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Data Encryption Standard, or DES, is a type of encryption cipher that shields and disguises sensitive information, so it can't be seen or retrieved by cyberattacks.DES can be described as a block cipher, encryption/ symmetric -key algorithm. A symmetric key means the same algorithm/key is used for encryption and decryption. On the other hand, asymmetric keys use two different keys – one public and the other private, respectively.History of DES and Current SituationDES was developed in 1971 by Horst Feistel, a cryptography researcher working at IBM. It was based on "LUCIFER, " the Feistel block cipher, 16 rounds of which ... Read More
One of the most valuable degrees in the business sector is the MBA. It teaches business skills and prepares candidates for solving business problems. We can get many high-paying careers after pursuing them. That's why it has been a lucrative option for many students to pursue an MBA. In this article, we will learn about the MBA, different types of job profiles after the MBA, and the highest-paying careers after pursuing the MBA. About MBA MBA is a master's degree program that teaches us business skills. This degree is generally a two-year program offered by B-schools. The main aim ... Read More
This tutorial will discuss how to write swift program to 8 star pattern. Star pattern is a sequence of “*” which is used to develop different patterns or shapes like pyramid, rectangle, cross, etc. These star patterns are generally used to understand or practice the program flow controls, also they are good for logical thinking. To create a 8 star pattern we can use any of the following methods − Using nested for loop Using stride Function Below is a demonstration of the same − Input Suppose our given input is − Num = 5 Output The ... Read More
What has to be done after B.Com? Is it an M.Com? or an MBA, hop onto a corporate job, or something else? These questions trouble many students who face difficulty in choosing the right career path after doing a B.Com degree. Many of them end up choosing the wrong path, which they regret later, either because it’s not high-paying or creative enough. So, it is advisable to know everything appropriately before making your career decision. In this article, we will learn about what is B.Com and what are the different options available after B.Com? What is B.Com? B.Com is ... Read More
This tutorial will discuss how to write swift program to print Hello World. Hello world programs are the most basic program of any programming language. It is used to learn how we can simply print “Hello world” on the screen using Swift language. Example Hello world program The following program shows how to print hello world. import Swift // Printing hello world print("Hello World") Output Hello World Here we simply print hello world on the output screen using print() function. The syntax of Swift is quit easy and time saver. Like other languages you did not required ... Read More
This tutorial will discuss how to write Swift program to convert the decimal number to binary using recursion. Decimal numbers are those numbers whose base value is 10. Decimal numbers are also known as base-10 number system which contain 10 numbers: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9. Here, the position of every digit in the decimal number has weight is a power of 10. Binary numbers are those numbers whose base value is 2. Binary numbers are also known as base-16 number system which contain only two number 1 and 0. Here, the position of every ... Read More
Bank of America is a prestigious multinational investment and financial services company. It is one of the top banks and corporations based in the USA, with headquarters in Northern California. This organization can offer lucrative opportunities, salaries, and a top-end career. However, getting an interview call from Bank of America is a tough nut to crack. With the right mindset and strategy, you can ace your interview. Here, in this blog, you will get every detail about the interview process. So read on − Bank of America Interview Process The interview with BOA consists of four rounds. The rounds are ... Read More
Introduction Various concepts are associated with the understanding and working of blockchain networks. These concepts help us understand various processes related to blockchains and other related things. To evaluate the value of blockchain technology in various businesses, these firms need to learn and put these concepts into practice. Using smart contracts, blockchain networks have carried out various transactions and stored the related information safely. No alteration or deletion is possible by any other person or group save for the authority that deals with it. What is the need to understand the concepts of Blockchain? The learning of theory helps in ... Read More
This tutorial will discuss how to write swift program to find the GCD of two given numbers using recursion. GCD(Greatest Common Factor) of two numbers is known as the greater positive number which is the common factor of both the given two positive numbers. GCD is also known as HCF(Highest Common Factor). GCD of two numbers cannot be negative or zero and the minimum GCD value of two numbers is always 1. For example, suppose we have two numbers: 16 and 24 So the factor of 16 = 2x2x2x2 The factor of 24 = 2x2x2x3 So, GCD(16, 24) = 2x2x2x2 ... Read More
This tutorial will discuss how to write swift program to find the reverse of a given number using recursion. Reversing a number is a process in which the position of the digits of a number is interchanged to reverse their order. To find the reverse of the number we use recursive approach. Recursive approach is an approach in which a function call itself to complete the specified task. Below is a demonstration of the same − Input Suppose our given input is − MyVal = 278938 Output The desired output would be − Reverse number = 839872 Method ... Read More