Question II: Answer the following questions $[$Total $25$ marks$]$:

Q$1\mathrm{.}2$: Which of the following is correct $C$ code for printing a number? $($Multiple answers$)$

$[2$ Marks$]$

a$)$ printf$("\%$d$",$ int$\_$variable$)$;

b$)$ printf$("\%$f$",$ double$\_$variable$)$;

c$)$ printf$("\%$c$",$ int$\_$variable$)$;

d$)$ printf$("\%$s$",$ double$\_$variable$)$;

Q$2\mathrm{.}2$: Which of the following statements about C String are correct? Circle correct answers. $($Multiple correct answers$)$

$[3$ marks$]$

a$)$ In C there are no strings, just arrays of characters.

b$)$ A string must terminate with the code $\text{'}\frac{\frac{?}{?}}{0}\text{'}($the NUL$)($or zero$).$

c$)$ In C a string is a variable type like in Java.

d$)$ When declaring a $C$ string as character array, always give enough size for the actual string plus NUL.

Q$2\mathrm{.}3$: What is version control?

$[3$ marks$]$

Q$2\mathrm{.}4$: What will the following program print out when it is executed? Circle correct answer.

$($One correct answer$).$

$[3$ marks$]$a$)010$b$)101$c$)1-10$d$)-110$Q$2\mathrm{.}5$: What will the following program print out when it is executed? Circle correct answer.$($One correct answer$).[3$ marks$]$a$)$ been rainingb$)$ raining dayc$)$ been alld$)$ It's raining

Q$2\mathrm{.}6$: The following code is supposed to print the name "Peter Smith", but it has errors. Find the errors and suggest how to correct them. $($Multiple errors$)$

$[4$ marks$]$