তথ্য প্রযুক্তি

Microsoft's first wildly successful operating system was MS - DOS (Microsoft Disk Operating System), which was written for IBM in 1981

Voice over Internet Protocol (VoIP), is a technology that allows you to make voice calls using a broadband Internet connection instead of a regular (or analog) phone line.

At its core, electronic commerce or e - commerce is simply the buying and selling of goods and services using the internet, when shopping online. In the 1990s, retailers discovered a new way to conduct business—the internet.

Cache memory একটি chip - based computer উপকরন যা temporary storage areaর মত কাজ করে যাতে cpu এর মধ্যে দরকারি data সাময়িকভাবে সংরক্ষন করা থাকে।

Defragmentation involves rearranging the information on a disk so that files appear in continuous sequences of clusters.

The three most common operating systems for personal computers are Microsoft Windows, macOS, and Linux. Modern operating systems use a graphical user interface, or GUI (pronounced gooey).

DOS stands for Disk Operating System and is the computer program no personal computer can do without. . All personal computers require at least one disk drive on which are stored “files”. A file can be either a set of computer instructions, a program, or files of data in either numerical or alphabetical form.

An input device is a hardware component of a computer system that is used to input data and commands into the computer. It allows the user to communicate with the computer and provide instructions for processing data. Some common examples of input devices include keyboards, mice, scanners, digital cameras, microphones, and touchscreens.An output device is a hardware component of a computer system that is used to display or produce the results of the computer's processing. It takes data from the computer and converts it into a human-readable or perceivable form, such as text, images, sound, or video.Some common examples of output devices include monitors, printers, speakers, headphones, projectors, and haptic feedback devices.

Fortran is a programming language that was designed for scientific and engineering applications. It is one of the oldest high-level programming languages and is still widely used today for numerical computations and simulations.Java is a popular programming language that is used for developing web and mobile applications, games, and other software. Java is known for its platform independence, which means that Java programs can run on any device that has a Java Virtual Machine installed.Oracle is a company that develops and sells a wide range of software products, including databases, middleware, and enterprise software. Oracle also develops the Java programming language and provides various tools and technologies for building and deploying software applications.C++ is a programming language that is widely used for developing operating systems, device drivers, video games, and other software applications. C++ is known for its speed and efficiency, and is a popular choice for performance-critical applications. C++ is an object-oriented programming language, which means that it supports features such as classes, inheritance, and polymorphism.