Question # 1

The _____________ input overrides the ________ input.

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Asynchronous, synchronous

Synchronous, asynchronous

Preset input (PRE), Clear input (CLR)

Clear input (CLR), Preset input (PRE)

A decade counter is __________.

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Mod-3 counter

Mod-5 counter

Mod-8 counter

Mod-10 counter

The _______ Encoder is used as a keypad encoder.

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2-to-8 encoder

4-to-16 encoder

BCD-to-Decimal

Decimal-to-BCD Priority

In ________ Q output of the last flip-flop of the shift register is connected to the data input of the first flip-flop of the shift register.

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Moore machine

Meally machine

Johnson counter

Ring counter

The _____________ input overrides the ________ input

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Asynchronous, synchronous

Synchronous, asynchronous

Preset input (PRE), Clear input (CLR)

Clear input (CLR), Preset input (PRE)

If S=1 and R=1, then Q(t+1) = _________ for negative edge triggered flip-flop

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0

1

Invalid

Input is invalid

A frequency counter ______________

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Counts pulse width

Counts no. of clock pulses in 1 second

Counts high and low range of given clock pulse

None of given options

In a sequential circuit the next state is determined by ________ and _______

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State variable, current state

Current state, flip-flop output

Current state and external input

Input and clock signal applied

Using multiplexer as parallel to serial converter requires ___________ connected to the multiplexer

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A parallel to serial converter circuit

A counter circuit

A BCD to Decimal decoder

A 2-to-8 bit decoder

The expression F=A+B+C describes the operation of three bits _____ Gate

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OR

AND

NOT

NAND

74HC163 has two enable input pins which are _______ and _________

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ENP, ENT

ENI, ENC

ENP, ENC

ENT, ENI

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