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Define Polling.
A Polling process is used to recognize the highest priority source by software means. In this process there is one common branch address for all interrupts.
What is a customer-to-business transaction? C2B (customer-to-business): The most significant activity into e-commerce isn’t selling. That is buying. Rather often which do
? Activities: An activity shows an action that performed in the system. ? Transitions: Transitions are shown by open arrow heads. Transitions are used to specify the flow among
Explain the working of broad band ISDN. BISDN Configuration: Figure shows how access to the BISDN network is accomplished. All peripheral devices are interfaced to the acces
Direct inward dialling is used as a feature in? Direct inward dialling is utilized as a feature in EPABX.
What is generalization? Generalization is a relationship among a class (super class) and one or more variations of the class (sub classes).It arrange classes by similarities an
We now consider the relation between passwords and key size. For this purpose consider a cryptosystem where the user enters a key in the form of a password. Assume a password consi
CONTROL SECTION: The control section directs the flow of traffic (operations) and data. Also it maintains order within the computer. The control section chooses one program sta
Q. Explain Memory Write operation? Memory write operation transfers content of a data register to a memory word M selected by the address. Presume that data of register R1 is t
What is meant by scan code? When a key is pressed on the keyboard, the keyboard controller places a code take to the key pressed into a part of the memory known as the keyboar
Instruction Level It refers to condition where different instructions of a program are implemented by different processing elements. Most processors have various execution unit
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