13) For the following C++ code:

int foo = 5;

int bar = 6;

int a = bar;

bar = 9 + foo;

int b = a + foo;

a + 6;

b + a + bar;

What value will the variable 'a' hold after all these lines are evaluated?

a) we can't know

b) 10

c) 14

d) 12

e) 6

14) For the following C++ code:

int foo = 5;

cout << foo << endl;

foo = 6;

cout << foo << endl;

foo = 5;

cout << foo << endl;

What value will the variable 'foo' hold after all these lines are evaluated?

a)5

b)6

c)5 6 5

d)we can't know

e)6 5 6

15) For the following C++ code:

int foo = 5;

int bar;

int a = bar;

bar = 9 + foo;

int b = a + foo;

a + 6;

b + a + bar;

What value will the variable 'a' hold after all these lines are evaluated?

a)we can't know

b)20

c)14

d)12

e)6

29) You can write programs that never end using loops. t f

30) Computer memory is made up of literal zeros and ones. t f