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Explain Direct Memory Access.
A modest enhances in hardware enables an IO device to transfer a block of information to or from memory without CPU intervention. This task needs the IO device to generate memory addresses and transfer data by the bus using interface controllers.
Explain SR Latch with NAND Gate? SR Latch has two useful states: Set state, when output Q=1 and Q'=0. Reset state, when output Q=0 and Q'=1.Output Qand Q' are normally
How does the Dialog handle user requests? when an action is performed ,the system triggers the PROCESS AFTER INPUT event. The data passed contains field screen data data enter
How many lists can a program can produce? Every program can produce up to 21 lists: one basic list and 20 secondary lists. If the user makes a list on the next level (that is,
Subtraction of 01100-00011 using 2's complement method Ans. Firstly 1's complement of 00011 is 11100 and 2's complement is 11100 + 1 = 11101. Thus If a last carry is
Explain the importance of Computer architecture Computer architecture courses cover application, organization, architecture, logic and transistor layers. However, four other la
Somehow, the worksheet has external links to files that are no longer around. How can we delete the links? Ans) This happens all of the time to MrExcel. I downloaded a little
What is a resource-allocation graph? Deadlocks can be described more precisely in terms of a directed graph known as a system resource allocation graph. This graph having of a
Q. Addition of array elements using two processors? In this example we have to find sum of all elements of an array A of size n. We will divide n elements in 2 groups of roughl
Q. Define Interrupt Processing? On completion of execution of an instruction machine checks whether there is any pending interrupt request for interrupts which are enabled. If
A real time system is a computer system that updates the information at the similar rate it receives it. Real time system is of two types:- a) Hard real time system and
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