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Class of Microcomputers II at a University needs to design a computer system with an 8-bit address bus, an 8-bit data bus and it uses isolated VO. It has 128 bytes of EPROM starting at address 00H (H meaning in hexadecimal) constructed using 64x4 chips; 64 bytes of RAM constructed using 16x8 chips; an input device with a READY signal at address ABH; an output device with a READY signal at address CDH; a bidirectional input/output device with no READY signal at address EFH. Please show the complete design for this system. (Choose an appropriate starting address for the RAM by yourself, and use a decoder to enable memory chips.) include all enable and load logic.
Evaluating the following components: (1) Memory chips and structure
(2) Memory chips decoder
(3) Input & outpr.tt devices and their enable logic
(4) Data bus and other wire connections (25% in which 5% is fbr the width of the connection wire between all pairs of components).
3. The task of accessing physical devices is divided between IO.SYS and MSDOS.SYS. Briefly explain the functions performed by these two modules. Why does it make sense to split these sets of functions ?
Let the 32-bit hash function defined as concatenation of two 16-bit functions: XOR and RXOR. Will this checksum detect all errors caused by odd number of error bits? Describe.
Write the function linecount that reads text files (.txt) and gives you number of lines in the file.
Write a java program that will print the words Hello World
In the early days of computer graphics, colors where represented as two numbers. The first number was the foreground color and the second was the background color. These two values, which ranged from 0 to 15 were stored within a single byte; the fore..
Create a Visual Basic program that creates a bill for an automobile repair shop. The shop bills customers at the rate of $35 per hour for labor. Parts and supplies are subject to a 5% sales tax.
Summarize the difference between cyber crimes and cyber-related crimes. On cyber crimes, define cyber trespass, cyber privacy and cyber vandalism. On cyber-related crimes explain the difference between cyber-assisted and cyber-enhanced crimes.
What advice would you give the managers of this company? What would be the best storage system for their needs and why?
When would a weak relationship be more suitable than a strong relationship? Give concrete examples?
A client of K & R has come to you for information regarding loops, iterators, and arrays. He needs you to help him comprehend these concepts. To assist this client, briefly address the following in a 1-2 page Notepad document.
Which technology (half or full duplex) has a lower effective throughput rate
Provide an explanation of hash tables, including a description of a realistic scenario that could be solved with the application of a hash table.
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