Need Help IN Visual Basic 21 Question F: 4.1 Which one is true? Not yet answered

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Need Help IN Visual Basic

21 Question F: 4.1 Which one is true? Not yet answered Points out of Select one 1.00 O a. Conditions involve variables, numbers, comparison operators, logical operators, or functions P Flag question O b. Conditions do not involve variables, numeric operators, and function O C. Conditions only compare numeric values O d. Conditions only compare logical values O e. none of the above 22 Question F: 4.2 Contructs in which an If block is contained inside another If block are referred to as? Not yet answered Points out of Select one 1.00 O a. Embedded If blocks P Flag question O b. Recurrisive If blocks O C. Nested if blocks. O d. Redundant If blocks O e. Double if blocks. F: 4.2 Determine the output displayed in the textbox for the code below 23 Question Not yet answered Private Sub Btn Display Click(...) Handles btnDisplay.Click Dim Num As Double 4 Points out of 1.00 P Flag question txtoutput Text Less Than ten Else If Num 4 Then txtoutput Text Equal to four Endif Endif End Sub Select one: O a. Equal to four O b. Less than ten O C. Build errors. O d. Greater than four O e. None of the Above

Explanation / Answer

Solution:

21. The answer is option

a.conditions involve varaiables,numbers, comparison operators, logical operators or functios.

in condtional constrcut , we can comapare any of the above mentioned tyes like variables and numbera or also the return values of functions. We need to use comaprison operators(<,>,== etc.) to compare these. Every comparison yields two kind of results true or false(boolean). It is possible to compare more than one condition at a time using logical operators like &&(logical and) , ||(logical or).

22.The answer is

c. nested if blocks

One if statement inside the ther if statement is referred to as nested if. if the outer if condition is true, the control goes down to the inner if statement and if the inner if statement is also true then the statement inside inner if is executed. Nested if conditions can be represented using && operator.

example: If(a>b) - outer if condition

if(a>c) - inner if condition

printf("a is greater");

23. The answer is option

a. Equal to 4, since the if condition (if Num = 4) statement assigns the value 4 to the variable Num instead of comapring it to four i.e. if Num == 4, so the Num is assind to 4 and the next statement gets executed which is "Equal to 4"

24. The answer is option

e. when the condition is false.

In if .. else construct, else part is excuted when the given condition is false.

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