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The I/O interface provides a technique for transferring information between external I/O devices and internal storage. Peripherals linked to a computer require special communication links for interfacing them with CPU. Objective of communication link is to resolve differences which exist between central computer and every peripheral. The key differences are:
To resolve these differences, computer systems include special hardware component between the CPU and peripherals to supervise and synchronize all input and output transfers. These components are called interface units because they interface between the processor bus and the peripheral device.
Explain the operation of 8:1 multiplexer. Ans: In this multiplexer 8 Input and 1 Output and three select lines i.e. S 2 , S 1 , S 0 are given. Any one of the inputs will be
Illustrated about the layered architecture of Electronic Data Interchange? Layered Architecture of EDI: Electronic Data Interchange is most commonly applied into th
Using Web resource monitors we can search the performance of web servers. Using these monitors we can examine throughput on the web server, number of hits per second that happened
Name the languages introduced in second generation During the time of second generation many high level programming languages were introduced, such as FORTRAN (1956),
Draw the logic diagram of a full subtractor using half subtractors and explain its working with the help of a truth table Ans: Full Subtractor: It has to take care of repe
What is language of a model? Language of a model is the collection of formulae that use only the relational symbols the model assign and that use every relation symbol with t
Q. Why are high-speed memories required? Is the main memory not a high-speed memory? The answer to second question is absolutely 'No' though why so? Then if memories are slowe
A red and blue car were involved in a head-on collision. The red car was at a standstill and the blue car was possibly speeding. Eye witness video recorded suddenly following the
First Order Predicate Logic : This is a more expressive logic because it is mostly builds on propositional logic by allowing us to needs as constants, variables, predicates,
Diffrentiate programming tools and authoring tools Distinction between programming tools and authoring tools is not at first obvious. Though, authoring tools require less techn
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