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

Total Questions: 150

111. ................. is a new feature introduced in Windows-7 which hides all open windows to show the desktop shortcut key to use this feature is ................... .

Correct Answer: B. Aero Peek, Windows Key + Space-bar

112. In context of requirement analysis in software engineering, which of the following is not a type of 'non functional requirements'?

Correct Answer: D. Umbrella Requirements

113. Let disk request come to a disk driver for cylinders in the order 10, 22, 20, 2, 40, 6 and 38, at the time when the disk driver is reading from cylinder 20. If the seek time is 6 ms per cylinder, then the total seek time for the disk arm scheduling time algorithm (FCFS (First Come First Serve) is:

Correct Answer: D. 876 ms

114. Sum (89 D)₁₆+ (2549)₁₀ is:

Correct Answer: C. (2464)₁₀

115. What is the output of MS-Excel function-

CEILING(4) 1, 3)?

Correct Answer: D. 42

116. On dividing (101011)₂ by (11)₂ the quotient and remainder respectively are:

Correct Answer: A. (1110)₂ and (1)₂

117. Which of the following is not an early Mechanical Calculation device?

Correct Answer: D. Differential Calculus

118. In MS-Word document footnote can be inserted using ................... shortcut key.

Correct Answer: B. Alt + Ctrl + F

119. It is required to refresh ................. after a certain time interval.

Correct Answer: B. Dynamic RAM

120. A 2-bit full adder circuit may be designed with the help of the following 2-input logic gates.

Correct Answer: E. *