Re: [Pak Youth] plz someone ans these MCQz

or third ka

?

On Mon, Jul 11, 2011 at 11:50 AM, Haya <luckasma123@gmail.com> wrote:

For compiler a postfix expression is easier to evaluate than infix expression?

       ► True

       ► False

 Consider the following pseudo code                                                                                               

declare a stack of characters 
        while ( there are more characters in the word to read ) 
        { 
           read a character 
           push the character on the stack 
        } 
        while ( the stack is not empty ) 
        { 
           pop a character off the stack 
           write the character to the screen 
        } 
       What is written to the screen for the input "apples"? 
       ► selpa

       ► selppa

       ► apples

       ► aaappppplleess

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{ALLAHA  is great}

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