ProblemWe are required to write a JavaScript function that takes in a balanced square bracket string, str, as the first and the only argument.Our function should compute and return the score of the string based on the following rule −[] has score 1AB has a score A + B, where ... Read More

In this post, we will understand the difference between PLA and PAL −PLAIt stands for Programmable Logic Array.Its speed is lesser in comparison to PAL.It is highly complex.It is expensive.It is not available easily.It is used less in comparison to PAL.PALIt stands for Programmable Array Logic.It has a higher speed ... Read More

In this post, we will understand the difference between SATA and PATA −PATAIt stands for Parallel Advanced Technology Attachment.It is a 40 pin connector.It is expensive.The speed of data transfer is low.It consumes more power.The size of the cable is big.It doesn’t come with hot swapping feature.External hard drives can’t ... Read More

In this post, we will understand the difference between DLP and LCD projector −DLP Projector (Digital Light Processing)It is a type of projector that uses a digital micro mirror device.One of the chip has a reflective surface that contains thousands of tiny mirrors that are coordinated with a light source.This ... Read More

In this post, we will understand the difference between NC and CNC −NC (Numerical Control)It stands for Numerical Control.The input mechanism is punched tapes and punched cards.The modification in the machine programs can be done by changing the information on punched cards.The operational parameters can’t be changed.There is no memory ... Read More

ProblemWe are required to write a JavaScript function that takes in an array of numbers, arr, as the first and the only argument.Let us consider the following situation:A shopkeeper sells a single commodity which costs exactly ₹5. Some customers are standing in a queue and will purchase exactly one unit ... Read More

ProblemWe are required to write a JavaScript function that takes in two arrays of numbers, arr1 and arr2, of the same length.Our function should shuffle the elements of the first array, arr1, such that its maximum number of elements are greater than corresponding elements of the array arr2. The function ... Read More

Fibonacci Sequence:A sequence X_1, X_2, ..., X_n is fibonacci if:n >= 3X_i + X_{i+1} = X_{i+2} for all i + 2 {    const map = arr.reduce((acc, num, index) => {       acc[num] = index       return acc    }, {})    const memo = ... Read More

ProblemWe are required to write a JavaScript function that takes in the head of a linked list as the first and the only argument.Our function should return the value stored in the middlemost node of the list. And if there are two middlemost nodes, we should return the second one ... Read More

ProblemWe are required to write a JavaScript function that takes in two arrays of numbers, arr1 and arr2, as the first and the second argument.The sum of elements in arr1 and arr2 are different. Our function should pick one element from the first array and push it in the second ... Read More