MEASUREMENT OF MEMORY
bit is the least(छोटी) amount of the memory
1bit = 0 or 1
0 means = N0, False, -ve, Current not flow
1 means = Yes, True, +ve, Current Flow
A (12pt) = 1 Byte = 8 bit (one character) = 2 Nibble
A = (65)10 = (1000001)2 = Alt+65
0 =(48)10=(110000)2=Alt +48
a= (97)10 = (1100001)2= Alt+97
English Letter measure in Decimal code by ASCII (American Standard Code for Information Interchange).
Hindi Letter measure in Decimal code byISCII(India Standard Code for Information Interchange).
Unit | Change in (Accurate Value) | Approx Value(lagbhag Value) |
1 Byte | 8 bit | 10 bit |
1 Kilo Byte (KB) | 1024 Byte | 1000 Byte |
1 Mega Byte (MB) | 1024 KB | 1000 KB |
1 Gega Byte (GB) | 1024 MB | 1000 MB |
1 Tera Byte (TB) | 1024 GB | 1000 GB |
1 Peta Byte (PB) | 1024 TB | 1000 TB |
1 Exa Byte (EB) | 1024 PB | 1000 PB |
Question1Hard disk are coming in 2 size
(i) Pata (40pin) = 80GB = ……………bit
(ii) Sata (7pin) = 500GB =……………..KB
Ans (i) =80 GB
=80X1000MB
=80X1000X1000KB
=80X1000X1000X1000Byte
=80X1000X1000X1000X10bit
=8X1011 bit(Approx)
=8 kharab bit (Approx)
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