Wipro Turbo Quiz on Computer Architecture and Organisation with Answers

MAR can interact with secondary storage in order to fetch data from it.

The processor BUS is used to connect the various parts in order to provide a direct connection to the CPU.

The Operational and processing part of the CPU are collectively called as data path.

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The processor operating is much faster than that of the I/O devices , so by using the status flags the processor need not wait till the I/O operation is done. It can continue with its work until the status flag is set.

In this method the processor constantly checks the status flags , and when it finds that the flag is set it performs the appropriate operation.

This is a method of accessing the I/O devices which gives the complete power to the devices, enabling them to intimate the processor when they’re ready for transfer.

The stalls are a type of hazards that affect a pipe-lined system.

This time also retards the performance speed of the processor.

The Tomasulo algorithm is a hardware algorithm developed in 1967 by Robert Tomasulo from IBM. It allows sequential instructions that would normally be stalled due to certain dependencies to execute non-sequentially (out-of-order execution).