Question $3[15$ marks$]$

A$.$ Give two examples that demonstrate the difference between the break and the continue keywords when used in the block of a loop.

$[2$ Marks$]$

B$.$ Which loop in $C++$ executes the code block at least once?

$[1$ Mark$]$

C$.$ Which type of loop is used when the number of iterations is known beforehand?

$[1$ Mark$]$

D$.$ Give an example of a "function signature" in C$++?$

$[1$ Mark$]$

E$.$ Write a program that displays numbers from $1$ to $10.$ The program should ask the user to enter a number between $1$ and $10,$ this number would be used to print stars ${(}^{**})$ next to any number that is divisible $($has no remainder$)$ by the entered number. Below shows examples of input and output for this program:Please code your solution so that it will only accept valid entries and will not crash on invalid entries. $[10$ Marks$]$

Question $4[15$ marks$]$

A$.$ In an $8-$bit binary system give the value of $-88$ in the following:

i$.2\text{'}$s complement representation

$10101$

$0-2\text{'}$s

ii$.$ Sign$-$magnitude representation

$S$

iii. $1\text{'}$s complement representation

$()2$

$[6$ Marks$]$

B$.$ The IEEE$-754$ standard for $32-$bit Single$-$Precision Floating$-$point number representation is the industry standard for representing real numbers in modern computer systems, where the $32-$bits are broken down into $3$ parts, $1$ bit is the sign bit, $8$ bits is the exponent $($bias $127$ and $23$ bits is the mantissa. Working must be showed.

i$.$ Show the binary representation of $-65\mathrm{.}75,$ using the IEEE$-75432-$bit SinglePrecision. $[6$ Marks$]$

ii$.$ Show the hexadecimal representation of the above answer. $[3$ Marks$]$