Week 7-8 MIDTERMS Flashcards
The global system of interconnected computer networks that use the Internet Protocol suite (TCP/IP) to link devices worldwide.
Internet
It is a network of networks that consists of private, public, academic, business, and government networks of local to global scope, linked by a broad array of electronic, wireless, and optical networking technologies.
Internet
What does DARPA stands for?
Defense Advanced Research Project Agency
What is ARPANET?
Advanced Research Project Agency Network
a packet-switching network developed in 1972 that had many of the attributes of a modern computer network. ___________ was developed in France based on ARPANET after a group of French delegates were introduced to the technology on a visit to the United States.
Cyclades (Scientific Network)
What is RAND Corporation?
Research and Development Military Network
What is NPL?
National Physical Laboratory
It is the basic communication language or protocol of the Internet.
Transmission Control Protocol / Internet Protocol (TCP/IP)
It can also be used as a communications protocol in a private network (either an intranet or an extranet).
Transmission Control Protocol / Internet Protocol (TCP/IP)
Who proposed a concept of fault tolerance network based on packet switching. This idea was rejected by AT & T, the main telecommunication provider of the US?
Paul Baran
When did Paul Baran proposed a concept of fault tolerance network based on packet switching.
1960
What project was launched by the US Department of the Defence. The first network had four nodes: UCLA, UCSB, Standford Research Insitute and University of Utah
ARPANET
When was ARPANET project launched?
1969
When did ARPANET expanded to include about 40 nodes?
1972
When did the main protocol for the internet, that TCP/IP, was redesigned, to enable LAN to be incorporated into ARPANET?
1974
When was TCP/IP was only accepted as the protocol for ARPANET
1983
The management of ARPANET was later transferred to ____________
National Science Foundation (NSF)
What did NSF renamed ARPNET to?
National Science Foundation Network (NSFNET)
Access to the Internet is made through _________.
Internet Service Providers (ISPs)
What are the uses of internet?
Electronic Mail
Phone Call
Social Media
Gaming
Cloud Computing
Research
E-Learning
E-commerce
It is a hierarchical decentralized naming system for computers, services, or
other resources connected to the Internet or a private network.
Domain name system
Meaning of the generic domain name “com”
Commercial Organization
Meaning of the generic domain name “edu”
Educational Institution
Meaning of the generic domain name “gov”I
Government Institution
Meaning of the generic domain name “int”
International Organization
Meaning of the generic domain name “mil”
Military Group
Meaning of the generic domain name “net”
Network Support Centre
Meaning of the generic domain name “org”
Other Organization
It is one of the most important Internet applications.
World Wide Web (WWW)
It provides a universally accepted standard for storing, retrieving, formatting and displaying of documents.
World Wide Web (WWW)
The format of web documents is based on a standard _________.
Hyper Text Mark-up Language (HTML)
It is based on client-server concept
World Wide Web (WWW)
It store web documents, while web clients retrieve web documents
Web servers
All web pages related to a particular organization or a particular person are known as a _________
Website
What are the 3 Uniform Resource Locator
Method
Host
Path
It is a Uniform Resource Locator that is the application layer protocol used to retrieve a document
Method
It is a Uniform Resource Locator that is the domain name for the web server. By convention, the domain names for the web servers begin with www.
Host
It is a Uniform Resource Locator that is the pathname of the file where the document is located.
Path
It is prepared by using a specialized markup language called HTML (Hypertext Markup Language).
Webpages
This language contains markup that determines how documents are to be formatted.
Hyper Text Mark-up Language (HTML)
Users can access the web through ____________.
Web Browsers
A web browser is a software application that is capable of communicating with __________
Web Servers
It allows users to browse the web by giving the appropriate URL.
Web Browsers
It is a private network that uses Internet services and TCP/IP protocols. It is basically a private Internet.
Intranet
It is a network established between a number of organizations. Through ____________, different organizations can communicate between each other. It also uses Internet services and TCP/IP protocols.
Extranet
It is the way in which an organizations IT infrastructure is organized and integrated.
Computing Environment
a computer in a network that provide services
Server
a computer in a network that uses the service provided by the server
Client
What are the types of computing environment
Enterprise-wide Computing
Internet Computing
In this environment, servers and clients are connected to a local network within an enterprise.
Enterprise-wide Computing
In this environment, computers are not only linked to other computers within an organisation, they are now linked to other computers in the whole world through the Internet
Internet Computing
It is a system of writing for expressing numbers.
Number System
It is the mathematical notation for representing numbers of a given set by using digits or other symbols in a consistent manner.
Number System
It provides a unique representation to every number and represents the arithmetic and algebraic structure of the figures.
Number System
It also allows us to operate arithmetic operations like addition, subtraction, and division.
Number System
What are the types of number system
Binary Number System
Decimal Number System
Octal Number System
Hexadecimal Number System
It uses 2 digits to encode a number
Binary Number System
It has base 10 because it uses ten digits from 0 to 9.
Decimal Number System
In this number system, the positions successive to the left of the decimal point represent units, tens, hundreds, thousands and so on.
Decimal Number System
are the numbers which have base 8.
Octal Number System
It is represented as N8.
Octal Number System
It uses the digits 0,1, 2, 3, 4, 5, 6 and 7 to represent the numbers in this number system.
Octal Number System
This numbering system is a numbering system which uses 16 different numerals
Hexadecimal Number System
the Base 16 Numbering System Hexadecimal or “__________”
Hex
We saw that decimal used ten numerals from 0 to 9. It expands on this by adding six more, the capital letters A, B, C, D, E and F.
Hexadecimal Number System
