000 00588 a2200193 4500
020 _a0809475545 (hardcover)
020 _a9780809475544 (hardcover)
082 0 4 _a005
090 _c5650
_d5650
100 1 _aBooks, Time-Life.
245 1 0 _aSoftware /
_cTime-Life Books.
250 _aRevised ed.
260 _a[S.l.] :
_bTime Life Education,
_c1990.
300 _a128 p. ;
_c28 cm.
490 1 _aUnderstanding computers.
830 0 _aUnderstanding computers.
856 4 0 _3Amazon.com
_uhttp://www.amazon.com/exec/obidos/ASIN/0809475545/chopaconline-20
942 _aNBS
_cBK
_k005 TLB
999 _c348052
_d348052