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G10 Information Technology 2025-01
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What does the IN operator do in Delphi?
Which of the following functions can be used in Delphi to remove leading and trailing white space characters from a given string?
Data is a technique used by programmers to test the accuracy of information submitted by users before processing it in order to avoid frequent errors.
Study the following code snippet and choose the correct value of iY that the ShowMessage() function will output.
var iX, iY: integer;
begin iX := (5*3-2*4) ;
case iX of 1, 3, 7 : begin if (iX >= 3) and (iX <= 7) then iY := 1 else if (iX > 1) and (iX < 3) then iY := 2 else iY := 3; end;
0, 2, 8 : begin if (iX >= 2) and (iX <= 8) then iY := 4 else if (iX > 0) and (iX < 2) then iY := 5 else iY := 6; end;4, 5, 6 : begin if (iX > 5) and (iX < 6) then iY := 7 else if (iX >= 4) and (iX < 5) then iY := 8 else iY := 9; end;ShowMessage('The value of iY is ' + IntToStr(iY));end;
What is the result of the following nested IF-THEN statement?
var iAge, iWeight: Integer;
begin iAge := 22; iWeight := 75;
if (iAge >= 18) then if (iWeight > 75) then ShowMessage('You are eligible to donate blood'); else ShowMessage('You are not eligible to donate blood'); else ShowMessage('You are not old enough to donate blood');
end;
Which of the following statements best describes a nested IF-THEN statement?
What is the result of the following nested IF-THEN statement?
variNum1, iNum2, iNum3 : Integer;
beginiNum1 := 5;iNum2 := 3;iNum3 := 8;
if (iNum1 > iNum2) then if (iNum2 < iNum3) then ShowMessage('True')else if (iNum1 < iNum3) then ShowMessage('False');