Sunday, 13 March 2016

definition of floppy disk / what is floppy disk

A flexible removable magnetic disk (typically encased in a hard plastic shell) for storing data.

what is system fan/ definition of system fan

A computer fan is any fan inside, or attached to, a computer case used for active cooling, and may refer to fans that draw cooler air into the case from the outside, expel warm air from inside, or move air across a heat sink to cool a particular component.

Definition of power supply unit/ what is power supply unit

The power supply unit in a computer converts the power from the wall outlet to the type of power needed by the computer. It sends power through cables to the motherboard and other components.

Definition of mother board/What is mother board

The motherboard is the computer's main circuit board. It's a thin plate that holds the CPU, memory, connectors for the hard drive and optical drives, expansion cards to control the video and audio, and connections to your computer's ports (such as USB ports). The motherboard connects directly or indirectly to every part of the computer.

Definition of CPU/What is CPU/full form of CPU

The central processing unit (CPU), also called a processor, is located inside the computer case on the motherboard. It is sometimes called the brain of the computer, and its job is to carry out commands. Whenever you press a key, click the mouse, or start an application, you're sending instructions to the CPU.

Basic Parts of Computer

The basic parts of a desktop computer are the computer case/Base unit, monitor,keyboard, mouse, and power cord.and also one of Printer. Each part plays an important role whenever you use a computer.



The parts inside computer case/Base unit.

The computer case is the metal and plastic box that contains the main components of the computer. It houses the central processing unit (CPU), Mother Board, Power Supply, System Fan, Floppy Disk, Heat Sink, Hard Drive, Optical Drive and Ram.
Moniter.

It is out put device which we give the result after data processing.

Keyboard.

   It is an input device when we input information inside the computer we get the results by output device moniter.

Mouse.

It is also input device it has three button one right one left and one in middle.

Printer.

It is output device which we get the print on a paper like text, picture.

Wednesday, 9 March 2016

windows release date and how many types of operating software and other os release date.

The first window system was come in 1980. Over the years. There have been many different version of window come in market like the most recent once are windows 2010 release in 2015, window 8 release in 2012, windows7 in 2009,windows vista in 2007.

There are mainly three types of operating system, like windows, Mac X and last one is Linux.