Comp Sci vocab

Question 1

floating point representation

Answer 1

like scientific notation but binary

Question 2

ASCII

Answer 2

American standard code for info exchange
- uses 7 bits (A=1000001)

Question 3

Analog vs digital

Answer 3

analog=real world
Digital: technological representation

Question 4

copyrighted

Answer 4

intellectual property of creator: limits on how and when you can use

Question 5

Creative commons

Answer 5

organization that gives range of works for others to build up on and share

Question 6

Internet

Answer 6

global network of computing devices communicating w/ eachother

Question 7

Open network (for internet)

Answer 7

any device under the right protocol can join the internet

Question 8

bit rate

Answer 8

bits of data sent per second

Question 9

bandwidth + data units

Answer 9

max bit rate of a system
- kilobit, mega, giga

Question 10

Latency

Answer 10

time btwn sending and receiving of data

Question 11

IP

Answer 11

internet protocol that identifies device and routes packets from router to router

Question 12

difference in IPV

Answer 12

IPV4: 32 bits
IPV6: 128 bits

Question 13

packet

Answer 13

what a message is split into several of

Question 14

router

Answer 14

small computer that moves packets of data

Question 15

TCP and UDP

Answer 15

orders and fixes packets to be received in the right way
UDP(user datagram protocol) is faster but less accurate than TCP(transmission control protocol)

Question 16

World Wide Web

Answer 16

network of webpages accessed through URLs

Question 17

DNS

Answer 17

Domain name system: phone book of the internet
- domain name translates to IP address

Question 18

HTTP

Answer 18

Hypertext transfer protocol
- loads webpage using links

Question 19

TLS

Answer 19

secure protocol that sends encrypted data to protect private info being sent from attackers using encryption

Question 20

Standardization

Answer 20

computers are in agreement about protocol they will follow

Question 21

Heuristic

Answer 21

approximate solution for problem that would take too long to solve

Question 22

parallel vs distributed computing

Answer 22

Parallel: one computer uses multiple processors to break program into small chunks to run at the same time
Distributes: same but with multiple computers instead of processors

Question 23

Web cookies

Answer 23

small amounts of text that track website info for specific user across multiple pages of website

Question 24

Rogue access point

Answer 24

access point installed on network without network owners permission

Question 25

firewall

Answer 25

monitors traffic on network and determines what to allow

Question 26

Symmetric encryption

Answer 26

same key used to encrypt and decrypt data (less secure)

Question 27

Public key encryption

Answer 27

• type of asymmetric encryption for diff keys for encryption and decryption
• public keys are the only ones that are exchanged

Question 28

Digital Certificate

Answer 28

proves ownership of encryption key