Computers, IT & Internet Awareness Notes for SSC, IB, IBPS, SBI, RRBs 2019
Computer (Hardware + Software) A computer performs a specified sequence of operations as per the set of instructions (known as programs) given on a set of data (input) to generate desired information (output). Hardware Input Devices Processing Devices Output Devices Storage Devices Keyboard Motherboard Monitor (LED, LCD, CRT) Magnetic Disk Microphone Processor Printer Optical Disk Mouse CPU Speaker Flash Memory Web Camera GPU Plotter Magnetic Tape Touch Screen Network card Projector Light Pen Sound card Joystick Video card Software System…