ðH geocities.com /csit101/Lecture4/Page2.htm geocities.com/csit101/Lecture4/Page2.htm delayed x ©ŽÕJ ÿÿÿÿ ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÈ À?‘ š OK text/html pa'9n š ÿÿÿÿ b‰.H Wed, 26 Jan 2000 19:51:02 GMT – Mozilla/4.5 (compatible; HTTrack 3.0x; Windows 98) en, * ©ŽÕJ š
Digital Data Representation
Digital Data Representation
Binary System
Binary
Coding Schemes
Three
Coding Schemes:
- American Standard Code for Information Interchange
(ASCII)
- Extended Binary Coded Decimal Interchanged Code
(EBCDIC)
- Unicode
- Example: The word HERO is represented in
ASCII as:
Capacity
Measurement
- Bit: stands for binary digit,
is the smallest unit of measurement.
- Byte: eight bits are grouped together to form a
character or a byte.
- Kilobyte: equal to 1024 bytes (about a thousand)
- Megabyte: equal to 1,048,576 bytes (about a
million)
- Gigabyte: equal to 1,073,741,824 bytes (about a
billion)
- Terabytes: equal to 1,009,511,627,776 bytes (about
a trillion)
< Previous Page
Next Page >