Schema is a active directory service,The schema keeps a list of the definitions for each object such as Computer or User.

URL stand for Uniform Resource Locator, which URL specifies the address of a file and every file on the internet has a unique address.

Min memory is the communicate directly with the CPU. As secondary memory cannot.
As is Secondary memory is an old term methinks, referring to the storage medium. Hard drives, stuff like that.
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There are four types of computer as is Personal computer,Main frame computers, minicomputer, super computer.

You can try hitting Ctrl H and see if the history pops up.after then, right click an item and hit delete, or you can just highlight it and hit the Delete button.  
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Follow this step:

To delete your Internet history in Internet Explorer, open the <Tools> menu, select <Internet Options>, click the <Clear History> button, and finally click the <Yes> button>Apply>OK

Central Processing unit is a microprocessor,CPU carried out a large share of the work in the computer,as data pass continually through it,which CPU depend on the data program,The CPU continually receive instruction t be executed, Each instruction is data processing order, the works itself consists mostly of calculation and data transport.

There are three types of boot process
1: Hard Disk Boot: In this boot process machine is started for normal operations.

2: Disk less Network Boot: In this boot process A disk less or dateless workstation is started remotely over a network. A machine is started for normal operations. One or more remote … Read more

TCP/IP is a connection oriented protocol.

TCP/Ip is Microsoft product,TCP/IP can be used as a communication protocol in a private network.it uses the client /server model of communication in which a computer user request and is provided a service by another computer in the network.
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There are two primary disadvantage of TCP/IP,Its size and Speed.TCP/IP is relatively large protocol stack, as can cause problems in MS-DOS based clients.

DNS is a Domain Name System,it is network to translate host name to ip address,dns basically resolved the query of clients machine there are three types of query: Simple quarry, recursive quarry, and intrative quarry.

You can change the screen resolution on a computer in Microsoft windows by right clicking on the desktop … Read more

There are difference type of USB Cables - USB 2.0 Cables, mini USB Connector Cables, Extension Cables and adapters.

The full form of Hp and Xp:
HP: Hewlett Packard
And XP :eXtended Programming.

TNT(Thomas Nationwide Transport) as is delivery company that is provide the package either world wide or within a country by couriers.

There are different type of processor as some are.....
Intel Processor as is 80186,8087,8088,80188,286,80287.
Microprocessor are..486dx2,486dx4,486dl,487sx,486sx2,486sx,386sx,386sl,386dx .
Other different type of microprocessor is..pentium60/66,Pentium 75-200,486 Pentium OD,Pentium 111,Pentium 111e,Pentium xeon, pentium111e xeon.

Booting in computer is powering it on starting the operating system.which section will identify the performance is the boot process.

It is incorporated into other device,for example:music players, mobile phones,digital cameras,it is specialist It Hardware or networking,and any types of domestic control system.

Line Printer as is high speed impact printer,it is line printer speeds of 600 to 1200 line per minute,
There are four type of line printer:-
Drum Printer,Bar printer, comb printers, Chain printer.