Mask Definition For Computers

A subnet mask is a number that defines a range of ip addresses that can be used in a network. For example consider the ip address 150 215 017 009 assuming this is part of a class b network the first two numbers 150 215 represent the class b network address and the second two numbers 017 009 identify a particular host on this. This process known as subnetting divides an ip network into blocks of logical addresses subnetting can improve security and help to balance overall network traffic.

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It is not something you wear on your head to keep subnets out subnet masks are used to designate subnetworks or subnets which are typically local networks lans that are connected to the internet.

Mask definition for computers. A subnet mask is a 32 or 128 bit number that segments an existing ip address in a tcp ip network and divides that address into discrete network and host addresses. The actual image in which the unused areas are given a pixel value with all bits set to 0s and an additional mask in which the correspondent image areas are given a pixel value of. Subnet mask is a mask used to determine what subnet an ip address belongs to. In microsoft windows a search mask is a string which may.

It does so with bit arithmetic whereby a network address is bit multiplied by the subnet mask reveal the underlying subnetwork. A netmask is another type of bitmask used in computer networking one type of netmask a subnet mask defines logical divisions subnets of a computer network for instance a subnet mask of 255 255 255 0 masks out the first three bytes of an ip address leaving only the final byte the host identifier. Meaning pronunciation translations and examples. The process of subnetting can further divide the host portion of an ip address into additional subnets to route traffic within the larger subnet.

A mask is a piece of cloth or other material which you wear over your face so that. Noun an example of a mask is a face covering that children wear on halloween. Short for subnetwork mask a subnet mask is data used for bitwise operations on a network of ip addresses that is divided into two or more groups. Systems within the same subnet can.

A common example of a subnet mask for class c ip addresses is 255 255 255 0 the. A subnet mask is a 32 bit number used to differentiate the network component of an ip address by dividing the ip address into a network address and host address. An ip address has two components the network address and the host address. For example when defining a database field it is possible to assign a mask that indicates what sort of value the field should hold values that do not conform to the mask cannot be entered.

In computer graphics when a given image is intended to be placed over a background the transparent areas can be specified through a binary mask. This way for each intended image there are actually two bitmaps. The definition of a mask is something that conceals or disguises particularly a covering for the face. A filter that selectively includes or excludes certain values.