Digital Electronics NAT Level - 1

Digital Electronics NAT Level - 1

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10 Questions MCQ Test Topic wise Tests for IIT JAM Physics | Digital Electronics NAT Level - 1

Digital Electronics NAT Level - 1 for IIT JAM 2022 is part of Topic wise Tests for IIT JAM Physics preparation. The Digital Electronics NAT Level - 1 questions and answers have been prepared according to the IIT JAM exam syllabus.The Digital Electronics NAT Level - 1 MCQs are made for IIT JAM 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Digital Electronics NAT Level - 1 below.
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*Answer can only contain numeric values
Digital Electronics NAT Level - 1 - Question 1

If the memory chip size is 256 x 1 bits, what is the number of chips required to make 1 up 1K byte of memory

Detailed Solution for Digital Electronics NAT Level - 1 - Question 1

1 byte = 8 bits
1K byte = 1024 bits
1K byte = 1024 x 8 bit
Number of chips =

*Answer can only contain numeric values
Digital Electronics NAT Level - 1 - Question 2

The number 6.25 in the decimal notation, when converted to the binary notation will read as ?

Detailed Solution for Digital Electronics NAT Level - 1 - Question 2

Hence, 6 =110
Now 0.25 x 2 = 0.50 → 0
0.50 x 2 = 1.00 → 1
0.00 x 2 = 0 → 0
Hence, 0.25 = 0.010 →1
Hence (6.25)2 = 110.010

*Answer can only contain numeric values
Digital Electronics NAT Level - 1 - Question 3

What must be the output if A = 1 , B = 0, C = 1 ?

Detailed Solution for Digital Electronics NAT Level - 1 - Question 3

Hence, output = 1

*Answer can only contain numeric values
Digital Electronics NAT Level - 1 - Question 4

In the given circuit, if the inputs A = B = 0, then what is the output of D ?

Detailed Solution for Digital Electronics NAT Level - 1 - Question 4

A = B = 0
Logic states of C and D will be 0, 0

*Answer can only contain numeric values
Digital Electronics NAT Level - 1 - Question 5

The function F generated by the logic network shown gives what output for

Detailed Solution for Digital Electronics NAT Level - 1 - Question 5

Hence  gives

*Answer can only contain numeric values
Digital Electronics NAT Level - 1 - Question 6

The Boolean expression  is equivalent to ?

Detailed Solution for Digital Electronics NAT Level - 1 - Question 6

Digital Electronics NAT Level - 1 - Question 7

When both the input signals A and B of the NOR & NAND gate are connected together, The output of the resultant circuit will be equivalent to

Detailed Solution for Digital Electronics NAT Level - 1 - Question 7

When both the input signals A and B of NOR & NAND gate are connected together, we have one common input connection hence the resultant output will be NOT gated.

*Answer can only contain numeric values
Digital Electronics NAT Level - 1 - Question 8

If two input terminals of NAND gate are shorted, then the output for both the input being zero is ?

Detailed Solution for Digital Electronics NAT Level - 1 - Question 8

If A and B are joined, then

This behaves like a NOT gate.

*Answer can only contain numeric values
Digital Electronics NAT Level - 1 - Question 9

An OPAMP is connected in a circuit with a Zener diode as shown in the figure. The value of resistance R in kfl for obtaining a regulated output Vo = 9 V is: (Specify your answer to two digits after the decimal point.)

Detailed Solution for Digital Electronics NAT Level - 1 - Question 9

*Answer can only contain numeric values
Digital Electronics NAT Level - 1 - Question 10

For the Boolean expression  what will  output for A= 1, B = 1, C = 0 ?

Detailed Solution for Digital Electronics NAT Level - 1 - Question 10

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