Time Left - 15:00 mins

NIELIT STQC 2021 Quiz-26

Attempt now to get your rank among 116 students!

Question 1

In a bulb factory, Probability of producing 1 defective bulb in a day is 0.2, probability of producing 2 defective bulb in a day is 0.4 and probability of producing 3 defective bulb in a day is 0.3.Find the variance of number of defective bulb produced in a day.

Question 2

What is the number of vertices in an undirected connected graph with 39 edges, 7 vertices of degree 2, 2 vertices of degree 5 and remaining of degree 6?

Question 3

A connected planar graph having 6 vertices, 7 edges contains _____________regions.

Question 4

Let A, B, C, D be n × n matrices, each with non-zero determinant. If ABCD=1, then B-1 is :

Question 5

In a __________ index, an index entry appears for only some of the search-key values.

Question 6

Which of the following is the minimum number of 2X1 MUX required to implement 2n X 1 MUX?

Question 7

When there is a reduce/reduce conflict?

Question 8

In ____________ mapping, the data can be mapped anywhere in the Cache Memory.

Question 9

Scheduling is done so as to ____________

Question 10

Consider two hosts X and Y connected by a single direct link of rate 106 bits/sec. The distance between the two hosts is 10,000 km and the propagation speed along the link is 2 x 108 m/sec. Host X sends a file of 50,000 bytes as one large message to host Y continuously. Find the propagation delay of the link.



  • 116 attempts
  • 0 upvotes
  • 2 comments
Aug 3GATE & PSU CS