TY  - BOOK
TI  - Digital codes and numbering systems explained [video cassette]
U1  - 513 DIG 19-- 
PY  - 1900///
CY  - East Sussex
PB  - Audio Visual Source
KW  - Binary systems (Mathematics)
KW  - Computer arithmetic
KW  - Sexadecimal systems
N1  - VHS/NTSC
N2  - Summary:Describes the binary counting systems and the conversion of numbers from binary to decimal. Defines byte, positional weight, powers and decimals. Also explains hexadecimal numbers and codes, show various counting systems and the use of ASCII
ER  -