Hardware And Software.....

A computer system comprises hardware and software.

HARDWARE:
Hardware is best described as a device that is physically connected to your computer or something that can be physically touched. A CD-ROM, Monitor, Printer, and video card are all examples of computer hardware. Without any hardware your computer would not exist and software would have nothing to run on. The image to the right is of a webcam, an example of an external hardware peripheral that allows users to make videos or pictures and transmit them over the Internet.

* circuit boards

* processors

* keyboard

SOFTWARE:
Software is a collection of instructions that enables a user to interact with the computer or have the computer perform specific tasks for them. Without any software the computer would be useless. For example, you wouldn't be able to interact with the computer without a software operating system. Almost all software purchased at a retail store and online is included in a box similar to the one shown to the right, this box usually contains all the disks (floppy diskette, CD, DVD, or Blu-ray) required to install the program onto the computer, manuals, warranty, and other important documentation. In the picture to the right, is an example of what a Microsoft Excel software box would look like.

* operating system

* editor

* compilers

* a Fortran 90 program

www.portal.kmpk.matrik.edu.my
en.wikipedia.org/wiki/Hardware
en.wikipedia.org/wiki/Computer_software
http://www.liv.ac.uk/HPC/HTMLF90Course/HTMLF90CourseSlidesnode3.html
http://www.computerhope.com/jargon/h/hardware.htm
http://www.computerhope.com/jargon/s/software.htm

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