3. Study the following programs and answer the give DECLARE FUNCTION STRING (S$)
CLS
INPUT "Enter any string=";S
PRINT "Total number of alphabet A ="; STRI
END
FUNCTION STRING (S$)
FOR I = 1 TO LEN (S$)
C$ = UCASE $ (MID (S$, I, 1))
IF C$ = "A" THEN
COUNT = COUNT + 1
END IF
NEXTI
STRING = COUNT
END FUNCTION
(a) For what purpose UCASE is used?
(b) If the input sting is "Education", then what will be output​