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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.
Explain the types of hardware used in supermarkets These use many types of specialist I/O hardware. For instance: - Bar code readers/scanners (to read product details and e
Discuss the customer-to-customer transactions. C2C (customer-to-customer): Person-to-person transactions are the oldest type of e-business. They have been there since the
In TCP protocol header "checksum" is of___________? In protocol header of Transfer Control Protocol checksum is of 16 bits.
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a) What command do you use to list all listening sockets? The output should also contain the name of the program to which the socket belongs. b) Write the command to use to
What is independent process? A process is independent it cannot affect or be affected by the other processes implementing in the system. Any process does not share data with ot
State the structure of Verilog code you follow? A good template for your Verilog file is shown below. // timescale directive tells the simulator the base units and precision
Describe the necessary conditions for Deadlock. Required conditions for deadlock 1. Mutual exclusion 2. Hold and wait 3. No preemption 4. Circular wait Mutual e
Compare the memory devices RAM and ROM. Ans. Comparison of Semi-conductor Memories RAM ands ROM The advantages of ROM are: 1. This is cheaper than RAM. 2. This is non-volatil
Discuss two main approaches to identify free memory area in a heap. Two popular systems to identify free memory areas as a result of allocation and de-allocations in a heap are
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