Hardware and Software

A computer system consists of hardware and software. Hardware is the equipment, which makes up the computer system. Hardware consists of:

    - Input devices such as keyboard, mouse, joystick             

    - Output devices such as a printer, monitor, graph plotter             

    - Backing storage devices such as disc drive, hard drive             

    - Media such as discs, tapes, paper etc            

 A tracker ball mouse is an input device and similar to a mouse but the ball is set into a cup on the top of the unit. A finger or, on larger tracker balls the palm of the hand, is used to roll the ball in any direction. The ball controls the movement of the pointer on the screen. Buttons on the tracker ball work in the same way as mouse buttons to activate processes on the screen. My alternative of using a mouse with a tracker ball would be a mouse without a tracker ball.

 Hardware is a physical component that connects to a computer and can be physically touched. Some examples of hardware include video card, printer, computer display monitor, and hard drive. The important of hardware is giving the software a platform to run on. The software cannot operate with hardware since it is the base it can run. The software and hardware interacts with each other with the purpose of fulfilling a given task. Without these two components, a computer system cannot operate effectively.

             · A tracker ball does not require a large flat surface.

The hardware is the platform that is required to execute and store the software. It also enables the software to 

run. The software, on the platform that is required to execute and store the software. It also enables the software to run. The hardware is the platform that is required to execute and store the software. It also enables  the software hardware to fulfill a given instruction. Software does not perform general tasks, but each software performs a given task based on the attached hardware : physical components. Some of the types of hardware include control, process, storage, and output and input while software include application software, programming software, and system software, For example, the document processor is an example of a software while a printer makes the information on a hard copy on paper.

The hardware operates as the delivery mechanisms for the specific software.  The hardware is difficult to change because of the purpose that it performs while  a software is frequently changed because of the function that it plays. The software allows modification, creation and deletion of information , and these functions continously change. On the creation software specifically completes a task based on input from the user. A hardware can operate without  a software in minor instances such as powering on or  responding to any input. The software cannot function without hardware since the hardware forms the platform that allows  the software to run.

             The pointer on the monitor screen mirrors the movement of the mouse by the user's hand. Under the mouse is a ball, which rolls as the mouse is moved. This movement of he ball causes two shafts to rotate inside the mouse; one shaft records the movement in the north-south direction and the other shaft records the east-west movement. When the screen pointer is over a0n icon or menu selection, the mouse button can be clicked, double clicked or dragged to activate a process. Some mice have a small wheel as well as the buttons. The function of the wheel depends on the software being used on the computer; in a document, it can allow the user to scroll up and down; in a desktop publishing package, it might enable the user to zoom in and out of the page. Over a period of time, the performance of the mouse can deteriorate as the ball and shafts collect dust and dirt. Some modern mice use a light beam and detector to register movements instead off the mouse ball.