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Explain the Architectural framework for electronic commerce.
An application independent framework to categorize service interaction relies on four basic dimensions
1. Service topologies
2. Cooperation models,
3. Execution techniques,
4. Quality of service
Explain the uses of thumbwheels Two thumbwheels are usually required to control the screen cursor in its horizontal and vertical position respectively. As the name implies,
Q. Explain the Hard Disk Controller & Floppy Disk Controller with necessary diagrams. Q. Explain Input/Output Techniques (Data Transfer Techniques).
What are the properties of E-cash? Properties: a. Monetary Value: It must be backed through either cash, bank –certified cashier’s cheque and authorized credit cards.
Give an account of modems used in data transfer. Modem: Modems are usually provided through network operators (Department of Telecommunication in India) or through vendors wh
Draw the logic diagram of 4-bit Twisted Ring counters and explain its operation with the help of timing diagram. Ans: Twisted ring counter (4 BIT): We ready know that shi
why we say OS is a resource allocator and control program
What does the 'SUPPRESS DIALOG' do? Suppressing of whole screens is possible with this command. This command permits us to perform screen processing "in the background". Sup
Q. Insert images in Dreamweaver? You will learn two methods to insert images in Dreamweaver-using Dreamweaver's main menu and using Objects panel. 1. Click anywhere in the l
Poor human support - Obstacle to Information System The full utility of an IS will only be realised if it is properly supported by the users. Technology is never a solution in
What is a demultiplexer? Ans: Demultiplexer: This is a logic circuit which accepts one data input and distributes this over some outputs. This has one data input, m selec
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