ENTRE COMPUTER CENTERS INC<ETRE.O> 2ND QTR LOSS Ended Feb 28 Shr loss 29 cts vs profit 10 cts Net loss 2,733,000 vs profit 911,000 Revs 21.5 mln vs 18.5 mln Six mths Shr loss 23 cts vs profit 26 cts Net loss 2,154,000 vs profit 2,445,000 Revs 37.8 mln vs 37.7 mln