fianl

Question 1

the lower the dot pitch

Answer 1

the clearer the images

Question 2

scanning devices

Answer 2

optical scanners, card readers, bar code readers, RFID Readers, MICR

Question 3

RFID

Answer 3

tiny chips in almost everything can be found in products, drivers licenses, passports, etc

Question 4

MICR

Answer 4

used by banks to read checks

Question 5

Types of Bar codes

Answer 5

UPCs (Retail) , MaxiCode (Mail)

Question 6

SDLC

Answer 6

Program specification, Program design, Program code, Program test, Program documentation, Program maintenance

Question 7

Program Specification

Answer 7

programs objectives outputs, inputs, and processing requirements

Question 8

Program design

Answer 8

a solution created with top-down program, pseudocode, flowcharts, and logic structures

Question 9

program code

Answer 9

program is written or coded using a programming language

Question 10

program test

Answer 10

program is tested or debugged

Question 11

program documentation

Answer 11

documentation is ongoing, formalizing written description and processes used in program

Question 12

program maintenance

Answer 12

periodically reviewed to evaluate accuracy

Question 13

types of memory

Answer 13

RAM - temporary and volatile, ROM - nonvolatile storage, Flash memory

Question 14

how does a hard disk store data

Answer 14

read/write heads

Question 15

WEB 1.0

Answer 15

search engines

Question 16

web 2.0

Answer 16

dynamic content (facebook)

Question 17

web 3.0

Answer 17

identifies relationships between data, personalized content

Question 18

web 4.0

Answer 18

mobile web, mobile devices

Question 19

mass storage devices

Answer 19

file servers, network attached storage, RAID, organizational cloud storage

Question 20

wi-fi

Answer 20

bluetooth, cellular, wifi, satellite,microeave, infrared,WeMax, GPS

Question 21

network topologies

Answer 21

point-point, bus, ring,

Question 22

bandwidth

Answer 22

measurement of the width or capacity of the communication channel

Question 23

modems

Answer 23

modulate and demodulate, measured in megabits per second

Question 24

types of operating systems

Answer 24

embedded OS (smartphones, tablets), Standalone OS (desktops), Networking OS (used to run networks)

Question 25

disk caching

Answer 25

read from the hard disk into memory

Question 26

Types of optical discs

Answer 26

CD's,DCD's, BD's

Question 27

URL

Answer 27

for browsers to connect you to resources

Question 28

client server

Answer 28

use central servers to coordinate and supply services to other nodes on the network.

Question 29

peer-to-peer

Answer 29

nodes have equal authority and can act as both clients and servers

Question 30

mesh network

Answer 30

newest topology, each node have more than one connection to the other nodes

Question 31

star network

Answer 31

each device is connected directly to a central network switch

Question 32

tree network

Answer 32

each device id connected to a central node

Question 33

top down analysis

Answer 33

used to identify top level components of a complex system,

Question 34

grid charts

Answer 34

show relationship between input and output

Question 35

system flowcharts

Answer 35

show the flow of input data to processing and to output/distribution of info

Question 36

data flow diagram

Answer 36

show the data/info within anf info system

Question 37

extranet

Answer 37

private network that connects more than one organization

Question 38

firewall

Answer 38

security hardware and software

Question 39

proxy server

Answer 39

computer that acts as a gateway/checkpoint in an org

Question 40

VPN

Answer 40

creates a secure private connection between a remote user and an organization internal network

Question 41

ergonomics

Answer 41

study of human factors related to things people use

Question 42

FiOS

Answer 42

fiber optic service used by google and verizon with speeds faster than cable

Question 43

voiceband

Answer 43

aka low bandwidth, used for landline telephone communication

Question 44

cold boot

Answer 44

starting a computer after its been turned off

Question 45

warm boot

Answer 45

restarting computer while the computer is on

Question 46

google chrome, android

Answer 46

based on linux

Question 47

virtualization

Answer 47

a process that allows a single physical computer to support multiple operating systems

Question 48

Type 2 hypervisor

Answer 48

runs inside (hardware-host od-hypervisor-guest os)

Question 49

spiders

Answer 49

update search services

Question 50

deep fakes

Answer 50

indivuals appearence/message is changed

Question 51

"Anyone can read a blockchain, and anyone can hold a copy of the blockchain."

Answer 51

true

Question 52

components of cloud computing

Answer 52

clients, internet, providers

Question 53

Apple Health Web 3.0?

Answer 53

yes

Question 54

Types of prototype models

Answer 54

rapid throwaway, evolutionary, incremental, extreme