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What is a Priority Interrupt?
Ans: A priority interrupt is a type of interrupt that establishes a priority over the many sources to determine which condition is to be serviced first when 2 or more requests arrive simultaneously.
Describe bus.
Ans: When a word of data is transferred among units, all the bits are transferred in parallel over a set of lines which is called bus. In apart to the lines that carry the data, the bus must have lines for control purposes and address.
Explain synchronous bus.
Ans: Synchronous buses are the ones of the bus in which each item is transferred during a time slot (clock cycle) known to the source and destination units both. Synchronization can be gain by connecting both units to a common clock source.
What are the disadvantages of a Smart Card? Disadvantages of Smart Cards are as follows: a. The value of money can be depleted and recharged. b. Customers should keep
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What is an interface and what is an abstract class? Please, expand by examples of using both. Explain why. In a interface class, all methods are abstract without execution w
Q. What is a good resolution? In fact it relies on your hardware. Hence it's the maximum your hardware can allow you. But one odd-looking resolution that has become popular is
a. What are the differences among conventional signatures and digital signatures? Write a short note on "Attacks on digital signature". b. What is Public-Key Infrastructures
What is an encoder? Draw the logic circuit of Decimal to BCD encoder and explain its working. Ans. Encoder: It is a combinational logic circuit which converts alphanumeric ch
How do you turn off cookies for one page in your site? Use the Cookie. Abandon Property which Gets or sets the discard flag set by the server. When true, this property instruc
Q. What is Parallel Balance Point? In order to execute parallel algorithm on parallel computer K processors are necessary. It should be noted that given input is allocated to
Q. Power supply in computer system? Computer operate electronically- either by power supply attained from your electric plug or batteries in case of portable computers. Though
how many pins does a floppy drive connector have
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