Finding maximum number of files possible in a file system?

Question

Answer 1

No of blocks 4

each block size 4*1024

Total block size 4*4* 1024

entry size 32 bits = 4 B

So,no of entries=4*4* 1024/4 =4K

Each entry has 1 file

 So, no of files 4K

Comments

Disk block size is 4KB

What is the need for finding total block size then.