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ECE · all questions

Digital Electronics
practice.

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The NAND gate is AND gate followed by ___________.

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Among the logic families, the family which can be used at very high frequency greater than 100 MHz in a 4 bit synchronous counter is

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In Boolean algebra, the bar sign (-) indicates ___________.

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A hexadecimal odometer displays F 52 F. The next reading will be

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The binary code of (21.125)10 is

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A NAND gate is called a universal logic element because

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NAND. gates are preferred over others because these

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Which is the correct order of sequence for representing the input values in K-map?

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The inputs of a NAND gate are connected together. The resulting circuit is ___________.

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Digital computers are more widely used as compared to analog computers, because they are

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Consider the representation of six-bit numbers by two’s complement, one’s complement, or by sign and magnitude: In which representation is there overflow from the addition of the integers 011000 and 011000?

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Excess-3 code is known as

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The number 10000 would appear just immediately after

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The only function of NOT gate is to ___________.

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Which of the following gate is a two-level logic gate

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When an input signal 1 is applied to a NOT gate, the output is ___________.

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Storage of 1 KB means the following number of bytes

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The decimal number 76 in hexadecimal and BCD number system is respectively

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Which of the following measurements can be done using a counter?
1. Pulse duration
2. Interval between two pulses
3. Amplitude of the pulse
4. Rise time of a pulse
Select the correct answer from the options given below:

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Match List-I with List-II and select the correct answer using the options given below the lists:
List-I (Memory elements) List-II (Properties)
a. Semiconductor 1. Destructive memory read out
b. Ferrite core memory 2. Combinational logic
c. Magnetic tape memory 3. Non-volatile

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