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Found 1163 Articles for Computers

1K+ Views
JPEG is a format for storing images on a computer. A lossy compression algorithm is used to store images due to which some of the data related to an image is lost. MPEG is used for compressing video files. In this article, we will discuss the difference between JPEG and MPEG. What is JPEG? The full form of JPEG is Joint Photographic Experts Group. This is a format in which two extensions are used to store an image. One of them is .jpg and the other is .jpeg. JPEG is a popular image format and there are many advantages of ... Read More

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Interrupts are the signals in the computer due to which activities of a CPU come to a halt temporarily. When an interrupt occurs, CPU concentrates on those activities which should be given priority. These interrupts are advantageous as more important events can be executed and then preference is given to other activities. Interrupts are of many types and in this article, we will discuss the difference between hardware interrupt and software interrupt. What is Hardware Interrupt? Any type of hardware can be responsible for causing the hardware interrupt. An example can be a failure of a hardware. The reason behind ... Read More

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Computers are of different types like micro, mini, mainframe, and super. All types of computers have different functions. Some of them are used as personal computers while some are used as servers, web servers, etc. In this article, we will discuss the difference between microcomputers and minicomputers. What is Microcomputer? Microcomputers can be used as personal computers which consist of a single-chip CPU, memory, I/O buses, etc. Microcomputers can be used as desktops, laptops, smartphones, tablets, etc. Only one user can use these computers at a time. Uses of Microcomputers Microcomputers have different uses and we will; discuss about them ... Read More

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The most common operations that users perform on Windows Explorer are copying, moving, renaming, and deleting files and folders. Copying and moving files are done from − Folder to folder Drive to drive Both of them are easy tasks which can be done by anybody. In this article, we will discuss the difference between copy and move files. What is Copy File? When a file is copied from one location to the other, a copy remains at the original location. If a file is copied and pasted on the same location Windows adds "Copy" at the end of ... Read More

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A keyboard is an input device which is used in computers and typewriters to type different types of alphabets, numerals, and symbols. In the case of computers, the characters typed through the keyboard are visible on the screen. Previously, keyboards were used only for typing but now games can also be played. Keyboards are of many types and in this article, we will discuss the difference between mechanical and membrane keyboards. What is a Membrane Keyboard? A membrane keyboard consists of three layers of membrane. The location of each key is different on the three-layered membrane. The membrane is sensitive ... Read More

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Introduction In computer networking, a network switch is a device that connects network devices together to enable communication within a network. Switches are an essential component of any modern network, and they provide a way to manage network traffic by directing data to appropriate device. Access and trunk ports are two types of ports used on switches to manage network traffic. In this article, we will discuss access and trunk ports, their differences, and when to use them. What are Access and Trunk Ports? Access ports and trunk ports are two types of ports used on network switches. Access ... Read More
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Sometimes to maintain the uniqueness of all values available in a workbook, we require to eliminate duplicate values from the dataset. A case of duplicity may arise when there are two columns having email addresses and you want to find the repeating ones in one of the columns. This can be achieved using the below steps. Comparing two columns of Email Addresses to Find the Same values using Formula Step 1: We have taken a sample data as following. Here we have taken two columns having some email addresses and a third column in which we will display ... Read More
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In this article we will learn how to compare values of two columns to get the values from the third column. For example, we have taken a column with Class Names and along with each class name, student name has been written in another column. Now, we will get the students name in another column against some randomly taken class names. Let’s see how this can be achieved using an excel formula. Compare two columns and getting value from third column with VLOOKUP function Step 1: We have taken the following sample data for comparison. Step ... Read More
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For instance, we have two columns in a data set having some names. And now we want to identify what names are repeating in either list. For this, we can apply a formula in two other columns, to get the unique values of both the columns. Let’s see how we can achieve this. Compare two columns and list differences with formulas Step 1: We have taken the following sample data for comparison. Step 2: Enter the formula in E2 cell as mentioned below. This formula will return the unique names of column 1, which are not ... Read More
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When we have a bunch of data and need to compare rows and columns to maintain uniqueness then we might need to apply multiple formulas to the dataset. For instance you have two or more columns and want to compare the values of each row of all columns and return Yes or True of they get matched completely. This can be achieved using the below steps. Compare two cells of two columns and return yes if they are perfectly Matched using Formula Step 1: We have taken the following sample data with some random details. After comparing each ... Read More