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

Total Questions: 150

121. In ________ page replacement algorithm, page that will not be used for longest period of time is replaced whenever a page fault occurs.

Correct Answer: B. Optimal

122. Choose the SQL commands to perform following operations on a relation R:

1. Retain Relation R in database, but delete all tuples in R
II. Delete all information about R in Database.

Correct Answer: B. I: Delete from R; II: Drop table R

123. In MS-PowerPoint function key F7 is used to ________ .

Correct Answer: C. run spelling check

124. Consider Column-I and Column-II in context of tools to support UML diagram for analysis modeling:

  Column-I  Column-II
 (i) Power Designer (a) IBM
 (ii) Rational Rose (b) Microsoft
 (iii) Visio (c) Sybase
 (iv) Argo UML (d) Open source

Match the Column-I and Column-II is:

 (i) (ii) (iii) (iv)
 A. (b) (a) (d) (c)
 B. (c) (a) (b) (d)
 C. (d) (b) (c) (a)
 D. (c) (d) (a) (b)

 

Correct Answer: B.

125. In MS-Office Word, ________ option is used to navigate through structural view of document and _______ option is used to navigate long document through small pictures of each page.

Correct Answer: D. Document map, thumbnails

126. (929.19)₁₀ =?

Correct Answer: A. (1641.141)₈

127. In context of C++, which of the following is a valid statement?

Correct Answer: C. Keywords private, protected and public may appear in any order and any number of times in a class.

128. Term 'bath tub curve' is related to ________ .

Correct Answer: D. Hardware failure rate

129. In MS-Excel if _________ function key is pressed after entering a formula into a cell in place of Entery key, the result of formula is placed as value in the cell and the formula is removed from that cell.

Correct Answer: D. F9

130. Which of the following is not a web-browser?

Correct Answer: C. MINIX