Logic 1: Introduction

Question 1

Most natural quantities we see are _____ and vary continuously

Answer 1

Analog

Question 2

These systems can generally handle higher power than digital systems

Answer 2

Analog

Question 3

These systems can process, store, and transmit data more efficiently but can only assign discrete values to each point

Answer 3

Digital

Question 4

Uses circuits that have two states, which are represented by two different voltage levels

Answer 4

Digital Electronics

Question 5

Two types of voltage levels in digital electronics

Answer 5

HIGH and LOW

Question 6

What do you call a single number in binary?

Answer 6

Bit

Question 7

What does “bit” mean?

Answer 7

Binary Digit

Question 8

What is the value of a voltage HIGH?

Answer 8

1

Question 9

What is the value of a voltage LOW?

Answer 9

0

Question 10

The branch of electronics that represent information in digital form

Answer 10

Digital Logic

Question 11

Utilizes limited number of codes or digits in the representation of information

Answer 11

Digital Logic

Question 12

What do you call unwanted electrical interference

Answer 12

Noise

Question 13

Which are more affected by noise: Digital or Analog?

Answer 13

Analog

Question 14

Change between the LOW and HIGH levels

Answer 14

Digital Waveforms

Question 15

Is one that goes from a normally LOW logic level to a HIGH level and then back

Answer 15

Positive-Going Pulse

Question 16

Are made up of a series of pulses

Answer 16

Digital Waveforms

Question 17

Is one that goes from a normally HIGH logic level to a LOW level and then back

Answer 17

Negative-Going Pulse

Question 18

A constant voltage value added to the pulse to shift its peak

Answer 18

DC Offset

Question 19

Is the specified active pulse time

Answer 19

Pulse Width

Question 20

Active when voltage is high

Answer 20

Active High Signal

Question 21

Active when voltage is low

Answer 21

Active Low Signal

Question 22

The graphical representation of logic levels with respect to time

Answer 22

Digital Waveform

Question 23

What is another name for Digital Waveform

Answer 23

Pulse Waveform

Question 24

Has a low voltage at 0 and peak value at 1

Answer 24

Positive Pulse

Question 25

Has a high voltage at 0 and negative peak value at -1

Answer 25

Negative Pulse

Question 26

The percentage of the active pulse in a period

Answer 26

Duty Cycle

Question 27

The most common digital waveform

Answer 27

Square Wave

Question 28

Has a 50% duty cycle

Answer 28

Square Wave

Question 29

Time interval which the pulse repeats itself

Answer 29

Period

Question 30

The rate at which the pulse repeats itself at a specified time

Answer 30

Frequency

Question 31

Are composed of pulses that repeats in a fixed interval called the period

Answer 31

Periodic Pulse Waveforms

Question 32

Is a basic timing signal that is an example of a periodic wave

Answer 32

Clock

Question 33

Is used to show the relationship between two or more digital waveforms

Answer 33

Timing Diagrams

Question 34

Can be used to directly observe diagrams like the timing diagram

Answer 34

Logic Analyzer

Question 35

Two ways that data can be transmitted

Answer 35

Serial or Parallel

Question 36

It is true if all input conditions are true

Answer 36

AND Logic

Question 37

It is true only if one or more input conditions are true

Answer 37

OR Logic

Question 38

Indicates the opposite condition

Answer 38

NOT Logic

Question 39

A storage function in which it moves and stores data each time it is clocked

Answer 39

Shift Register

Question 40

Are also called chips

Answer 40

ICs

Question 41

Consists of several transistors, passive components fabricated in a single package

Answer 41

Integrated Circuit / Integrated Gate Circuit

Question 42

What does DIP mean?

Answer 42

Dual In-Line Pins/Packages

Question 43

States the the number of transistors in a chip doubles every two years

Answer 43

Moore's Law

Question 44

Is an integrated circuit that can be programmed in a laboratory to perform complex functions

Answer 44

Programmable Logic Device (PLD)

Question 45

A gate array where the logic network can be programmed into the device after its manufacture

Answer 45

Field Programmable Gate Array (FPGA)

Question 46

A high density PLD containing macro cells that are interconnected through a central Global Routing Pool

Answer 46

Complex Programmable Logic Device (CPLD)

Question 47

Is a hardware description language used to model electronic systems

Answer 47

Verilog

Question 48

Is a form of PLD that uses a combination of programmable AND array and a fixed OR array

Answer 48

Programmable Array Logic (PAL)

Question 49

A periodic waveform used to synchronize actions

Answer 49

Clock

Question 50

A logic circuit that performs a basic logic operations such as AND or OR

Answer 50

Gate

Question 51

A category of digital integrated circuits having functions that cannot be altered

Answer 51

Fixed-function logic

Question 52

A category of digital integrated circuits capable of being programmed to perform specified functions

Answer 52

Programmable Logic