“Brain of the computer” is commonly known as the processor or central processing unit (CPU). CPU is actually the place where most of the activity that has been done by the computer is processed. There are two subunits of the CPU that are

A computer is normally defined as device whose mechanism works after receiving an instruction from an application, software or a program. Data can be processed by it and it can also alter its own program instructions and act upon the calculations

Information technology is the technology that uses computing with high-speed communication links to spread information from one place to another. The interconnection of computer enables people to send and receive information. The communication

Different components of a computer system are as follow: Input devices: A hardware component used to enter data and instruction into computer is called input device. Most commonly used input devices are keyboard, mouse, microphone, scanner,

A machine that can accept and process data with the help of a program and can convert that data into useful information to use anytime later or at the same time is known as computer. A computer consists of hardware and software. The machine is