railway RRB JE (CBT I + CBT II) Mock Test 2024 Computer Awareness Introduction to Computers

କମ୍ପ୍ୟୁଟରରେ ବ୍ୟବହୃତ IC ଚିପ୍ସ ___ ଦ୍ୱାରା ନିର୍ମିତ |

1
ଆଇରନ୍ ଅକ୍ସାଇଡ୍ 
2
ସିଲିକନ୍ 
3
ଗ୍ରାଫାଇଟ୍ 
4
ସିଲିକା 
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