CS-302 Quiz Preparation Virtual University With Answers

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CS-302 Quiz Preparation Virtual University

Sr. # Questions Answers Choice
1 Given the state diagram of an up/down counter, we can find ________ The next state of a given present state The previous state of a given present state Both the next and previous states of a given state The state diagram shows only the inputs/outputs of a given states
2 ____________ is said to occur when multiple internal variables change due to change in one input variable Clock Skew Race condition Hold delay Hold and Wait
3 74HC163 has two enable input pins which are _______ and _________ ENP, ENT ENI, ENC ENP, ENC ENT, ENI
4 Flip flops are also called _____________ Bi-stable dualvibrators Bi-stable transformer Bi-stable multivibrators Bi-stable singlevibrators
5 The divide-by-60 counter in digital clock is implemented by using two cascading counters Mod-6, Mod-10 Mod-50, Mod-10 Mod-10, Mod-50 Mod-50, Mod-6
6 In a sequential circuit the next state is determined by ________ and _______ State variable, current state Current state, flip-flop output Current state and external input Input and clock signal applied
7 A frequency counter ______________ Counts pulse width Counts no. of clock pulses in 1 second Counts high and low range of given clock pulse None of given options
8 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
9 In order to synchronize two devices that consume and produce data at different rates, we can use _________ Read Only Memory Fist In First Out Memory Flash Memory Fast Page Access Mode Memory
10 in ____________, all the columns in the same row are either read or written. Sequential Access MOS Access FAST Mode Page Access None of given options
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