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Q. What is Functions of Input - Output Interface?
An I/O interface is bridge between processor and I/O devices. It controls data exchange between external devices and main memory or external devices and processor registers. So an I/O interface offers an interface internal to computer which connects it to processor and main memory and an interface external to computer connecting it to external device or peripheral. I/O interface must not only communicate the information from processor to main I/O device but it must also coordinate these two. Additionally since there are speed differences between I/O devices and processor, I/O interface must have facilities such as buffer and error detection mechanism.
Write short note on Associated vs. Common channel signaling. Associated vs Common channel signalling: The out band signalling suffers from the very restricted bandwidth.
Show that we can represent pairs of nonnegative integers using only numbers and arithmetic operations if we represent the pair a and b as the integer that is the product 2a3b. Give
What is to be defined for a push button fields in the screen attributes? A function code has to be described in the screen attributes for the push buttons in a screen.
Q. Show Error detection mechanism? Error detection mechanism can be described as below: Figure: Error detection and correction
Explain Binary number system. Ans. Binary Number System The number of system along with base or Radix two is termed as the Binary Number System. To show the number, 0 a
What are condition codes? In many processors, the condition code flags are kept in the processor status register. They are either set are cleared by lots of instructions, so th
reflection in 2d
find the radius of curvature at the point (3,3) at a point x3+xy2-6y2=0?
Q. When an object travels with constant velocity does its average velocity during any time interval differ from its instantaneous velocity at any instant? Answer:- No It i
What is a reference string? An algorithm is evaluated by running it on a exacting string of memory references and computing the number of page faults. The string of memory refe
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