Example Mid-terms

# Example Mid-terms - CE311K Exam No. lA . Name: 4 Mareh 1004...

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Unformatted text preview: CE311K Exam No. lA . Name: 4 Mareh 1004 4. (25%) Identify all errors in the following FORTRAN77 program e ~IZfOGRAM ~SS~ ..",0 Upl~ 'i~'PLICIT NONE REAL TAX TAX = 25. . REAL" aOURS, RATE, GROSS, NET ),t4XRAT* " .--~ HOURS = O. RATE =[§lj. OPfJl/{VN/7"::.C, ..-- GROSS = O. ') I NET = O. ld1jcONTINUE I f READ *, ~OUR::X. b/4Nf( IF(HOURS.LT.O.)THEN I~ " fa'" - \ STOP 1LSE J J ; PRINT *, 'Read hourly rate' READ *, RATE GROSS = HOURS·t RATE TAXRATX = TAX / NET ~~n:E( '.>'" ) " -- , PRINT <:0/ t\ ~E *, 'Gross pay is 111 GROSS ~ROSS ~Im = -NET +-rli K PlltV"( I ~E *, 'Net pay is \$, NET \ Go TO 10 ENDIF CE 311K MIDTERM NaDle: _________ OPEN TO STRUCTURED FORTRAN 77 FOR ENGINEERS AND SCIENTISTS by D. M. Etter, CALCULATOR, PENIPENCIL I. (30%) Detennine the value ofthe final arithmetic statement for each set ofFORTRAN 77 code. b.) Xl = _-58.257_ c.) Y =_-3.79S798e-22_ d.) ~ SURFA == _S.026S44e-09_ ,,1ft e.) H =.2Se-7 j PH =-1.*LOG(H) RANGE = PH -4. INCREM = RANGE/20 ., ftlutvCff~1' INCREM=_O_ ~ ,#ffy1 1. (30%) Respond to the questions after executing the following code. PROGRAM LOOPS ::r INTEGER ACOUNT, BCOUNT ACOUNT ... (Ii) L Z. BCOUNT(%j LSTART=2 -I _ ~"O LSTOP=-S LINCR =-3 _lJ.. -Zf" NUM1= 1 NUM2= NUMl ~ RATIO= O. "cC'::, @ DO 10J= 10/(y '2../ ./ ') DO~OL='LSy,(RT, ~ ,L~R RATIO = 10 • J'I I [ ACOUNT = ACOUNT + RATIOJ 20 CONTINUE BCOUNT'"' BCOUNT .J. 10 CONTINUE PRINT·, 'BCOUNT =', BCOUNT STOP END a.) How many times are the statements inside the inner DO loop executed? r"i ~ ~ 12- b.) How many times is the outer DO loop executed? r c.) What is the final value ofACOUNT? 12 -YO -t..S--<l0 -~S--2('"-3~ -yO -itt d.) What is the final value ofBCOUNT? ~ ~ l{) \( r, P(' tll )( \1 e.) What is the fmal value of RATIO? -'l"l- of ::r tS rl1C r(l"'i}L v~U E I( __12 __ ___4 ___-422 __79040. __ __-47 __ 22... -f 3. (30010) wrio.~ignment statements for the following arithmetic e ilt·in functions, where appropriate, ~ate FORTRAN77 variable names. 00NOT . mixed mode e ssions. Substitute an appropriate variable name where necessary to avoid mixed·mode expres .--.:'---_ 3 2 a.) P -22q 1 ai = (P**3 .22.*g**2}1 (am**4 + 2.*anJ+ (Vam**(3.15.)) (i = -----+--- . '" 1 it 4 ?AI n",,31S > C{m + -,.n '("" b.) 2 ·b-....; b +4ac Xl = ( ·b - sqrt(b**2 + 4.*a*c) } I (2. ·a) Xl = 2a 2 c.) dB = 10 log«PIO.0002) ) DB = 10.· LOGI0«P/0.0002}·*2} ,ftA"1 -==- ,fl...f.M" PI !Jf(f!) I d.) RATEP = (AllAN) * (SIN(ALAM)**2 2 sin (~) e.) 6t.hpt = cos( I bO....
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## This note was uploaded on 03/24/2010 for the course CE 311k taught by Professor Liljestrand during the Spring '10 term at University of Texas-Tyler.

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Example Mid-terms - CE311K Exam No. lA . Name: 4 Mareh 1004...

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