Q5 (a) What is the data type of pointer variables? Suppose that we don't know the name of a variable but we do know its address. Can we access the contents of that variable? Explain briefly. (b) Write a program which defines three integer variables, varl, var2 and var3, & initializing them to the values 100, 200 & 300, it then prints out their addresses. Needed code in C+ Only part B

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