CS-302 Quiz Preparation Virtual University With Answers

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CS-302 Quiz Preparation Virtual University

Sr. # Questions Answers Choice
1 A flip-flop is connected to +5 volts and it draws 5 mA of current during its operation, the power dissipation of the flip-flop is 10 mW 25 mW 64 mW 1024
2 A positive edge-triggered flip-flop changes its state when ________________ Low-to-high transition of clock High-to-low transition of clock Enable input (EN) is set Preset input (PRE) is set
3 Demultiplexer is also called. Data selector Data router Data distributor Data encoder
4 An alternate method of implementing Comparators which allows the Comparators to be easily cascaded without the need for extra logic gates is _______ Using a single comparator Using Iterative Circuit based Comparators Connecting comparators in vertical hierarchy Extra logic gates are always required
5 "A + B = B + A" is __________ Demorgan‟s Law Distributive Law Commutative Law Associative Law
6 The sequence of states that are implemented by a n-bit Johnson counter is n+2 (n plus 2) 2n (n multiplied by 2) 2n (2 raise to power n) n2 (n raise to power 2)
7 Above is the circuit diagram of _______. Asynchronous up-counter Asynchronous down-counter Synchronous up-counter Synchronous down-counter
8 ______ of a D/A converter is determined by comparing the actual output of a D/A converter with the expected output. Resolution Missing Code Accuracy Quantization
9 FIFO is an acronym for __________ First In, First Out Fly in, Fly Out Fast in, Fast Out None of given options
10 The address from which the data is read, is provided by _______ Depends on circuitry None of given options RAM Microprocessor
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