UNIT 2- IT SYSTEMS

We use a (a)   to type text into the computer.

The CPU performs most of the calculations that enable a computer to function. It is sometimes referred to as the ‘ (a)   ’ of the computer.

The (a)   contains the main components of a computer. It has also been erroneously called the CPU.

A (a)   flash drive is a portable device.

Two computer input devices are keyboard and (a)   .

Two computer output devices are monitor and (a)   .

The piece of equipment that ties everything together and allows all the parts of your computer to receive power and communicate with one another is the (a)   .

The physical devices of a computer are called ‘computer hardware’. Computer programs and operating systems are called (a)   .

A group of interconnected computers that can communicate with each other and share resources is called a computer (a)   .

A computer network covering a small physical area, like a home, office, or a small group of buildings, such as a school, is called a _____ ____ ______ (LAN).

(a)