. 28

125. Which of the following specifies WLAN security standard?

Correct Answer: B. IEEE 802.11i

126. Consider the following SQL query to retrieve ecode of employees from EMPLOYEE table, whose address contains 'INDIA':

SELECT ecode
FROM EMPLOYEE
WHERE ______ :
Which of the following is most suitable to complete the query?

Correct Answer: D. address LIKE '%INDIA%'

127. Which of the following feature is not supported in C++?

Correct Answer: C. Reflection

128. In context of C++, consider following loop-statement: while(5) {cout <<"Hello";}

Hello will be displayed ................  time(s) by the above loop.

Correct Answer: D. Infinite

129. In windows, we go to ________ option in control panel to uninstall a program from our computer.

Correct Answer: D. Programs and Features

130. Which of the following is not a valid expression of Boolean Algebra?

Correct Answer: C. x'.y' + x.y = x