Computer hardware refers to the physical components of a computer and includes peripheral devices like printers, which reproduce text and graphics on paper, floppy disk drives, which read data from magnetic floppy disks, scanners, which convert printed materials into digital images, and CD-ROM drives, which allow users to play audio and video CDs. The central processing unit or CPU is an electronic circuit that executes computer programs.

1. Computer Hardware -refers to the physical components of your computer.

2. Printer-a computer peripheral that reproduces text and/or pictures on paper or other kind of printable surface.

3. Floppy Disk Drive - reads the Floppy disk which is a data storage medium that is composed of a disk of thin, flexible ("floppy") magnetic storage medium encased in a square or rectangularplasticshelle.

4. Scanner -is a device that optically scans images, printed text, handwriting, or an object, and converts it to a digital image.

5. CD-ROM Drive -allows the owner to put their CD and put audio and videos on their CDsC.P.U.(central processing unit) -is an electronic circuit that can execute computer programtronic circuit that can execute computer programs.