Prerequisite – Representation of Negative Binary Numbers 1’s complement of a binary number is another binary number obtained by toggling all bits in it, i.e.,… Read More

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Given a positive integer, check if the number is prime or not. A prime is a natural number greater than 1 that has no positive… Read More

class Test { public static void main(String args[]) { String s1 = "geeksquiz"; String s2 = "geeksquiz"; System.out.println("s1 == s2 is:" + s1 == s2);… Read More

The idea is to automate the manual process of registration of courses. This system provides a number of functionalities pertaining to COURSE REGISTRATION for the… Read More

Literally speaking, MMU is ‘Memory Management Unit’ while MPU is ‘Memory Protection Unit’. Both of these are specialized hardware which are used by CPU for… Read More

Question: A newspaper made of 16 large sheets of paper folded in half. The newspaper has 64 pages altogether. The first sheet contains pages 1,… Read More

Given a circle (coordinates of centre and radius) and a point (coordinate), find if the point lies inside or on the circle, or not. Examples… Read More

The prime motive is to create a framework to get updates in real time. The updates can be news updates, emergency traffic alerts or an… Read More

The project is about providing fast transfer of medical images to/from rural areas where bandwidth is low. The idea is to keep model medical images… Read More

Basics of Relational model: Relational Model Relational Algebra is a procedural query language which takes relations as an input and returns relation as an output.… Read More

Python is a widely used general-purpose, high level programming language. It was created by Guido van Rossum in 1991 and further developed by the Python… Read More

Given an integer, find the most occurring digit in it. If two or more digits occur same number of times, then return the highest of… Read More

Round 1: Aptitude Test This test consisted of all the various aptitude problems from variety of topics like puzzles, arithmetic & geometric series, permutation–combination, clocks… Read More

MongoDB, the most popular NoSQL database, is an open-source document-oriented database. The term ‘NoSQL’ means ‘non-relational’. It means that MongoDB isn’t based on the table-like… Read More

Given a sorted array of integers and a number k, write a function that returns true if given array can be divided into pairs such… Read More

Pick the best statement for the below program: #include "stdio.h" int size = 4; int arr[size]; int main() { if(arr[0]) printf("Initialized to ZERO");… Read More

Pick the best statement for the below program: #include "stdio.h" void fun(int n) { int idx; int arr1[n] = {0}; int arr2[n]; for… Read More

Given a number as string, remove recurring digits from the given string. The changes must be made in-place. Expected time complexity O(n) and auxiliary space… Read More

Recently Zillious visited our campus and take three rounds for final selection. Written Round : 25 MCQ’s based on C & C++ output, OS, CN… Read More

Given a string, that contains special character together with alphabets (‘a’ to ‘z’ and ‘A’ to ‘Z’), reverse the string in a way that special… Read More