Uninterrupted Power Supply (UPS)
UPS provides backup power for a computer when the electrical power fails. Small UPS units are equipped with a battery and a sensor. If the sensor detects a loss of power, it immediately switches over to battery so that user has enough time to save his or her work and shut of the computer.
There are five types of UPS:
i. Stand by
ii. Line interactive
iii. Stand by Ferro
iv. Double conversion online
v. Delta conversion online
1. Which of the following is not a control structure? A. Loop B. Process C. Decision. D. None of these Answer: () 2. For performing the addition of two numbers, which of the following symb
Q1. The purpose of communication is to help officials to -----------------the employees. A. Eliminate B. Motivate C. Threaten D. Apprise Ans: B Q2. What is the number of elements i
Red Fort The Red Fort is a verifiable stronghold in the national capital of New Delhi. Situated in the focal point of the city, it was the principle living arrangement of the rulers of the Mughal line
