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Found 1259 Articles for Computers
![Mahesh Parahar](https://www.tutorialspoint.com/assets/profiles/127878/profile/60_2277600-1655382864.jpg)
8K+ Views
JPEG and PNG both are a type of image format to store images. JPEG uses lossy compression algorithm and image may lost some of its data whereas PNG uses lossless compression algorithm and no image data loss is present in PNG format.Following are the important differences between JPEG and PNG.Sr. No.KeyJPEGPNG1Stands forJPEG stands for Joint Photographic Experts Group.PNG stands for Portable Network Graphics.2Compression Algorithm typeJPEG uses lossy compression algorithm.PNG uses lossless compression algorithm.3Image QualityJPEG image may lose some image data causing quality loss.PNG image is of high quality.4Image sizeJPEG image is generally smaller than PNG image of same image.PNG image ... Read More
![Kiran Kumar Panigrahi](https://www.tutorialspoint.com/assets/profiles/390736/profile/60_2598-1635242143.png)
4K+ Views
FTP is used for copying files from one host to another host location. FTP works on Port 20 and 21. Port 20 is used for data and Port 21 is used for connection control.TFTP is lighter than FTP and is used when a file transfer functionality is needed without FTP features. It works on Port 69 and follows the UDP protocol.Read through this article to find out more about FTP and TFTP and how they are different from each other.What is FTP?FTP stands for File Transfer Protocol. It is a client/server protocol for sending files to and from a host ... Read More
![Kiran Kumar Panigrahi](https://www.tutorialspoint.com/assets/profiles/390736/profile/60_2598-1635242143.png)
33K+ Views
Files and folders are the two related terms in a computer's file managers. The term "file" is used to denote a collection of information, while the term "folder" is used to represent a collection of files. Basically, a folder is similar to a container that contains one or more files. A folder can also contain other folders in it, which are referred to as sub-folders. There are several types of file types such as text document, spreadsheet, presentation, image, video, etc In this article, we will discuss the major differences between a file and a folder. Let's start with a ... Read More
![Kiran Kumar Panigrahi](https://www.tutorialspoint.com/assets/profiles/390736/profile/60_2598-1635242143.png)
7K+ Views
Spoofing is an identity theft where a person tries to use the identity of a legitimate user. Phishing, on the other hand, is a phenomenon where an attacker employs social engineering methods to steal sensitive and confidential information from a user. Spoofing and phishing are both forms of cyber-attacks aimed at tricking you into disclosing your personal information. Both methods will be used by a criminal to gain your user names, passwords, and maybe more. Despite the fact that their final aim is the same, their techniques are not. Read through this article to find out more ... Read More
![Kiran Kumar Panigrahi](https://www.tutorialspoint.com/assets/profiles/390736/profile/60_2598-1635242143.png)
12K+ Views
In a computer system, several types of secondary storage devices like HDD, CD, DVD, etc. are used to store permanent data and information. These devices can be categorized into two types namely – magnetic memory and optical memory. A magnetic memory like HDD consists of circular disks made up of non-magnetic materials and coated with a thin layer of magnetic material in which data is stored. On the other hand, optical disks are made up of plastic and consist of layers of photo-sensitive materials in which the data is stored using optical effects. A major advantage of the magnetic disk ... Read More
![Kiran Kumar Panigrahi](https://www.tutorialspoint.com/assets/profiles/390736/profile/60_2598-1635242143.png)
754 Views
A projector is a visual display unit that is used to project pictures and films onto a screen. Depending on the technology used, several types of projectors available such as LCD projector, LED projector, DLP projector, 4K Projector, Laser projector, etc. In this article, we will discuss about DLP and LCD projectors, and how they are different from each other. The basic difference between the two is that DLP projectors use a series of mirrors placed on a microchip that act as pixels, whereas LCD projectors use liquid crystals placed between two transparent electrodes and two polarizing filters. What is ... Read More
![Kiran Kumar Panigrahi](https://www.tutorialspoint.com/assets/profiles/390736/profile/60_2598-1635242143.png)
6K+ Views
Both compilers and assemblers are the language processors used to convert software codes written in high-level language and assembly language into machine language codes. Compiler and assemblers are the types of system software. These are required because a computer cannot process a code written in high-level programming language like C, C++, Java, etc. and assembly language. Therefore, it is necessary to convert an HLL or assembly code into machine code for execution. In this article, we will highlight all the key differences between compilers and assemblers. Let's start with some basics of compiler and assembler so that it will ... Read More
![Kiran Kumar Panigrahi](https://www.tutorialspoint.com/assets/profiles/390736/profile/60_2598-1635242143.png)
19K+ Views
The terms web browser and web server are very common in the field of computer science and Internet, however people often get confused between the two. The most basic difference between a web browser and a web server is that a web browser is an application software which is used to browse and display webpages available over the Internet, whereas a web server is a software hosted on a dedicated computer which provides these documents when requested by web browsers. Read through this article to know more about web browsers and web servers and how they are different from each ... Read More
![Kiran Kumar Panigrahi](https://www.tutorialspoint.com/assets/profiles/390736/profile/60_2598-1635242143.png)
20K+ Views
A Server is a central place where information and programs are stored and accessed by applications over the network. A Web Server is a server which accepts a request for data and sends the relevant document in return, whereas an Application Server contains an EJB container component as well to run the enterprise applications. In this article, we will discuss the important differences between web server and application server. But before that, let’s have a look into their basics so that it will be easy to understand the differences. What is a Web Server? A Web Server is ... Read More
![Kiran Kumar Panigrahi](https://www.tutorialspoint.com/assets/profiles/390736/profile/60_2598-1635242143.png)
1K+ Views
DDR stands for Double Data Rate. The DDR RAM is capable of transferring data on both edges, i.e. falling edge and rising edge of the clock pulse. Thus, it doubles the data transfer rate, hence it named so. The DDR RAM also comes in several versions (or generations), such as DDR, DDR2, DDR3, DDR4, etc. Each version/generation of the DDR RAM offers enhanced performance in terms of speed, storage capacity, energy efficiency, etc. In this article, we will discuss the two generations, i.e., DDR2 and DDR3 of the DDR RAM, and the important differences between them. What is DDR2? DDR2, ... Read More