EER-018
Introduction to Digital Computers
Lecture 1
Why Digital?
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Analog vs Digital - signals and systems
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faster, more reliable, more flexible, more functionality
- Hierarchy in digital systems
Bit - discrete values 0 and 1
Binary Variable
Complement (Inversion) - NOT (A) = A
Information representation - there are 2N
different
combinations of a string of N bits
Data Encoding and Decoding
Bytes, Words
Number Systems
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Decimal
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Binary
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Hexidecimal
Conversions
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Decimal <--> Binary
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Binary <--> Hexidecimal
Round-Off Error - %error = (|real value - encoded value|)/real value
x100%