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COMPUTER KNOWLEDGE

General Knowledge

First Computer Game.

First Computer Virus.

First Programming Language.

First Computer Operating System.

First Computer Software.

First Computer Animated Movie.

First Computer Used.
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About Computer.

- Charles Babbage is Father of Computer.

- BIOS full form is BASIC INPUT OUTPUT SYSTEM..


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Computer Operating System

- A computer can not work without operating system.

- Microsoft Windows is operating system developer.

- Windows NT Server and Windows 2000 Home Edition.

- Windows Professional support 2 processors.

- Linux is a Multitasking Operating System.

- Linux can run multiplatforms and on different CPU.

- Linux was developed by Linux Torvalds.

- Windows Media Center is the latest operating systems from Microsoft.

- You have both Windows XP and Linux installed on your computer. This configurations is knows as Dual Boot.

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Computer Network.

- Ip address  once assigned to the computer can be changed.

- .32 bits and 48 bits respectively bits have the IP address and the MAC address.

- DHCP servers working within an Active Directory have to be Authorized.

- 255.255.255.255 IP address will you use to send  a message to all devices to your network segment.

- Class A does  whose first order is in the range of 1-126 belong.

- 23 octet is the network ID in this IP address: 23.78.110.109.

- Class A network class does an IP address whose first octet  is in the rabge of 128-191 belong.

- Class A the mast 255.0.0.0 is the default subnet mask for network class.

- Static IP addresses is manualy assigned.

- MAC address identify the nodes of a network uniquely.

- APIPA stands for Automatic Private IP addressing.

- Simplex mode of communication where data can be transmitted only inone direction.

- Uncast is a mode of communication where information is transmitted from one specific point to another point(Point to point).

- SMTP stands for Simple Mail transfer Protocol.

- The maximum data transfer rate of a CAT 2 cable is 4 Mbps.

- CSMA/CD stands for Carrier Sense Multiple Access with Collision Detection.

- CSMA/CA is type of access method do IEEE 802.11 Standard use.

- Multicasting  is transmission allows one device to send data to a specific group of de
vices.


Note:  I add more knowledge in next time please read it.


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