CSE 250 COMPUTER SCIENCE VERIFIED QUESTIONS AND CORRECT ANSWERS SUMMER FINAL EXAMS GRADED A PLUS -STANFORD UNIVERSITY

CSE 250 COMPUTER SCIENCE VERIFIED
QUESTIONS AND CORRECT ANSWERS
SUMMER FINAL EXAMS GRADED A PLUS
-STANFORD UNIVERSITY



Bit
Binary Digit, the single unit of information in a computer.




Bit rate
the number of bits that are processed in a unit of time




Protocol
A set of rules used for transmitting data.




Router

,a computer designed to receive and redirect packets of information
based upon the addressing information (IP address)




Packets
Small chunks of information that have been chunks of information
formed from large chunks of information




TCP (Transmission Control Protocol)
Provides reliable, ordered and error checked delivery stream of
packets on the Internet.




DNS (Domain Name Service)
the service that translates URLs to IP addresses




HTTP (Hypertext Transfer Protocol)
The protocol used for sending and receiving web pages
-ASCII text- based protocol
-At the same level as DNS

, Compression
Represents the same data using fewer bits




Pixel
the fundamental unit of a digital image
a) short for picture element
b) typically a tiny square or dot which contains a single point of
color or larger image




Metadata
data that describes other data
a) Examples: size of number, number of colors, or resolution (how
clear the image is)




Internet Packet
The packet contains the data that needs to be sent, but also other
data like the to and from address, and packet number.