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Input/output (I/o) unit:
This unit provides the interface between the computer and the computer peripherals. A computer peripheral is any unit, which is attached to, but is not part of, the computer - e.g. visual display units, teleprinters, etc. A simple computing system may have only one input and one output. In such cases, an analogue-to-digital converter (ADC) may suffice for the input, and a digital-to-analogue converter (DAC) for the output. Alternatively, complex-computing systems can literally service thousands of peripherals.
Figure illustrates a simple I/O unit. The I/O unit can be described as a fan-out (and fan-in) device. The computer's 8-bit bi-directional data bus can be connected to port 1, 2 or 3. The port chosen is dependent upon the address, on the address bus. The system illustrated allows three peripherals to communicate with the computer. Only one peripheral at a time can send data to the computer, or receive data from the computer. However, this is not a problem, because the computer works very much faster than the peripheral, and hence, it appears that the computer services all three peripherals simultaneously.
PLEASE HELP ME TO CONSTRUCT THE XOR GATE USING ONLY NAND GATE
Problem Write the steps to use the Network setup wizard. Elaborate the optional subcomponents in the windows component wizard. 1. Click Next to skip past the Welcome screen.
what is computer topology .
Software Licensing: Until early 1970's, sharing of software was the accepted norm. Hardware came bundled with software products which could be freely redistributed and the acc
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just the once the instruction has been fetched and is accumulated, the next step is to decode the instruction so as to work out what actions should be performed to execute it. This
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Question 1 Write a note on advantages and disadvantages of Linux 2 Write a note on "File Permissions" on linux 3 Explain the usage of following Linux commands Cd kill
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Multiprocessor DSP Systems Over modern times several organizations have provided forums made up of several DSPs. More lately, semiconductor organizations have been providing sn
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