MAPPING YOUR MIND Testing and encasing Sound Images Cutting and packaging Text writing Information transformed into bits and vice versa Doping Etching Examples of actions performed by a computer Covering with photoresist Output phase Addition of layers Processing phase Between 0 and 1 Melting and shaping Working procedure Silicon, from sand, is chemically treated to eliminate impurities Information is stored Vary in a discrete way Digital signals Vary continuously in time Storage devices How they are made Processor Collect, store, and transmit data in a fast and easy way Output devices Input devices Similar to phenomena Contain billions of transistors Peripherals Analogue signals Analogue vs digital Slicing and polishing Input phase Components Make up microprocessors From input to output Microchips 3.2 Digital electronics Binary system Microprocessors Uses only two digits, 0 and 1 Integrated circuits connected on a motherboard Called Brain of a device Bits 8 bits are called Bytes Uses Functions Central processing unit (CPU) Graphic processing unit (GPU) Digital signal processor (DSP) Logic gates Digital circuits that perform specific tasks Basic types Vision processing unit (VPU) Structure Arithmetic logic unit (ALU) Registers AND Control Unit (CU) OR Buses NOT Memory circuits Derived types ROM NAND RAM NOR Cache XOR XNOR Truth table