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Q. Explain about working of Multiplexer?
Multiplexer is one of the fundamental building units of a computer system that in principle permits sharing of a common line by more than one input lines. It associates many input lines to a single output line. At a specific instance one of the input lines is selected and selected input is passed on to output line. The figure 4×1 multiplexer (MUX) is given in figure.
Figure: 4 × 1 Multiplexer
What do you mean by memory mapped I/O? In Memory mapped I/O, there is no particular input or output instructions. The CPU can manipulate I/O data residing in interface register
Q. How to load DOS from Floppy Disk? If DOS is not setup on the Hard Disk of your PC, or you want to load DOS from the Floppy disk drive due to any reason, follow these steps:
In binary counter the flip flop of lowest order position is complemented with each pulse. This means that JK input position must be maintained with logic one
Q. Illustrate benefits of register addressing mode? The key benefits of register addressing are: Register access is faster than memory access and henceforth register add
What are advantages and disadvantages of TTL gates design with Wired-AND connection ? Ans. Advantages and disadvantages In this IC added logic is performed with
What is pattern? A pattern is a proven solution to a general problem. Lots of patterns are used. There are patterns for analysis, architecture, design and execution. Patterns c
Q. What is Serial Mouse? Mice that use standard serial port are known as 'serial'. Because Serial ports 1 and 4 (COM1, COM4 under DOS, /dev/ttyS0 and /dev/ttyS3 under Unix/GNU-
What is reification? It is the promotion of something that is not an object into an object. Helpful method for Meta applications. It shifts the level of abstraction. Promote
Ground substitution: Here the act of performing an instantiation is a function like there is only one possible outcome means we can write it as a function. And the notation Su
Explain the following the address instruction? Three-address instruction-it can be represented as add a,b,c Two-address instruction-it can be shown as Add a,b
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