hardware Course

Dear How are You . Before we start the Hardware Basic Course let see the video and find the box the name of that box is screw driver . then we learn step by step how can we open and replace the Parts


Hard Disk : Hard disk is used to store data in a non volatile form within a computer . i.e. data remain in case of lose of power . data stores as magnetic ones and zeros on a steel plate and read by header of hard disk.HaRD disk can store data according to its capability . in market the hard disk of 80 GB 160 GB 250 GB 500 GB , 1TB up to so on are available . A hard Disk consist of several circular disk called platter . each hard disk had a read and write head . A hard disk is much faster then floppy disk.more reliable then floppy . more safer then floppy .