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Q. Explain the following:
a. BCD code
b. Gray code
c. Excess-3 code
d. True complement method
Q. Addition-Subtraction-Multiplication-Division:
Perform Binary Addition on following:
1) 1010 + 11110.01
2) 1101.11 + 1.11
3) 0.0011+0.1110
Draw and elucidate the block diagram of programmable interrupt controller 8259. The 8259A adds 8 vectored priority encoded interrupts to microprocessor. It can be expanded to 6
Differentiate between Protection and Security Operating system contains a collection of objects, hardware or software. Every object has a unique name and can be accessed via a
Problem 1 (a) Identify and briefly describe the possible roles of Codes of Ethics (b) Describe why is a code of ethics important to stakeholders. (c) Explain how should
What is memory mapped I/O? When the I/O devices share the similar address space, the arrangement is known as memory mapped I/O.
What is referred as memory mapped I/O. The case in computers that employ only set of read and write signals and do not differentiate between memory and I/O address. This is kno
Why is catch (Exception) almost always a bad idea? Well, if at that point you know that an error has happened, then why not write the proper code to handle that error instead
What are the Advantages of carrying out simulations - saves cost (instead of doing the real thing) - Safer (scenarios tried out on the simulation first before used in real
#question.A universal shift register can shift in both the left-to-right and right-to-left directions, and it has parallel-load capability. Draw a circuit for such a shift register
Yes, single thread module
Determine the features of keyboards Common features on general-purpose keyboards are cursor-control keys. Functions keys are used to enter frequently used operations in a singl
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