ESE EC 2018 Achiever Study Plan: Digital Circuits Quiz 4

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Question 1

The minterms for AB + ACD are.

• A
• B
• C
• D

Question 2

For the logic circuit shown in the below figure, what is the required input condition (A, B, C) to make output X = 1?

• A1, 0, 1
• B0, 0, 1
• C1, 1, 1
• D0, 1, 1

Question 3

The output Q and of master slave S-R flip-flop are connected to its R and S inputs respectively. The output Q when clock pulses are applied will be.

• Apermanently 0
• Bpermanently1
• Cfixed 0 or 1
• Dcomplementing with every clock pulse.

Question 4

A semiconductor RAM has a 12 bit address register and an 8 bit data register. The total number of bits in the memory is.

• A256 bits
• B4,096 bits
• C32,768 bits
• D10,48, 576 bits

Question 5

An analog voltage of 3.41 V is converted into 8-bit digital form by an A/D converter with a reference voltage of 5 V. The digital output is.

• A1001 1001
• B1111 0001
• C1011 0111
• D1010 1110

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