ASCII

1. Standard ASCII has 7 bits
2. the character code for A is 65
3. the binary equivalent of standard ASCII for the letter F is 1000110
4 the numerical difference between uppercase and lowercase is 32
5. 1000010 1000001 1000100
6 128 more
7. the 16 bit character coding system is known as Unicode, it can hold 65,536 and this would be needed for other languages.
8. even parity is when you have an even amount of 1s in the ASCII
01000001 is A 
01000010 is B
11000011 is C
9. odd parity is when you have an odd amount of 1s in the ASCII
11000001 is A
11000010 is B
01000011 is c

Exam questions

1a) ASCII can be represent ed in 128 different characters
B) E can be represented in 7 bit 1000101
Ca) Even parity of D is 01000100
b) Even parity of E is 11000101
c) Odd parity of H is 11001000
D) odd parity refers to parity checking modes, where each set of transmitted bits has an odd number of bits. If the total number of ones in the data plus the parity bit is an odd number of ones, it is called odd parity. If the data already has an odd number of ones, the value of the added parity bit is 0, otherwise it is 1. the sender and receiver will give out or take in messages.

2a) the ASCII code for 5 is 53
b) the 7 bit binary for 6 is 0110110
c) from 0 to 9 they all start with 0011 as their first 4 bits
d) 3
e) 3
f) the parity cannot detect all errors.
also majority vote is quick and clear