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Each operating system has its own advantages and disadvantages, let us discuss in general the benefits and drawbacks of operating systems.AdvantagesThe advantages of Operating system are as follows −Computing Source − OS acts as an interface between the user and the hardware. It allows users to perform different tasks like input data, process the operation, and access the output. With the help of an operating system, users can communicate with computers to perform various functions like arithmetic calculations.User-Friendly Interface − Whenever the Windows operating system came into existence with Graphical User Interface (GUI), it became user friendly. It also helps ... Read More
The operating system is a software which handles the computer's functionality like scheduling, input/output operation, resource allocation, file system manipulation, etc. and it acts as an interface between the user and hardware.The different types of operating systems are as follows −Batch Operating SystemMultiprogramming Operating SystemMultitasking Operating SystemMultiprocessing Operating SystemReal time Operating SystemLet us discuss the embedded operating system.Embedded Operating systemAll Embedded Systems are task specific. They mostly do a particular task on loop/repeatedly for their entire lifetime. These systems are designed to execute their task within a particular time interval, and thus they have to be fast enough to be ... Read More
The operating system is a software which handles the computer's functionality like scheduling, input/output operation, resource allocation, file system manipulation, etc. and it acts as an interface between the user and hardware.The different types of operating systems are as follows −Batch Operating SystemMultiprogramming Operating SystemMultitasking Operating SystemMultiprocessing Operating SystemReal time Operating SystemNow let us discuss the Network operating system.Network Operating SystemThe OS specializes in network devices such as a router, switch, or firewall. The OS manages these network resources. The OS supports workstations, Personal Computers (PCs), older terminals connected on a Local Area Network (LAN).Examples of Network OSs are Microsoft ... Read More
The operating system is a software which handles the computer's functionality like scheduling, input/output operation, resource allocation, file system manipulation, etc. and it acts as an interface between the user and hardware.The different types of operating systems are as follows −Batch Operating SystemMultiprogramming Operating SystemMultitasking Operating SystemMultiprocessing Operating SystemReal time Operating SystemNow, let us discuss the Real time operating system.Real-time operating systemAll real time operating systems are designed to execute their task within a particular time interval, and thus they have to be fast enough to be up to their deadline.Time constraints related with real-time systems simply means that time ... Read More
The different types of operating systems are as follows −Batch Operating SystemMultiprogramming Operating SystemMultitasking Operating SystemMultiprocessing Operating SystemReal time Operating SystemNow, let us discuss the Multi-processor operating system.Multiprocessor Operating systemMultiprocessor system means, there are more than one processor which work parallel to perform the required operations.It allows the multiple processors, and they are connected with physical memory, computer buses, clocks, and peripheral devices.The main objective of using a multiprocessor operating system is to increase the execution speed of the system and consume high computing power.AdvantagesThe advantages of multiprocessor systems are as follows −If there are multiple processors working at the ... Read More
In this article, we are given a problem, we are given an array, and there are two types of queries we need to answer.Type 0 − we have to calculate the number of greater elements than or equal to x(given value).Type 1 − we have to calculate the number of strictly greater elements than x(given value).So here is a simple example −Input : arr[] = { 10, 15, 30 , 40, 45 } and Q = 3 Query 1: 0 50 Query 2: 1 40 Query 3: 0 30 Output : 0 1 3 ... Read More
In this article, we have given a problem in which we are given an array of integers, and we are tasked to find the bitwise AND of the given ranges, for example 7minus;Input: arr[ ] = {1, 3, 1, 2, 32, 3, 3, 4, 4}, q[ ] = {{0, 1}, {3, 5}} Output: 1 0 0 1 AND 31 = 1 23 AND 34 AND 4 = 00 Input: arr[ ] = {1, 2, 3, 4, 510, 10 , 12, 16, 8}, q[ ] = {{0, 42}, {1, 33, 4}} Output: 0 8 0We are going to apply the brute ... Read More
A pentagonal pyramidal number is equal to the number of items in a pentagonal base pyramid. Look at some Pentagonal numbers below.Sum of Pentagonal Numbers till N equals to Nth Pentagonal Pyramidal Number. In this article, we will discuss finding the Nth Pentagonal Pyramidal number, for exampleInput : N = 4 Output : 40 Explanation : Sum of first four pentagonal numbers 1, 5, 12, 22 is 40. Input : N = 6 Output : 126 Explanation : Sum of first four pentagonal numbers 1, 5, 12, 22, 35, 51 is 40.Approach to find The SolutionSimple ApproachAs per the ... Read More
In the given problem, we are given an integer n we need to find Pn, i.e., the pell number in that position. Now, as we know, pell number is a part of a series given by this formula −Pn = 2*Pn-1 + Pn-2With first two starting numbers − P0 = 0 and P1 = 1Approach to find The SolutionNow we will solve this problem by two approaches: recursive and iterative.Recursive ApproachIn this formula, we will recursively apply the formula of Pell Number and do n iterations.Example#include using namespace std; int pell(int n) { if(n
Discuss a problem based on expanding the matrix. Expanding matrix is a matrix whose size continuously increases by some factor.Here we have a matrix of characters whose size is expanding by a factor of 2, i.e., if the original size of the matrix is N * N, then the size of the expanded matrix becomes 2N * 2N. We are given a sequence of characters present at ( i, j ), and we need to return the sequence of characters present at (i, (j - N - 1)%N).Let’s understand by visualizing some initial expanded matrix, Given Matrix -> [ a, ... Read More