NIELIT 2020 : Revision Quiz 5

Priya starts walking in the north direction and after walking some distance, she took a left turn followed by a right turn. After that, she took two consecutive left turns, now she is walking in which direction?

The average speed of a bus was slowed down by 15km/hr for bad weather in the journey. As a result, the bus reached the destination by 20 minutes late. If the total distance was 450 km, find the normal time required to reach the destination.

Given pointer to a node X in a singly linked list. Only one pointer is given, pointer to head node is not given, can we delete the node X from given linked list?

When transaction Ti requests a data item currently held by Tj, Ti is allowed to wait only if it has a timestamp smaller than that of Tj (that is, Ti is older than Tj). Otherwise, Ti is rolled back (dies). This is

The Boolean expression Y = (A + B’ + A’B)C’ is given by ?

If P(X) = 1/4, P(Y) = 1/3, and P(X ∩ Y) = 1/12, the value of P(Y/X) is

A population consists of the five numbers 2,3,6,8,11. Calculate the mean & standard deviation of the population.

The main advantage of pre-emphasis circuit in FM transmitter is