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How many flip flops are required to construct a decade counter ?Ans. 4 FlipFlop's are required because decade counter counts 10 states from 0 to 9 (that is from 0000 to 1001).
The 16 keys (4x4 matrixes) keypads diagram is shown in figure 4 above. Let see how the keypad is connected. Each square of the alphanumeric has to be pushed to make a switch or con
Write down the basic performance equation? T=N*S/R T=processor time N=no.of instructions S=no of steps R=clock rate
Define miss penalty? The extra time required to bring the desired information into the cache is known as miss penalty.
a. Explain the hardware mechanism for handling multiple interrupt requests. b. What are handshaking signals? Describe the handshake control of data transfer during input and out
How to maintain lists? To return from a high list level to the next-lower level (SY-LSIND), the user chooses back on a secondary list. The system then gives the currently dis
Algorithm to insert a key in B-tree is as follows: 1. First search is completed for the place where the new record must be put. As the keys are inserted, they are sorted into
What is Priority interrupt. It is a system that establishes a priority over the several resources to determined which condition are to be serviced first when two or more reques
Can you explain what inheritance is and an example of when you might use it? The process of deriving a new class from an existing class is known as Inheritance. The old class i
Advantages of random scan display Early computer displays: basically an oscilloscope. Control X, Y with vertical/horizontal plate voltage. Often used intensity as
Draw an expression tree for the string. f + (x+y) *((a+b)/(c-d)). Indicate the register requirement for each node and list out the evaluation order for the expression tree. For
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