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Explain the term - Integrity
In most cases, corporate data should remain unchanged by third parties, so the system should be capable of ensuring that only authorised personnel can effect changes. Integrity also concerns the subject of non-repudiation-once an order is received, for instance, the customer should not be able to claim later that it did not come from him. Digital signatures allow us to verify the originator, as well as ensuring that data has not been tampered within transit.
What is transformation? A transformation is a mapping from the domain of models to the range of models. When modeling, it is significant not only to focus on customer needs, bu
Determine about the Information centres Airports, supermarkets and any application where information needs to be relayed to customers, gain advantage from having automatic inf
Prove the equations A + A‾ .B + A.B‾ = A + B using the Boolean algebraic theorems ? Ans. The equation is A + A‾.B + A.B‾ = A + B L.H.S. = A + A‾ .B + A.B‾ = (A + A.B‾) + A‾.B
Differentiate Traditional Commerce verses Electronics Commerce. Identity: Into traditional commerce customers can simply authenticate the identity of a merchant simply throug
Question: (a) Describe the differences between a URI, a URN and a URL. (b) What are the five basic syntax rules for a well-formed XML document? (c) Provide four uses of
The number of control lines for 32 to 1 multiplexer is ? Ans. For 32 (2 5 ) the number of control lines and to select one i/p between them total 5 select lines are needed.
Describe the types of flip-flops and latches. Flip-flops are of two types as illustrated below: a. Positive edge triggered b. negative edge triggered Latches are
And-Introduction: In generally English says that "if we know that a lot of things are true, so we know that the conjunction of all of them is true", then we can introduce conj
What is metadata? Metadata is data that explains another data. Class definition is metadata. Models are inherently metadata as they explain the things being modeled.
Define external layer? The external layer is the plane at which the user sees and interacts with the data, that is, the data format in the user interface. This data format is
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