Prerequisite – Message authentication codes Apart from intruders, the transfer of message between two people also faces other external problems like noise, which may alter… Read More »

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Data Mining: Data mining in general terms means mining or digging deep into data which is in different forms to gain patterns, and to gain… Read More »

There were 4 rounds in total . 3 Technical + 1 HR . Every round is elimination round Round 1: He asked my 2 algorithmic… Read More »

Given an array with key, value pair, we need to move specific value upwards or downwards using the key. Examples: Input : $continents = array(… Read More »

Round 1: Design a File System. The interviewer was looking more for the data structures I would use, if I have to build my own… Read More »

Create a function that prints multidimensional array size by dimenstions i.e.: Examples: Input : int a[2][3][4]; printDimensions(a); Output : 2x3x4 Input : int b[5][6]; printDimensions(a);… Read More »

Prerequisite – Basic Computer Instructions, Instruction Formats An instruction format defines the different component of an instruction. The main components of an instruction are opcode… Read More »

Prerequisite – Turing Machine The language L = {wwr | w ∈ {0, 1}} represents a kind of language where you use only 2 character,… Read More »

Prerequisite – Turing Machine The language L = {0n1n2n | n≥1} represents a kind of language where we use only 3 character, i.e., 0, 1… Read More »

ls | wc command : Using ls|wc, we can count new lines, words and letters of all files of current directory. We can see from… Read More »

Problem – Write a program in 8086 microprocessor to find out the largest among 8-bit n numbers, where size “n” is stored at memory address… Read More »

C# is a general-purpose, modern and object-oriented programming language pronounced as “C sharp”. It was developed by Microsoft led by Anders Hejlsberg and his team… Read More »

Given an array of numbers of size N and Q queries. Each query or a range can be represented by L (LeftIndex) and R(RightIndex). Find… Read More »

Given a set of N integers. Find how many subsets of given array have sum between A and B(inclusive). Constraints: 1 ≤ 34 ≤ N,… Read More »

The fabs() function returns the absolute value of the argument. Mathematically |a|. If a is value given in the argument. Syntax: double fabs(double a); float… Read More »

What is the probability that a randomly selected bit string of length 10 is a palindrome? (A) 1/64 (B) 1/32 (C) 1/8 (D) 1/4 Answer:… Read More »

Booth’s algorithm is a multiplication algorithm that multiplies two signed binary numbers in 2’s compliment notation. Booth used desk calculators that were faster at shifting… Read More »

Given an array of N(always a power of 2) elements and Q queries. Every Query consists of two elements index and value.. We need to… Read More »

Consider the following program fragment if(a > b) if(b > c) s1; else s2; s2 will be executed if (A) a c (C) b >=… Read More »

In QuickSort, ideal situation is when median is always chosen as pivot as this results in minimum time. In this article, Merge Sort Tree is… Read More »