컴퓨터 입문 및 연습 기말고사

1.다음의 DBASE III PLUS 명령어에 대해 설명하라. (10점) ① USE ② BROWSE ③ PACK ④ FIND ⑤ DO 2. 화일(STUDENT.DBF)의 내용을 참조하여 아래 명령어들의 결과를 적으시오. (20점) .USE STUDENT .LIST 1). USE STUDENT . LIST AGE, KOR FOR NOT SEX . USE 2). USE STUDENT . DISPLAY ALL ADDRESS, AGE FOR `LEE` $NAME OR COMP < 85 . USE 3). USE STUDENT . SORT TO PUPIL ON ADDRES /D NAME /A FOR AGE >=20 . USE PUPIL . DISPLAY ALL NAME, ADDRESS, AGE . USE 4) .USE STUDENT .REPLACE ALL TOTAL WITH KOR+COMP .LIST NAME TOTAL FOR TOTAL > 145 .USE 3. 다음 각 BASIC 프로그램의 수행 결과를 구하시오. (20점) 1) 10 READ A, B, C, D 20 PRINT A, B; 30 PRINT C 40 PRINT D 50 X = -17.8 60 RESTORE 70 X!=X 80 X%=X 90 READ Z, Y 100 DATA 23, 41, 6, 2, 30, 20 110 R = Z - Y 120 PRINT `ORIGINAL X =`; X; 130 PRINT `FIRST TYPE X =`; X! 140 PRINT `SECOND TYPE X =`; X%, R 150 END 2) 10 DIM A(8,4) 20 SUM = 0 30 FOR I=0 TO 3 40 READ A(I,0), A(I,1), A(I,2) 50 A(I,3) = A(I,0) + A(I,1) - A(I,2) 60 SUM = SUM + A(I,3) 70 NEXT I 80 PRINT SUM 9…
…