Jasond Digital- Mod 1: Digital And Analog Quantities

Front 1

Define a circuit

Back 1

A never ending looped pathway for electrons and consists of sources, loads and conductors.

Front 2

Define current

Back 2

The continuous movement of free electrons through the conductors of a circuit

Front 3

Define voltage

Back 3

The potential energy difference between two points of Separated electric charge

Front 4

Define resistance

Back 4

A materials opposition to the flow of an electrical current

Front 5

Define resistance

Back 5

A materials opposition to the flow of an electrical current

Front 6

Define power

Back 6

Electric power is the rate at which work is done

Front 7

Define grounding

Back 7

A permanent and continuous conductive path to earth

Front 8

What is the main difference between an analog and a digital waveform?

Back 8

Analog quantity has a continuous set of values

Digital quantity has a discrete set of values

Front 9

What are three advantages of digital technology

Back 9

-Compact storage

-Less affected by noise

-Ease of fabrication

-Programmable operation

-Data processed and transmitted more fission

Front 10

How can an analog waveform be converted to digital waveform

Back 10

Sampling and quantization using a analog to digital converter

Front 11

Digital electronics in____?

Back 11

Binary

Front 12

The voltages used to represent a 1 (high) and a 0(low) are called?

Back 12

Logic levels

Front 13

The interdisciplinary field the comprises both analogue and digital components are known as?

Back 13

Mechatronics

Front 14

Define binary

What is it comprised of?

Back 14

A two state number system

0’s & 1’s called bits

Front 15

What is positive logic

Back 15

1 is represented by the higher voltage

Front 16

In the conventional numbering system (decimal) We use how many digits?

Back 16

10

0-9

Front 17

What kind of numbering system Do we use in a digital circuit?

Back 17

Binary (2 digits)

Front 18

How many bits in a byte?

How many bytes in a word?

Back 18

8 bits in a byte

2 bytes (16 bits) In a word

Front 19

In practical situations Binary digits are represented by

______ _______?

Back 19

Voltage levels

Front 20

If binary 1 is high between 2-5volts, and low is between 0-0.8v.

What does 0.8-2v represent?

Back 20

Invalid voltage

Front 21

A digital waveform is made up of a _________ ___ __________.

Back 21

Series of pulses

Front 22

What is the difference between An IDEAL PULSE and a NON-IDEAL PULSE

Back 22

- ideal pulse changes state instantaneously

- non ideal does not due to effects (droop, ringing etc)

Front 23

Label 1-9

Back 23

Back (Definition)

Front 24

Define a PERIOD (T)

What’s the formula in relation to frequency

Back 24

A periodic pulse waveform is one that repeats itself at a fixed interval

T(secs) = 1/f(Hz)

Front 25

Define frequency (f)

Back 25

The rate at which it repeats it self and is measured in hertz

Front 26

Define duty cycle

Formula?

Back 26

The ratio of the pulse width(tw) to the period (T)

Duty cycle= (tw/T)*100%

Front 27

The time required for a post to go from low to high is called the_________.

When is this measured?

Back 27

Rise time (tr)

10% of pulse amplitude to 90%

Front 28

Fall time (tf) is measured from _______to________ of the pulse ________.

Back 28

90% to 10%. Amplitude

Front 29

What is the measure of the duration of the pulse?

How is it defined?

Back 29

Pulse width (tw)

Time interval between both 50% points of rising and falling edges

Front 30

Define amplitude

Back 30

The height from the baseline,

0 to 100%

Front 31

A waveform can be classified as either _________ or _________.

Back 31

Periodic or non-periodic

Front 32

Describe the characteristics of a digital waveform

Back 32

Back (Definition)

Front 33

Define a bit time

Back 33

Back (Definition)

Front 34

Define data

Back 34

Groups of bits that convey some type of info

Front 35

What is a timing diagram

Back 35

A graph of the waveforms showing the actual time relationship between of two or more waveforms and how each waveform changes in relation to the others

Front 36

What is the difference between serial and parallel?

Advantage and disadvantage of each?

Back 36

Serial Data is sent one bit at a time along a single line

Advantage- one line required

Disadvantage- more time

Parallel Is sent in a group of bits on separate lines at the same time

Front 37

What are logic functions

Back 37

Building blocks for more complicated digital circuits like computers using gates

Front 38

How can logic functions be represented

Back 38

-symbols

-truth table

- algebraically( Boolean)

-ladder logic

-timing diagrams

Front 39

An inverter describes what gate

Back 39

NOT

Front 40

What is the uncommon condition of an AND gate

Back 40

1*1=1

ON

Front 41

What is the uncommon conditioning of an OR gate

Back 41

0+0=0

OFF

Front 42

What is the uncommon condition a NAND GATE

Back 42

1’*1’=0

OFF

Front 43

What is the uncommon condition a NOR GATE

Back 43

0*0=1

ON

Front 44

What condition are you looking for a XOR GATE

Back 44

Opposites

Front 45

What condition are you looking for a XNOR GATE

Back 45

Same

Front 46

What within a gate compares the quantities indicating = or not=

Back 46

Comparator

Magnitude comparison

Front 47

What is the best way to analyze a circuit of logic gates

Back 47

Truth table

Front 48

Define encoder

Define decoder

Back 48

Decimal to binary conversion

Binary to hexadecimal conversion

Front 49

To broad types of digital integrated circuits are_______ & _________

Back 49

Fix function and programmable

Front 50

2 examples of a data storage device are

Back 50

Register and a flip-flop

Front 51

Name an analog Quantity other than temperature and sound

Back 51

Speedometer