Computer

A computer is a machine that uses electronics to input, process, store, and output data. Data is information such as numbers, words, and lists. Input of...

Computer science is the science of information. Computer scientists study different ways of reading, using, and encoding information. There are many different...

A personal computer (PC) is the common name for a type of computer that is most popular in offices and homes. The first PC called the "IBM PC" was made...

A computer program is a list of instructions that tell a computer what to do. Everything a computer does is done by the instructions of a program. The...

A computer mouse is an input device which is used with a computer. Moving a mouse along a flat surface can move the cursor to different items on the screen...

Computer animation (or CGI animation) is the art of using computer graphics for animation, creating moving images in either 2D or 3D. Computer-generated...

A computer virus is a program that is able to copy itself when it is run. Often, computer viruses are run as a part of other programs. Any program that...

A computer network is a group of two or more computers that are linked together. Networks are usually used to share resources, to exchange files, or to...

This allows the CPU direct access to the computer program. Memory is needed in all computers. A computer is usually a binary digital electronics device...

A computer keyboard is an input device that allows a person to enter letters, numbers, and other symbols (together, these are called characters) into a...

Computer-generated imagery (CGI) is using computer graphics, especially in movies. These images are used for special effects, simulation, and commercials...

A computer monitor is an electronic device that shows pictures for computers. Monitors often look like smaller televisions. The main difference between...

Computer engineering is the practice of making computers and their parts. Computer engineers are always trying to make new parts smaller and better. They...

A computer-based predictive model is a computer program that is designed to simulate what might or what did happen in a situation. They are used in many...

central part of an operating system. It manages the operations of the computer and the hardware, most notably memory and CPU time. Kernels also provide...

Computer hardware or hardware means the physical parts that make up a computer. Some examples are: Central processing unit (CPU) Random-access memory (RAM)...

Computer graphics are visual representations of data, made with the help of computers. Computer graphics can be a series of images (video or animation)...

Analogue computers are mechanical or electronic devices which solve problems. some are used to control machines. They were once the only way a machine...

Human-computer interaction (often shortened to HCI) is a field of computer science that looks at the ways in which a human uses a computer and interacts...

Computer speakers are speakers external (meaning that they are on the outside) to a computer. Speakers contain amplifiers which vibrate to produce the...