EECS 1520 Lecture Notes - Lecture 7: Hard Disk Drive, Webcam, Input Device

• School: York University
• Department: Electrical Engineering and Computer Science
• Course: EECS 1520
• Professor: Amir H. Chinaei

Document Summary

Lecture 7- computer hardware: computer peripherals, speaker (output peripheral, webcam (input peripheral, monitor (output peripheral, keyboard and mouse (input peripheral, router (communication device, external hard drive (storage peripheral, computing model (von neumann) Input device-> central processing unit (control unit, arithmetic/logic unit. 3: address bus- transports address, each component of the cpu has a register specific to it. Main memory (ram: dynamic random access memory- the main memory has to be refreshed from time to time to keep the contents (volatile information is erased, stores instructions and data for currently running programs. Graphics processing unit (gpu: a processor specializing in rendering 3d graphics, capable of doing multiple processing rapidly. Input/output devices: input information or read out information. Infrared touch screens- grid of infrared beams over the surface: location is determined by the position broken on the grid. 7: does not add glare because it is an invisible light, sensitive to any object.