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CGS2060
Midterm #1
59
Computer Networking
Undergraduate 2
02/11/2011

Additional Computer Networking Flashcards

 


 

Cards

Term
What 5 things can computers do?
Definition
Information, automation, entertainment, communication, and computation
Term
When you talk about something digital what do it refer to?
Definition
Things that can be represented by numbers.
Term
What is a group of 8 bits called?
Definition
byte
Term
What things can be stored on a digital device?
Definition
numbers, characters, sounds, images, movies, etc.
Term
What is a special purpose computer?
Definition
they are designed primarily for one particular function.
Term
What is a computer network?
Definition
a telecommunications network that connects two or more computers for data communications.
Term
What is a popular wireless networking standard?
Definition
Wi-Fi
Term
What is VOIP?
Definition
Voice over internet protocol: a popular technology that allows phones to use internet connections.
Term
What is the speed of the human brain?
Definition
estimated around 100 trillion operations per second
Term
What data is stored in bits (binary)?
Definition
bits allow us to represent, store, and manipulate data.
-1's and 0's
Term
What is an Arithmetic Logic Unit (ALU)?
Definition
contains the circuitry to carry out the instructions in the processors instruction set.
Term
What does the Front Side Bus consist of?
Definition
Electronic pathways between the CUP and RAM
Term
What are clock speeds measured today?
Definition
Gigahertz and Megahertz
Term
What are the 5 different types on storage?
Definition
RAM, Cache, Video RAM, ROM, CMOS
Term
What is the largest type of storage?
Definition
Term
What does RAM consist of?
Definition
chips grouped on a board called SIMM
Term
What are the capabilities of magnetic tape?
Definition
Term
What are the properties of magnetic tape?
Definition
Term
What is Flash Memory a form of?
Definition
Solid State storage
Term
Notebook computers integrate the mouse as a touch-sensitive pad called what?
Definition
touch pad
Term
What is System Software?
Definition
the set of programs that coordinates the activities of the hardware and various computer programs.
Term
Define Application Software.
Definition
-provides services for people
-programs written to perform tasks
-word processor, spreadsheets and database
Term
What is Source Code?
Definition
text files created by programmers that is translate into an object code.
Term
What does a compiler do?
Definition
Takes in source code and produces output of object code and executable code.
Term
What is Open-Source code?
Definition
evolved from the combined contribution of its users
Term
What are Creative Common Licenses?
Definition
designed to allow the creators of intellectual property to specify the terms of the license in order to grant certain freedoms to users, while still providing the owner with some control of the property and ability to profit from the distribution of the work.
Term
What kind of users do operating systems support?
Definition
-single user, multi user, and multi computer platforms
Term
What 2 things do operating systems have?
Definition
a graphic user interface (GUI) and a command prompt access.
Term
Define the Internet Backbone?
Definition
the internet backbone consists of the main pathways and connections of the Internet owned primarily by telecom companies.
Term
Who own the many national and international communications networks?
Definition
Service Providers
Term
What is a POP?
Definition
-point of presence: network service providers that allows users to connect to the Internet backbone.
Term
Define cable modem.
Definition
a high speed service provided by cable television providers. supporting 1 to 50 Mbps rates.
Term
Define dial up.
Definition
a low speed service that uses a phone line. transfer rate a high of 56 kbps per second.
Term
What is DSL?
Definition
it uses the phone line, but there is no dialing up and users can use the Internet and talk on the phone simultaneously. supporting 1 to 6 mbps.
Term
Define HTML.
Definition
Hypertext markup language is formatting language used to define the appearance of Web pages.
Term
Define XHTML.
Definition
New and popular standard for describing and classifying data in Web pages and other Web services.
Term
Define HTTP.
Definition
Hypertext Transfer Protocol defines and controls communication between Web server and client (Web browser).
Term
Define URL
Definition
Uniform Resource Locator is the fancy name for a Web address.
Term
What does web-authorizing software do?
Definition
It allows the developer to create Web pages using HTML code and a WYSIWYG editor.
Term
What does a web-portal act as?
Definition
as the entry point to the web, the first page you open when you begin browsing the web.
Term
What are web logs commonly called?
Definition
blogs
Term
What are protocols?
Definition
standards that allow network devices to speak to each other with the same "language"
Term
Define Bandwidth and how it is measured?
Definition
-the range of signal frequencies that can be sent over a given medium at the same time.
-measured in bits per second.
Term
What are typically 3 transmission cables?
Definition
twisted pair copper wire, fiber optic cable, and coaxial cable.
Term
Describe what fiber optic cables consist of?
Definition
extremely thin strands of glass or plastic with a sheathing that allows lights of beam to be sent down them.
Term
What does a network switch allow?
Definition
it allows users to send information over a network without affecting the speech of others users.
Term
Microwave transmission is a line...?
Definition
line-of-sight medium
Term
What is the 2 mobile phone standard and which one is most popular?
Definition
- GSM is the most popular global standard and then CDMA is the more popular in the US
Term
Define Local Area Network? (LAN)
Definition
it connects computer systems and devices within a common geographic area.
Term
Define Local Area Network? (LAN)
Definition
it connects computer systems and devices within a common geographic area.
Term
Define Local Area Network? (LAN)
Definition
it connects computer systems and devices within a common geographic area.
Term
Define Metropolitan Area Network? (MAN)
Definition
it connects networks within a city or metropolitan-size area into a larger high-speed network.
Term
Define wide area network?
Definition
it connects LANs between cities, cross country, and around the world using microwave satellite transmission or telephone lines.
Term
What does analog to digital conversion mean having to do?
Definition
converting sound, images, motion, into numbers that can be stored in a computer.
Term
What is a synthesizer?
Definition
it is a device that electronically produces sounds.
Term
What does an ampler do?
Definition
it plays back samples of real sounds.
Term
What is used from the digital images?
Definition
bit-mapped or raster images
Term
Name 2 file-sharing peer to peer networks?
Definition
KaZa and Limewire
Term
What are the capabilities and properties of magnetic tape?
Definition
it is used as a sequential access storage medium and the properties are mylar film coated with iron oxide.
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