GRADE 7 - cabinet of the system - 17TH APRIL 2020

What is the person holding in his hand * Chip Processor IC Gate The picture is of SMPS COOLING FAN HEAT SINK POWER SUPPLY My name is SMPS COOLING FAN USB POWER CABLE I am a part of Monitor who i am NETWORK CARD GRAPHIC CARD MODEM POWER CARD I WORK WITH CPU DURING PROGRAM EXECUTION ROM RAM PROM EPROM .I am generally used to store the data permanently who am i CD DVD HARD DISK PROCESSOR I am generally called as optical disk drive who am i. The device below in inserted in my tray for reading the information HARD DISK DRIVE FLOPPY DISK DRIVE COMPACT DISK PROCESSOR I am used as a cooling device who am i AIR CONDITIONER COOLING FAN LIGHT AIR COOLER