Chapter 1, Problem 24CRP

a.

Explanation of Solution

Convert the number 23 in ASCII:

The ASCII code is a set of characters that stands for “American Standard Code for Information Interchange”.

• To encode the sentence, use the ASCII code table as shown below:

• Convert $2$ and $3$ in the hexadecimal notation from the above table.

$\begin{array}{c}2=32\\ 3=33\end{array}$

• To represent the hexadecimal notation in bit pattern, convert the hexadecimal notation into bit as shown below:

$\begin{array}{l}33=00110011\end{array}$

b.

Explanation of Solution

Convert $23$ to its binary number:

• To find the conversion of integer into binary notation with base $2$ number system, divide the digit $23$ by $2$ such that the quotient must be zero.

$\begin{array}{ccc}2& 23& \\ 2& 11& 1\\ 2& 5& 1\\ 2& 2& 1\end{array}$