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Q. Explain working of Counters?
A counter is a register that goes through a predetermined sequence of states when clock pulse is applied. In principle value of counters is increased by 1 module the capacity of register it implies that when value stored in a counter reaches its maximum value next incremented value becomes zero. Counters are mostly used in circuits of digital systems where control and sequence operations are performed for illustration in CPU we have program counter (PC).
Counters can be categorized in two categories based on the manner they operate: Asynchronous and synchronous counters. In Asynchronous counters change in state of one flip-flop triggers other flip-flops. Synchronous counters are relatively faster since state of all flip-flops can be changed at the same time.
Q. Fundamental differences between RISC and CISC architecture? Fundamental differences between RISC and CISC architecture. The following table lists following differences:
What does the term convergence mean with respect to E-commerce? Convergence with respect to e-commerce The ability to leverage and integrate the several data sources and
Simplify the given expressions using Boolean postulates Y = (A + B)(A‾ + C)(B + C) Ans. Y = (A + B)(A‾ + C)(B + C) = (A A‾ + AC + B A‾ + BC) (B + C) = (AC + B A‾ + BC) (B + C)
Many medium-to-large information services units for modern business have reorganized to be decentralized with an emphasis on dynamic teams andempowerment. In modern business system
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Q. Analysts in Telecommunications area? Here computer networks which play a critical role in success of any business are designed, implemented and managed. Here Network analyst
Convert (177.25) 10 to octal Ans. 177.25) 10 = ( ) 8 Firstly we take integer part Hence (177) 10 = (261) 8 Now as 0.25 x 8 = 2.00 and 0.00 x 8 = 0 Therefor
Which TTL logic gate is used for wired ANDing ? Ans. Open collector output, TTL logic gate is used.
a. What is the difference among character and block devices? b. Discuss the method to make a Kernel Driver for the PC Speaker. c. Explain the socket structure with the help o
Explain two dimensional array In two dimensional arrays, array is a pointer-to-pointer-to-data type.: at the first level, it points to a block of pointers, one for each row. Th
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