The internet is like one big web of networks, hooking up millions of computers across the globe. When you’re online, you can chat with anyone, anywhere. Your computer once plugged into the internet, connects to tons of others, letting you grab info and share data super easily. It’s kinda like …

An operating system (often called OS or O/S) is like a middleman between your computer’s hardware and the software you want to run. Every computer needs an OS to get anything else done. Operating systems handle the basics, like figuring out what you’re typing on the keyboard, showing stuff on …

The Pen drive is a plug-and-play portable storage device that uses flash memory and is lightweight enough to attach to a key chain. A keychain drive can be used in place of a floppy disk or CD. When the user plugs the device into their USB port, the computer’s operating …

Computer memory is used to store two things: As programs or the set of instructions is kept in primary memory. In short memory unit stores: There are two kinds of computer memory: primary and secondary. Primary Memory / Internal: The primary memory of a computer is also known as its …

Input device: A computer is only useful when it can communicate with the external environment. When you work with the computer you feed your data and instruction through some devices to the computer. These devices are called input devices. In the following, some input devices have been mentioned. Keyboard: This …

Computers are initially classified into three based on electronic signal and memory size. Classification of Digital Computer: Digital computers are also classified into four types depending on size, shape, and the work they perform. Basic Operations of computer: A computer performs the following major operations irrespective of their size and …

C= Commonly O= Operated M=Machine P=Particularily U=Used for T=Technology E=Education R=Research The computer is such a thing that only the computer works around d this immobility. Nothing happens without a computer. The Computer plays a very important role in our lives. Computer Fundamentals: Introduction: The word “Computer” means “to calculate” …

When operated as a random scan display unit, a CRT has the electron bim directed only to the parts of the scan where a picture is to be drawn. Random scan monitors drown pictures one line at a time, also called vector display. The refresh rate on a random scan …

A computer system has many ways to communicate the processed information to the user. Computer graphics are one of the most effective and commonly used ways to communicate processed information through graphics objects such as picture charts graphs and diagrams. In computer graphics pictures or graphics, objects are presented as …

Conventional programming using high-level languages such as COBOL, FORTRAN, and C is commonly known as procedural-oriented programming(POP). In the procedure-oriented approach, the program is viewed as a sequence of things to be done such as reading calculating, and printing. Difference between array and pointer. Pointers are used to manipulate data …