PGT Computer Science (Level-3), (HTET Exam 2022)

Total Questions: 150

111. In MS-Excel ________ option can be used to keep the desired rows and columns visible while the rest of the sheet scrolls.

Correct Answer: C. Freeze panes

112. Which of the following constructor related concept is non-relevant in C++?

Correct Answer: D. virtual constructor

113. Terms NTFS and FAT 32 are closely related to which action on computer?

Correct Answer: D. Formatting

114. In context of databases consider set operations on relation R and S, and select a true statement:

∪∩Φ

Correct Answer: C. (R-S) ∩ (S- R) = Φ

115. VGA stands for:

Correct Answer: A. Video Graphics Array

116. Socket address is:

Correct Answer: B. Combination of IP address and port address

117. Calculate the required bit rate of a channel if we need to download a text document at the rate of 100 pages per minute. Assume that a page has 24 lines with 80 characters in each line and one character is represented using 8 bits:

Correct Answer: E. *

118. Which of the following is not a valid expression of Boolean algebra?

Correct Answer: B. x * ~ y + ~ x * y +~x * ~ y = 1

119. Datagram networks are also referred to as ________ networks.

Correct Answer: C. Connectionless

120. In HTML5 the _________ element is used to include images, graphs and compound objects that contain text and images, in webpage.

Correct Answer: A. <figure>