Q1.3 ASCII Questions

1. Translate each letter to its ASCII equivalent.

1. a

2. A

3. r

4. T

5. Y

6. +

7. #

 2. Translate each ASCII code to its letter.

1. 99

2. 103

3. 77

4. 113

5. 4

6. 60

 3. Translate these messages from ASCII to English.

1. (How you got rid of your dandelions.) 109 111 100 101 109

2. (What you do to a suitcase before a trip.) 80 65 67 107 101 116

3. (Trying to climb a steep, muddy hill with 3 tires and pulling a trailer load of fertilizer.) 72 65 82 68 100 114 105 118 101

4. 65 32 99 104 97 116 32 104 97 115 32 110 105 110 101 32 108 105 118 101 115 46

5. 84 104 101 32 109 111 100 101 109 32 105 115 32 116 104 101 32 109 101 115 115 97 103 101 46

6. 68 111 110 39 116 32 98 121 116 101 32 111 102 102 32 109 111 114 101 32 116 104 97 110 32 121 111 117 32 99 97 110 32 118 105 101 119 46

 4. ASCII is a 7 bit code. (We normally remove the leading zeros).

1. How many binary numbers are possible in seven bits?

2. How many letters are there? What percentage of ASCII is letters?

3. How many printable characters are there? What percentage of ASCII is printable characters?

 5. What bit must be switched to change an ASCII letter from uppercase to lowercase and vice versa?