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# ENGE 201 Week 2 Notes ENGE 201

LU
GPA 3.6

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These notes cover what we learned and what was in the textbook for Week 2.
COURSE
Intro to Logic Design
PROF.
Dr. Wang
TYPE
Class Notes
PAGES
3
WORDS
CONCEPTS
logic, Design
KARMA
25 ?

## Popular in Electrical Engineering

This 3 page Class Notes was uploaded by Madison Notetaker on Sunday September 11, 2016. The Class Notes belongs to ENGE 201 at Liberty University taught by Dr. Wang in Fall 2016. Since its upload, it has received 5 views. For similar materials see Intro to Logic Design in Electrical Engineering at Liberty University.

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Date Created: 09/11/16
ENGE 201 Notes Hexadecimal numbers  Base 16 number system; used as a shorthand of binary  Values range from 0-F o 1, 2, 3, ,4 5, 6, 7, 8, 9, A, B, C, D, E, F o positional multipliers are powers of 16: 16^1, 16^2, etc. Hex Decimal Binary Hex cont. Decimal Binary 0 0 0000 8 8 1000 1 1 0001 9 9 1001 2 2 0010 A 10 1010 3 3 0011 B 11 1011 4 4 0100 C 12 1100 5 5 0101 D 13 1101 6 6 0110 E 14 1110 7 7 0111 F 15 1111 1+0=1 and 1+1=10 Each hexadecimal digit represents 4 binary bits; ALWAYS USE 4 BITS!!!! Ex) Convert hexadecimal to a decimal and binary 726H=0x726 (*representation for hexadecimal) Binary  (7=0111)+(2=0010)+(6=0110) = 011100100110 Decimal  (7∗162+(2∗161+(6∗16 )  Binary  Decima10= 911800500211 = 2 +2 +2 +2 +2 +2 = 1024+512+256+32+4+2 1.5 Digital Waveforms Terms (pg 20)  digital waveforms = a series of logic 1’s and 0’s plotted as a function of time (HIGH/LOW pattern)  pulse = a momentary variation of voltage from one logic level to the opposite level and back again  rising edge/falling edge  leading edge/trailing edge  edge = the part of the pulse that represents the transition from one logic level to the other  amplitude = the instantaneous voltage of a waveform

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