Test 2

Question 1

Which module is added the opposite way of resistors

Answer 1

Capacitors

Question 2

Which module is added like resistors?

Answer 2

Inductors

Question 3

What is a dielectric?

Answer 3

A material through which virtually no current flows

Question 4

What are examples of dielectrics

Answer 4

Air, polyester, porcelain, clay, glass

Question 5

What measures how good a capacitor stores energy?

Answer 5

Permittivity

Question 6

What is the most common type of capacitor in computers?

Answer 6

Ceramic

Question 7

What do diodes do

Answer 7

Only allow current to flow one way

Question 8

What does masking do?

Answer 8

Selectively dope p or n

Question 9

Why do we use NAND and NOR instead of AND and OR

Answer 9

To use fewer transitors

Question 10

What is a 1 represent in a truth table?

Answer 10

5V

Question 11

When voltage is constant what is the current through a capacitor?

Answer 11

Zero

Question 12

What would an abrupt change on a capacitor’s plates require?

Answer 12

Infinite current

Question 13

Capacitors in parallel have the same?

Answer 13

Voltage

Question 14

w=(1/2)C(v^2)

Answer 14

Formula for work relating to capacitance and voltage

Question 15

C=(q(t))/(v(t))

Answer 15

Capacitance vs change in charge over change in voltage

Question 16

How does a capacitor act in DC circuits?

Answer 16

Like an open circuit

Question 17

Where do inductors store energy?

Answer 17

In it’s magnetic field

Question 18

Flux = (Flux Density)*(Area)

Answer 18

Phi = BA

Question 19

V= L (di)/(dt)

Answer 19

Voltage = Inductance * change in current over time

Question 20

What is an Henry

Answer 20

Unit of inductance, 1 Volt Second per Ampere

Question 21

L = ((N^2)uA)/l

Answer 21

Inductance = Number of turns^2 * permeability* cross sectional area divided by length

Question 22

Energy stored in an inductor

Answer 22

w=(1/2)L(i)^2

Question 23

If the current through an inductor is constant what is the voltage?

Answer 23

Zero

Question 24

What could happen if the current across an inductor changed instantly?

Answer 24

The voltage would be infinity

Question 25

How does an inductor act in DC?

Answer 25

Like a short

Question 26

Inductors react fast or slow?

Answer 26

Slow, resist changes in current

Question 27

Capacitors act fast or slow?

Answer 27

Fast, max current at zero voltage

Question 28

When dividing decimal into binary what order do the remainders go?

Answer 28

Reverse order

Question 29

What order do you go when multiplying decimals?

Answer 29

Not reverse order

Question 30

How many bits in a byte

Answer 30

8 bits

Question 31

How big are the groups from binary to octal?

Answer 31

3 bits

Question 32

How big are the groups from binary to hexadecimal?

Answer 32

4 bits

Question 33

How to change the sign in signed magnitude?

Answer 33

Change the sign bit (farthest left)

Question 34

What ranges of numbers can you represent in sign bit

Answer 34

-127 to 127

Question 35

AĀ=

Answer 35

0

Question 36

- Ā

Answer 36

A

Question 37

And truth table

Answer 37

AB Only high when all are high

Question 38

What shape is the And gate?

Answer 38

Rounded semicircle

Question 39

Or gate

Answer 39

A+B High when either is high

Question 40

What shape is the Or gate?

Answer 40

Arrow

Question 41

NAND

Answer 41

High when neither or high or one is high, low when both are high

Question 42

NOR

Answer 42

High only when both are low

Question 43

XOR

Answer 43

High only when one is high, low for anything else

Question 44

XNOR

Answer 44

Only high when both are the same (both high or both low)

Question 45

What rows represent SOP

Answer 45

High rows

Question 46

What rows represent POS

Answer 46

Low rows

Question 47

For SOP what do all bits need to be?

Answer 47

High

Question 48

How do you combine SOP expressions?

Answer 48

Or

Question 49

What does every bit need to be in POS expressions?

Answer 49

Low

Question 50

How do you combine POS expressions?

Answer 50

With And gates

Question 51

i(t)=C(dV(t))/(dt)

Answer 51

Current = capacitance* change in voltage over time

Question 52

Power in an indcutor

Answer 52

P= L((di/dt))i