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Define about signal and component of obejct oriented modeling
A signal is a specification of an asynchronous stimulus communicated among instances.
A component is a physical and replaceable part of a system which confirms to and provides realization of a set of interfaces. In UML, it is represented as a rectangle with tabs. The notation for component and interface are as follow:
a)component b) Component and server
Rhythm Rhythm in art refers to the way that your eye moves through a picture and can be thought of in a similar way to rhythm in music. Your eye will move through some picture
How can it be achieved in designing e-cash based system? E-cash is essentially an online solution. The buyer must validate the coins by the issuer in order to get the purchase
Problem: a) Most RMI and RPC systems expect to be supported by the "Request-Reply Protocol". Describe what "Request-Reply Protocol" is. b) Describe the invocation semantics
Differentiate between Protection and Security Operating system contains a collection of objects, hardware or software. Every object has a unique name and can be accessed via a
What are the types of pipeline hazards? The various pipeline hazards are: 1. Data hazard 2. Structural Hazard 3. Control Hazard.
Use of instruction register and program counter: Q. What is the use of instruction register (IR) and program counter (PC)? Ans: The instruction register (IR) holds the inst
Explain dissimilar security protocols used for e-commerce applications. The e-commerce systems of today are composed of a number of components including: a commerce server, d
Read only memory (ROM) ROM holds the instructions for starting up the computer. This sort of memory can only be read and can't be altered (that implies deleted or written to) a
What is most common biometrics? Explain in brief. The most common biometrics is as given below: Face geometry (Photo): The computer captures the picture of your face and m
Explain the basic performance equation Ans: The basic performance equation is following T = N * S/ R T => It is processor time required to execute a program N => act
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