# Author Archives: Narayan Changder

## Aptitude test

By | May 22, 2019

Averages Interest Number System Percentage Progression Ratio

## UGC net previous solution

By | May 18, 2019

2006 JUNE paper 1 solution 2006 December paper 1 solution 2007 June NET paper 1

## Clocks Calender and Age

By | April 20, 2019

## Logical reasoning hub

By | April 20, 2019

Blood relation Clock calendar and age

## UPSC corner

By | October 31, 2018

UPSC preliminary Preperation All about  UPSC preliminary  Preparation for 2019 aspirants. The page contains solutions of previous 34 years  preliminary papers with explanations, topic wise Quizzes, notes/tutorials and important mock test links for preparation. UPSC Preliminary MOCK TEST series UPSC previous year solution UPSC preliminary GS paper 2018 UPSC preliminary GS paper 2017 UPSC preliminary… Read More »

## UPSC Preliminary mock test

By | October 27, 2018

All about UPSC Civil Services Preliminary Exam General Studies Paper Preparation for 2019 aspirants. The page contains mock test for  UPSC Civil Services Preliminary Exam papers . More mock test coming soon. We will update everyday 1 mock test. Good luck Mock test 1 Mock test 2 Mock test 3

## computer science study materials

By | September 24, 2018

Computer Science and Engineering studymaterials. All CSE Practice questions 10000 Operating system MCQ 9000 computer network MCQ  Data structure and Algorithm

Category: CSE

## Sign Magnitude – A simple approach

By | July 6, 2018

With sign magnitude we denote  one of the bits ( left one, also known as the most significant bit-MSB) to indicate whether a number is positive or negative. Usually  we set MSB ‘0’  to indicate the number is positive and a ‘1’ indicates the number is negative. Using this method we get the following: MSB… Read More »