Question # 1

The decimal “17” in BCD will be represented as _________

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₁₁₁₀₁

11011

10111

11110

In order to synchronize two devices that consume and produce data at different rates, we can use _________

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Read Only Memory

Fist In First Out Memory

Flash Memory

Fast Page Access Mode Memory

A full-adder has a Cin = 0. What are the sum (<PRIVATE "TYPE=PICT;ALT=sigma"> ) and the carry (Cout) when A = 1 and B = 1?

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= 0, Cout = 0

= 0, Cout = 1

= 1, Cout = 0

= 1, Cout = 1

The minimum time for which the input signal has to be maintained at the input of flip-flop is called ______ of the flip-flop.

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Set-up time

Hold time

Pulse Interval time

Pulse Stability time

Consider A=1,B=0,C=1. A, B and C represent the input of three bit NAND gate the output of the NAND gate will be _____

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Zero

One

Undefined

No output as input is invalid

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

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ENP, ENT

ENI, ENC

ENP, ENC

ENT, ENI

The sequence of states that are implemented by a n-bit Johnson counter is

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n+2 (n plus 2)

2n (n multiplied by 2)

2n (2 raise to power n)

n2 (n raise to power 2)

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

A transparent mode means _____________.

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The changes in the data at the inputs of the latch are seen at the output

The changes in the data at the inputs of the latch are not seen at the output

Propagation Delay is zero (Output is immediately changed when clock signal is applied)

Input Hold time is zero (no need to maintain input after clock transition)

DRAM stands for __________

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Dynamic RAM

Data RAM

Demoduler RAM

None of given options

Demultiplexer is also called.

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Data selector

Data router

Data distributor

Data encoder

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