cscmidterm3 Flashcards Preview

Csci > cscmidterm3 > Flashcards

Flashcards in cscmidterm3 Deck (55)
Loading flashcards...
1

hardware

computers are the physical embodiment of computation

2

software

programs that instruct the computer needed to implement applications

3

the experience

hardware and software together, a virtual world that doesn?t exist but we experience

4

software stack

series of layers of programs

5

the oldest form of information technology is

recorded technology

6

transformation

enhancing/embellishing digital information (photoediting)

7

cration of digital media

synthetic complexity

8

virtual reality

simulates the physical world (keypads, gps map)

9

artifical world

itunes, facebook, twitter, angry birds, product of human imagination

10

problems with artificial worlds

Privacy concerns, spam, scams,online bullying,stalking

11

data

digital form of information

12

data is represented as

bits (usually 0 and 1)

13

Sourced Content

conent produced for commercial purpose (controlled entirely by organization or person)

14

Social Content

information created by visitors to the site (social networking)

15

we acces digital information access through WWW is stored as

databases and files

16

Algorithm

precise, systematic method for producing specific result

17

Program

bunch of algorithms that have been specialized to a specific set of conditions

18

Abstract

idea or a process that is extracted from some form of information

19

Generalize

express ab udea that applies to many situations, duh

20

Operationally Attuned

ability to be boss at what we know about devices to simplify its use

21

Feedback

is the computer working or still done? Seriously?

22

Consisten Interface

companies resuse the same code in their applications

23

Clicking Around

explore an application the application to see what features are available

24

Blazing Away

trying the application in a different way

25

since info is in 0's and 1's

we can it digital information since it has two DIGITS! WOW!

26

What is an all at once version of copy/pste

find/replace

27

Metaphor

an icon or image used as representative or symbolic of a computation

28

first desktop?

the Alto (70's)

29

GUI

Graphic User Interface

30

what is the metaphor for the computer screen?

desktop

31

Synchronous communication

when sender and reciever are active at the same time (telephone)

32

Asynchronous

when sender and reciever are not active at the same time (aint no body got time for that)(email)

33

What are the 3 communication types

broadcast, multicast, point to point

34

Broadcast Communication

single sender to many recievers (radio,tv)

35

multi-cast

single sender to specific group

36

point to point

self explanatory-one on one (telephone)

37

what kind of communtion does is the internet?

point to point asynchronous

38

Interactions over the internet use

client server interaction protocol

39

IP adress

Internet protocol, unique adress for each computer connected to the internet

40

Domain

related group of networked computers (.edu)

41

DNS

Domain Name System-translates human readable names into four number IP adress

42

If the IP adress is new, the server asks

an Authoritative Name Server

43

TLDs

Top Level Domains (.edu, .org, .com etc.)

44

IP Packet

INDEPENDENT packets of information, they hold one unit of info and can be sent in any order and path

45

WAN

Wide Area Network

46

LAN

Local Area Network (ethernet)

47

the physical set up for an ethernet network is a wire, optical fiber called

a channel

48

What communication is ethenet?

broadcast medium for point to point

49

2 ways to connect to internet

ISP and enterprise network

50

ISP

Internet Service Provider

51

Enterprise Network

connection is to a user of a large organization (school, business)

52

WWW

World Wide Web

53

Who is the client/server in web request

browser is client asking the web server for a web page

54

three parts of URL

Protocol, Domain name, Pathname

55

File Structure

folders contain folders that contain folders that contain folders that contain?.MORE FOLDRES that conatin files