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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.
Q. Describe about Sole Access Protocol? The atomic operations that have conflicts are handled with the help of sole access protocol. The method used for synchronization in this
Determine the begin - end keywords Group several statements together. Cause the statements to be evaluated sequentially (one at a time) -> Any timing within sequential group
The features are needed to implement top down parsing are? Ans. Source string marker, Prediction making mechanism and also matching and backtracking mechanism features are need
Q. Show the Hypothetical Instruction Format of 32 bits? A sample instruction format is shown in figure below. Figure: A Hypothetical Instruction Format of 32 bits
Q. Components of magnetic disk? Disk itself is mounted in a disk drive that comprises arm which is a shaft that rotates disk and the electronics required for input and output b
how it is calculated?
you will implement a second-order low-pass filter using the finite difference method. The finite difference method is a useful mathematical method that is used to numerically solve
Your shell must accept a change directory command. This will be in the form: cd path where cd is the change directory command and the path is what you will change the direct
Define the term- encryption The user would then type in O P E and card purchase will be authorised. This extra protection is used as well as encryption. Some of the new syste
Q. Define Wait protocol? The wait protocol is used for resolving conflicts that arise due to some multiprocessors requiring same resource. There are 2 kinds of wait protocols:
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