DE UNITS 1-2

SAFETY AND BASICS

100

1. You used a tool and it inadvertently became damaged.  What should be the next action for you to take?
   a. Continue to use the tool as long as it still somewhat works.
   b. Label the tool that is broken and inform the instructor.
   c. Throw the tool away.
   d. Put the tool away and find another tool to use.

b. Label the tool that is broken and inform the instructor.

200

What is the maximum current level that a human body can withstand before sustaining injury?

15 mA

300

WHAT IS THE FORMAT OF A NUMBER IN ENGINEERING NOTATION?

 a x 10^b

a= a number 1-999 (or 0-1000)

b= a multiple of 3

400

Convert: 0.334 GHz= ___MHz

334 MHz

500

What color combination creates a 6.5 KOhm resistor?

BLUE, GREEN, RED

MULTISIM AND BREADBOARDING

100

WHAT IS THE 74LS NUMBER OF AN OR GATE?

32

200

HOW MANY CHANNELS ARE ON THE OSSILOSCOPE WE USE ON MULTISIM?

4

300

HOW DO YOU CALCULATE THE FREQUENCY OF A WAVE ON AN OSSILOSCOPE? 

FIND THE PERIOD OF THE WAVE, CONVERT IT TO SECONDS, THEN TAKE THE RECIPROCAL

400

WHAT IS THE PROPER VOLTAGE TO USE WHE USING DIGITAL LOGIC?

5 V

500

HOW DO YOU CALCULATE THE DUTY CYCLE OF A WAVE ON AN OSSILOSCOPE?

DUTY CYCLE= T_H/T

COMBINATIONAL LOGIC

100

WHAT GATES MAKE UP COMBINATIONAL LOGIC?

AOI, NAND, NOR

200

WHAT DOES THE TRUTH TABLE OF AN OR GATE LOOK LIKE?

A   B   OUTPUT

0   0       0 

0   1       1

1   0       1

1   1       1

300

DRAW THE TRUTH TABLE FOR THIS LOGIC EXPRESSION:

F₁= AB' + AC +B'C'

A   B   C   F₁

0   0   0   1

0   0   1   0

0   1   0   0

0   1   1   0

1   0   0   1

1   0   1   1

1   1   1   1

400

WHST ORDER DO YOU FILL IN A K MAP FROM A 3 INPUT TRUTH TABLE?

0

1

2

3

6

7

4

5

500

DRAW A CIRCUIT THAT REPRESENTS THIS LOGIC EXPRESSION.

AB + A'C'+ ABC

MS. EPPERSON WILL CHECK

NUMBER SYSTEMS

100

CONVER 33₁₀ INTO BINARY.

100001

200

WHAT IS 1001010₂ IN DECIMAL FORM?

74₁₀

300

WHAT ARE THE PROCESS NAMES TO GO FROM BINARY TO DECIMAL? DECIMAL TO BINARY?

WEIGHTED MULTIPLICATION- BINARY TO DECIMAL

SUCCESSIVE DIVISION - DECIMAL TO BINARY

400

Use the shortcut technique to convert the hexadecimal number C4_H into octal.

304₈

500

WHAT IS THE 8 BIT BINARY EQUIVALENT OF -24₁₀?

11101000₂

BASIC CIRCUITS

100

IF YOU HAVE A SERIES CIRCUIT WITH 4 RESISTORS-

330 OHMS, 200 OHMS, 1.8 KOHMS, AND 700 OHMS

WHAT IS THE TOTAL RESISTANCE OF THE CIRCUIT?

GIVE YOUR ANSWER IN SI NOTATION WITH 0.00 PRECISION.

3.03 KOHMS

200

IF YOU HAVE A PARALLEL CIRCUIT WITH 3 RESISTORS

500 OHMS, 330 OHMS, 1.2 KOHMS

WHAT IS THE TOTAL RESISTANCE OF THE CIRCUIT? 

WRITE YOUR ANSWER IN SI NOTATION WITH 0.00 PRECISION. 

170.54 OHMS

300

WHAT IS KIRCHHOFF'S VOLTAGE LAW AND KIRCHOFF'S CURRENT LAW? WHAT TYPE OF CIRCUITS ARE EACH LAW ASSOCIATED WITH?

KVL:

SERIES CIRCUITS : V_T= V₁ + V₂ + V₃

KCL:

PARALLEL CIRCUITS : I_T= I₁ + I₂ + I₃

400

IF A CIRCUIT HAS A TOTAL RESISTANCE OF 200 OHMS AND A BATTERY THAT IS 9 V, WHAT IS THE VALUE OF THE CURRENT FLOWING THROUGH THE CIRCIUT. WRITE YOUR ANSWER IN SI NOTATION WITH 0.00 PRECISION.

45.00 mA

500

A PARALLEL CIRCUIT HAS 3 RESISTORS, A 9 V BATTERY, AND AN I_T OF 12 mA.

IF TWO OF THE PATHWAYS OF CURRENT ARE 1.25 mA AND 2.25 mA, WHAT IS THE VALUE OF THE AMPERAGE THROUGH THE THIRD PATHWAY?

8.5 mA