The document discusses the inner components of a computer hard drive including dynamic RAM, static RAM, PROM, and electrically erasable PROM. It provides an outer and inner view of a hard drive and lists a student's name and roll number for the current academic year.

1. Name :
Roll no. 25
Academic year :

3. Outer view
of
Hard drive
Inner view of Hard drive

4. Dyanmic Ram Static Ram

6. PROM
Erasable PROM
Electrically EPROM