01:198:170 Study Guide - Midterm Guide: Filename Extension

• School: Rutgers University
• Department: Computer Science
• Course: 01:198:170
• Professor: F Geraci

Document Summary

Algorithm: a set of instructions to complete a task: they are efficient. jpg decomposes photos into chunks, bigger pixels less memory, it is compressed, Mp3: lossless: chop the frequencies, puts a bunch of files together and compresses them into a file you can get back. What is a hert (hz)= sample/second: 16,000 hz= 16,000 samples/second. # of samples times how big the sample is. What is the internet: a network of networks. Client server model: client requests information (receiver: answers request server (sender, the way people talk. Ip address: network address: kinda like a street address for networks, 32 bits in an ip addresses, 4 parts each part is (0,256) What is it used for: 3-way handshake, set of rules. What is the glue between a url and an ip address: dns, holds the (cid:373)appi(cid:374)g (cid:271)etwee(cid:374) url"s a(cid:374)d ip add(cid:396)ess. Quotes tell search engi(cid:374)e to i(cid:374)(cid:272)lude the st(cid:396)i(cid:374)g (cid:862)(cid:373)(cid:455) (cid:374)a(cid:373)e is(cid:863)