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Geographical earth forms often make excellent political boundaries. In many cases they are logical and can be long lasting. Each situation regarding a physical boundary must be assessed separately. Here are some examples of physical boundaries that have worked in the past.With that said, modern technology has been able to overcome certain physical boundaries. Ones that in the past that have been logical and long lasting are the following and do not exclude others:The Atlantic and Pacific oceans have been water boundaries that effectively, without a treaty, separated nations in the Western Hemisphere from nations in Europe and East Asia;For a long time, the Rio Grand was a natural and logical boundary that separated Mexico and Texas;The Red Sea is a natural boundary that separates Egypt from Saudi Arabia; andThe English Channel was a t one time a logical and natural boundary separating England from Europe.
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Rivers,mountains, and valleys are examples of physical features
Physical change
A physical change is any sort of change in an object's physical appearance or physical state of being.Some examples of physical changes include:freezing a glass of watercutting wooddropping plates, or cupschopping fruits or vegetablestearing paperbreaking itemschewing pencilspeeling potatoes
disk scanner
Data are physical files, for example, some picture files, word files on your computer. Information is the meaning of those data, for example, your company's finance information in the word file.
difference between physical and logical data flow diagrams.
folder
Yes, a physical topology can support multiple logical topologies.
* Physical file (PF) contains the data and have only one record format. Logical file (LF) is a view of the physical file which does not contain any data may be based on one physical file or more then one physical file. Logical file can have more then one record format. Logical can be non join or join logical file. Performance becomes better if you use the logical file in the program.
token ring uses a physical star and a logical ring ,while FDDI uses a physical star/ring and a logical ring.
A physical data flow diagram shows how a system will be implemented, including the hardware, software, files, and people involved in the system whereas a logical data flow diagram focuses on the business and how the business operates.
Can a single physical topology support multiple logical topologies give a proper reason.
The concept of a logical address space is simply involved the process of mapping the Logical addresses to their Physical Addresses . Logical addresses are generated by the CPU; also referred to as virtual addresses.while Physical Address is the actual address of the data stored on the physical device and mapped by MMU.
the schema can be termed either conceptual or logical or physical. But mostly speaking, the term schema is used to refer to a logical structure.
Network architecture refers to the design and structure of a network, including components, protocols, and technologies used for communication. Network topology, on the other hand, refers to the physical or logical layout of devices and how they are connected in a network, such as bus, star, ring, or mesh. In essence, network architecture defines how components work together, while network topology defines how components are arranged.