Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
6 Cards in this Set
- Front
- Back
What is WAN and LAN?
|
LAN is generally confined to a limited geographicalarea such as a building oran office;connects in small space. WAN covers a large geographical area; connects over broad space. Most WANs are made up of severalconnected LANs. |
|
What is an interface and the types of interfaces.
|
Interfaces - A boundary across which twoindependent systems meet and act on or communicate with each other. 1. user interface - thekeyboard, mouse, menus of a computer system. The user interface allows the userto communicate with the operating system. 2. software interface - thelanguages and codes that the applications use to communicate with each otherand with the hardware. 3. hardware interface - thewires, plugs and sockets that hardware devices use to communicate with each other Graphical User Interface |
|
What is the operating system?
|
A. Operating System Consists of master programs - RAM |
|
Know the types of networks.
|
Types of Networks: 1. Local Area Network (LAN) – a network that spans a smallarea such as a building or an office. Software applications and otherresources are stored on a file server. Print servers enable multiple users to share the sameprinter. 2. Wide Area Network (WAN) – a network that spans a widegeographical area; there are several types of WANS: a. Metropolitan area network(MAN) b. Public access network (PAN) c. Value added network (VAN) d. Virtual private network (VPN) |
|
Know the different types of internet, Ethernet, and extranet.
|
Internet - is a large network made up of many smaller networks. EX. one city mayconnect to other cities and that creates a region. That region might connect toanother region; for example, the western United States may connect to theMidwestern portion of the United States. Ethernet - sends internet data from one node to another in packets. Intranet - Allows companies to supplyInternet services over a LAN. It is a closed internet, inside the company. EX. LOLA Extranet - Allowscompanies to directly communicate with each other’s networks EX. A book publisher gives access to her students to her book that is on the Internet. |
|
Different types of memory – cache, RAM, ROM
|
|