Question: 1. What do you understand by variable in programming? [mark 1] 2. Explain what do you understand by the following line of code: [mark

1. What do you understand by variable in programming? [mark 1] 2. Explain what do you understand by the following line of code: [mark 1] int a, b, c; 3. What is the value of "sum" after the following lines of code: [mark 2] int a; a= 10; int sum; sum = a *2+4 - 8/2;

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