... 1. GSM only knows a two-layer hierarchy.
2. The network operator stores all customer information in their HLR, all relevant information about logged-in users for a certain region are stored in the corresponding VLR.
3. The HLR has a capacity of several million users, and a VLR up to one million.
... - The Andrew File System (AFS) is a DFS that came out of the Andrew research project at Carnegie
Mellon University (CMU). Its goal was to develop a DFS that would scale to all computers
on the university’s campus. It was further developed into a commercial product and an opensource
branch was later ...
... **Subject:** Parallel and Distributed System
**Topic:** Distributed File System
**Difficulty:** Medium ...
... **Short Term Memory:**
For the purpose of a discussion on memory loss, short term memory is equivalent to very recent memories, usually measured in minutes-to-days. Examples of short term memory include where you parked your car this morning, what you had for lunch yesterday, and ...
... The whole process of Goal directed design is broken down into six steps.
In this stage you collect qualitative data about the users or potential users through field studies and interviews. You carry out a competitor analysis and interview key stakeholders to gather th ...
... Consider again the following grammar.
S $\displaystyle \longmapsto$ Aa | b
A $\displaystyle \longmapsto$ Ac | Sd | $\displaystyle \varepsilon$
We order the nonterminals: S < A.
There is no left recursive S-productions.
So the next step is to remove S from the right-hand side of the A ...
... Design Issues of Distributed DBMS
**Distributed Database Design**
One of the main questions that is being addressed is how database and the applications that run against it should be placed across the sites. There are two basic alter ...
... **Mumbai University > Computer Engineering > Sem 6 > Distributed Database**
**Year: May 2015, May 2016, Dec 2015 & Dec 2016** ...
... 1. In computer architecture, Amdahl's law gives the theoretical speedup in latency of the execution of a task at fixed workload that can be expected of a system whose resources are improved.
2. It is named after computer scientist Gene Amdahl, and was presented at the AFIPS Spring Joint Computer C ...