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Describe carry look-ahead adder?
Ans: The input carry required by a stage is directly computed from carry signals obtained from all of the preceding stages i-1,i-2,.....0, rather than waiting for usual carries to supply slowly from stage to stage. An adder which is uses this principle is a called carry look-ahead adder.
What are the major features of Booth's algorithm?
Ans: 1) It gain some efficiency in the number of addition required when the multiplier has a few large blocks of 1s.
2) ) It handles positive and negative both multipliers uniformly.
What is the technique to speed up the multiplication process?
Ans: There are basically 2 techniques to speed up the multiplication process:
a) The first technique guarantees that the maximum number of summands that have to
be added is n/2 for n-bit operands.
b) The second technique reduces the time required to add the summands.
What are the events used for page headers and footers? The events TOP-OF-PAGE and END-OF-PAGE are used for pager headers and footers.
Why does FTP use two standard ports whereas other protocols, in general use only one port? Justify. File transfer protocol uses a control connection just to send commands and r
advantages and disadvantages of northwest corner method and least cost method
Define miss rate? It is the number of misses' states as a fraction of attempted accesses.
What is the length of function code at user-command? Every menu function, push button, or function key has an associated function code of length FOUR (for example, FREE), which
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A field containing currency amounts (data type CURR) must be assigned to a reference table and a reference field. Explain. As a reference table, a system having all the valid
How many address bits are required to represent a 32 K memory ? Ans. 32K = 25 x 210 = 215, Hence 15 address bits are needed; Only 16 bits can address this.
Explain the TEST instruction TEST instruction performs the AND operation. The difference is that AND instruction changes the destination operand whereas TEST instruction doesn
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