1. True BASIC Review Practice Questions

2. Which of these are valid variable names? jimbo 5tars st4rs star5 st4r5 5t4r5 star$ st4r$ 5tar$ $tar5 string$s strings nums nums$ phone# phone_number #ofphones number_of_phones will&tell completion%

3. Which of these are valid variable names? jimbo 5tars st4rs star5 st4r5 5t4r5 star$ st4r$ 5tar$ $tar5 string$s strings nums nums$ phone# phone_number #ofphones number_of_phones will&tell completion%

4. What is the output of this program? DATA 1, 2 READ X DATA 3, 4 READ Y DATA 5, 6 PRINT "X=";X PRINT "Y=";Y PRINT READ X, Y DATA 7, 8 PRINT "X=";X PRINT "Y=";Y END

5. What is the output of this program? DATA 1, 2 READ X DATA 3, 4 READ Y DATA 5, 6 PRINT "X=";X PRINT "Y=";Y PRINT READ X, Y DATA 7, 8 PRINT "X=";X PRINT "Y=";Y END OUTPUT X= 1 Y= 2 X= 3 Y= 4

6. What is the output of this program? FOR X = 1 TO 5 SELECT CASE X CASE IS < 1 PRINT "banana" CASE 1 TO 2 PRINT "apple" CASE 1 TO 3 PRINT "pear" CASE 3,5 PRINT "orange" CASE ELSE PRINT "kiwi" END SELECT NEXT X END

7. What is the output of this program? FOR X = 1 TO 5 SELECT CASE X CASE IS < 1 PRINT "banana" CASE 1 TO 2 PRINT "apple" CASE 1 TO 3 PRINT "pear" CASE 3,5 PRINT "orange" CASE ELSE PRINT "kiwi" END SELECT NEXT X END OUTPUT apple pear kiwi orange

8. What is the output of this program? LET string$ = "a" LET num = 4 IF(num < 4) THEN PRINT "A" ELSE PRINT "B" IF(string$ <> "a") THEN PRINT "C" ELSEIF(string$ <> "b") THEN PRINT "D" ELSEIF(string$ <> "c") THEN PRINT "E" ELSE PRINT "F" END IF END

9. What is the output of this program? LET string$ = "a" LET num = 4 IF(num < 4) THEN PRINT "A" ELSE PRINT "B" IF(string$ <> "a") THEN PRINT "C" ELSEIF(string$ <> "b") THEN PRINT "D" ELSEIF(string$ <> "c") THEN PRINT "E" ELSE PRINT "F" END IF END OUTPUT B D

10. What is the output of this program? LET X = 1 PRINT "a ";X FOR X = 5 TO 10 STEP 2 PRINT "b ";X NEXT X PRINT "c ";X LET X = 3 DO PRINT "d ";X LOOP UNTIL X < 5 END

11. What is the output of this program? LET X = 1 PRINT "a ";X FOR X = 5 TO 10 STEP 2 PRINT "b ";X NEXT X PRINT "c ";X LET X = 3 DO PRINT "d ";X LOOP UNTIL X < 5 END OUTPUT a 1 b 5 b 7 b 9 c 11 d 3

12. What is the output of this program? DATA "alpha", "bravo", "charlie", "delta", "echo" DATA "foxtrot", "golf", "hotel", "india", "juliet" DIM phonetic$(26) FOR J = 1 TO 10 READ phonetic$(J) NEXT J FOR J = 5 TO 1 STEP -1 PRINT phonetic$(INT(J/2)+1) NEXT J END

13. What is the output of this program? DATA "alpha", "bravo", "charlie", "delta", "echo" DATA "foxtrot", "golf", "hotel", "india", "juliet" DIM phonetic$(26) FOR J = 1 TO 10 READ phonetic$(J) NEXT J FOR J = 5 TO 1 STEP -1 PRINT phonetic$(INT(J/2)+1) NEXT J END OUTPUT charlie bravo alpha