Digital Electronics-Number Systems and Codes
Digital Electronics-Number Systems and Codes
81. Convert hexadecimal C0B to binary.
- 110000001011
- 110000001001
- 110000001100
- 110100001011
87. The American Standard Code for Information Interchange (ASCII) uses how many individual pulses for any given character?
- 1
- 2
- 7
- 8
90. Alphanumeric codes should include as a minimum:
- the capacity to represent the alphabet upper- and lowercase characters and the decimal numbers in a straight binary format.
- the capacity to code all possible decimal numbers in a direct octal representation of BCD codes.
- the alphabet upper- and lowercase letters, the decimal digits, the seven punctuation marks, and other characters or symbols.
- the ability to represent decimal numbers greater than 12810 in a straight binary format.