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Q. What is Bus arbitration?
In this technique, I/O interface first needs to control bus and only after that it can request for an interrupt. In this technique because only one of interfaces can control bus so just one request can be made at a time. The interrupt request is acknowledged by CPU on response of that I/O interface places interrupt vector on data lines. An interrupt vector generally contains address of interrupt serving program.
zero, one, two three address instructions
representation of the adjacency matrix and adjacency list
Differentiate between AT and XT computer system? Ans XT -> Extended and AT->Advanced Technology Some differences between PC and XT include the type of power supply initia
Design a mod-12 Synchronous up counter. Ans. Design of a mod 12 synchronous counter by using D-flipflops. I state table Present state Next
Explain about the Voice recognition device Blind and partially-sighted people can communicate with a computer using microphone and software (keyboard and touch screens can't be
What is Directory? The device directory or simply called as directory records information-such as name, location, size, and type for all files on that certain partition. The
(i) A multiplexer combines four 100-Kbps channels using a time slot of 4 bits. Each Frame has the size of 16 bits. a) Show the output with the four inputs as shown in the figu
Q. Explain the typical organization of a computer? There are two principal components: hardware and software. The former refers to physical components such as memory unit (MU),
In order to restore the system defaults for all changes made with the format statement is Format Reset
Side tone is the speech heard by (A) the receiving subscriber (B) both the receiving and calling subscriber (C) by on looker (D) by calling subscriber Ans
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