TY  - BOOK
AU  - Patt, Yale, N Patel, Sanjay, J 
TI  - Intruduction to computing systems: from bits & gates to C & 
SN  - 0-07-053078-5 
U1  - 004 PAT  
PY  - 2003///
CY  - Tata mcgraw hill 
PB  - New Delhi 
KW  - COMPUTER SCIENCE
ER  -