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What is the role of IR and PC?
Instruction Register (IR) having the instruction being implemented. Its output is available to the control circuits, which make the timing signals for controlling the processing circuits required to implement the instructions. The Program Counter (PC) register keeps track of the execution of the program. It having the memory address of the instruction currently being implemented. During the execution of the current instruction, the contents of the PC are updated to correspond to the address of the next instructions to be implemented.
What is a Demultiplexer ? Ans. Demultiplexer has similar circuit as decoder but here E is obtained as the particular input line, the output lines are similar as decode
Now consider the following spreadsheet: Formula in cell D2 is = (B2/C2) Replicating this formula (by highlighting then drag down to D7) gives all the formulas needed in cell
Q Consider the following expression. Assume that complement inputs are available. F(A,B,C,D) = ∑m (1,2,6,9,10,14) + ∑d (4,7,8,11,12) a. Find minimal expression for SOP. Draw
Symbolic names can be associated with? Ans. With data or instruction symbolic names associated.
Draw the logic diagram of 16-bit ROM Array and explain its principle of operation. Ans: 16-bit ROM Array: A ROM that is read-only memory is an array of selectively closed
state function and path function
General principles of pruning: The general principles are such that: 1. Given a node N that can be chosen by player one, thus if there is another node, X, along any path,
Define buffering. A buffer is a memory area that keeps data while they are transferred among two devices or among a device and an application. Buffering is done for three reas
Define Terminal symbols? Terminal symbols: These are literal strings forming the input of a formal grammar and can't be broken down in slighter units without losing literal m
The variable that are declared outside all the functions are called The variables that are declared outside every functions are known as global variable.
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