Digital Systems Home Page

Welcome to Digital Systems - ENGE 240 - at San Diego Mesa College

Exam results adjusted for drops: - “Solutions only provided in class.”

Ex1: mean = 87.8; s = 12.4; high = 100; low = 48 (submitted non zero exams counted)

Ex2: mean = 70.1; s = 16.1; high = 100; low = 30 (submitted non zero exams counted)

Ex3: mean = 91.6; s = 14.9; high = 100; low = 42 (submitted non zero exams counted)

Ex4: mean = 76.4; s = 19.1; high = 98; low = 25 (submitted non zero exams counted)

Ex5: mean = 92.8; s = 8.5; high = 100; low = 70 (submitted non zero exams counted)

Class results

Mean 421.2 class grade points

Std 55.5 class grade points

High 487.0 class grade points

Min 230.0 class grade points

Have a great summer!

Recommended Project Basic Parts List

Qty	P/N	Description
2	74LS00	Quad 2-input NAND Gate
2	74LS02	Quad 2-input NOR Gate
2	74LS06	Hex Inverter Buffer
2	74LS08	Quad 2-input AND Gate
2	74LS32	Quad 2-input OR Gate
1	74LS151	8-to-1 Multiplexer (might consider 4 of these)
1	7805	Voltage Regulator (1 AMP)
1	Generic	9V Battery Clip
1	Generic	9V Battery Holder
1	Generic	Heat Sink (for the 7805 voltage regulator)
6	Generic	Green Diffused LED Lamp (other color OK)
6	Generic	Red Diffused LED Lamp (other color OK)
1	Generic	Bread Board
20	Generic	100 or 400 W (0.25 Watt) Carbon Film Resistors
1	Generic	8 Position 16 Pin Dipswitch
1	Generic	Wire Jumper Kit (22 Gage/old telephone cable OK)