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Q. Make an instruction execution feasible?
What are the functions that a control unit performs to make an instruction execution feasible? Instruction execution is achieved by executing micro-operations in a specific sequence. For different instructions this sequence can be different. So the control unit should perform two elementary functions:
However how are these two tasks achieved? The control unit produces control signals which in turn are responsible for achieving the above two tasks.
How many select lines will a 32:1 multiplexer will have ? Ans. 5 select lines will be required for 32 inputs, as 2 5 = 32.
What is WMFC? WMFC if the control signals that causes the processor's control circuitry to wait for the arrival of the MFC signal.
Q. Define the Circular shifts ? Circular shifts ROTATE RIGHT andROTATE LEFT. Bits shifted out at one end of word are not lost as in a logical shift however are circulated back
What are the disadvantages of Bespoke Software - Very dependent on suppliers of the software; if they go out of business there would be little or no support if problems occ
Control Signals from Control Bus: A number of the control signals are provided to control unit by the control bus. These signals are issued from outside the CPU. Some of these si
What is "Scan"? Scan Insertion and ATPG helps test ASICs (e.g. chips) during manufacture. If you know what JTAG boundary scan is, then Scan is the similar idea except that it i
Q. Explain Passing Parameters in General Memory? The parameters can be passed in the memory too. In such a technique name of the memory location is used as a parameter. The res
The excess-3 code of decimal 7 is represented by ? Ans. An excess 3 code of decimal 7 is equal to the binary code +3.
Discuss about variables and assignmesnt statements
Q. Show the Dynamic Range and Colour Depth? Dynamic Range is the number of colours a colour scan or number of grays a monochrome scanner can distinguish. The dynamic range is t
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