Basic computer components Input devices Keyboard Image scanner Microphone Pointing device  Graphics tablet Joystick Light pen Mouse Pointing stick Touchpad Touchscreen Trackball Webcam  Softcam Refreshable braille display Output devices Monitor Refreshable braille display Printer Speakers Plotter Removable data storage Optical disc drive  CD-RW DVD+RW Disk pack Floppy disk Memory card USB flash drive Computer case Central processing unit (CPU) HDD / SSD / SSHD Motherboard Network interface controller Power supply Random-access memory (RAM) Sound card Video card Data ports Ethernet FireWire (IEEE 1394) Parallel port Serial port USB audio jack