Computer Hardware

Define Computer hardware

• the collection of physical parts of a computer system. 
• the color of the computer 
• how the computer looks 

Is a data storage device that uses magnetic storage to store and retrieve digital information using one or more rigid rapidly rotating disks (platters) coated with magnetic material.

• RAM
• Hard Disk
• DVD
• ROM

Is a disk drive that uses laser light or electromagnetic waves within or near the visible light spectrum as part of the process of reading or writing data to or from optical discs

• CD/DVD Drive
• Hard Disk
• Mother Board
• Power Supply

Is a form of computer data storage that stores data and machine code currently being used

• ROM
• USB
• Hard Disk
• RAM

Is the electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logical, control and input/output (I/O) operations specified by the instructions.

• USB
• ROM
• CPU
• UPS

Is the main printed circuit board (PCB) found in general purpose microcomputers and other expandable systems. It holds and allows communication between many of the crucial electronic components of a system

• Video Card
• Sound Card
• Motherboard
• Network Card

Is an expansion card which generates a feed of output images to a display. Frequently, these are advertised as discrete or dedicated graphics cards, emphasizing the distinction between these and integrated graphics.

• Graphic Card
• Sound Card
• TV Card
• Network Card

Is a hand-held pointing device that detects two-dimensional motion relative to a surface. This motion is typically translated into the motion of a pointer on a display, which allows a smooth control of the graphical user interface.

• Mouse
• Light Pen
• Touch Pad
• Trackball Mouse

A display screen used to provide visual output from a computer, cable box, video camera, VCR or other video generating device.

• Projector
• Printer
• Monitor
• Speakers

When building a computer, consider first

• cost

• processor speed

• use

• RAM