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Why data bus is bidirectional and address bus is unidirectional in most microprocessors?
The data bus is bidirectional because the data bus has to transfer data among the CPU and memory/I/O device, while the address bus is used to send out memory address from the CPU, as it is unidirectional.
Translate each of the following sentences into predicate calculus, conceptual dependencies, and conceptual graphs: 1. Bill sold the book to the book store." 2. "John borrowed
I have used the PIC18F452 microcontroller for both the main micro and the interface chip device because of it enhanced features that can be used to meet the specification required
What is swtiches
Write short note on the Johnson counter. Ans: Johnson Counter: It is a synchronous counter, where all flip-flops are clocked concurrently and the clock pulses drive the
Q. Which things should microprocessor validate? A microprocessor should validate: Powerful addressing modes More addressing capability More throughput Po
Explain the raster scan monitors The refresh process must also be performed for raster scan monitors. Most television monitors are raster scan display devices : one scan-line a
Discuss the CSMA/CD and CSMA/CA protocols. CSMA/CD: this is an access method used mainly with LANs configured in a bus topology. Along with CSMA/CD, any station (node) can se
Before proceeding with its execution, each process must acquire all the resources it needs is called ? Ans. Hold and Wait is requires in each process should acquire all the res
chemistry behind them in brief
The number 140 in octal is equivalent to decimal number ? Ans. (140) 8 = (96) 10 As 1 x 8 2 + 4 x 8 + 0x 1 = 64 + 32 = 96
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