NIELIT Scientist –B Day-10 : Digital logic Quiz-1

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Question 1

The simplified form of the Boolean expression (X + Y + XY) (X + Z) is

• AX + Y + ZX + Y
• BXY – YZ
• CX + YZ
• DXZ + Y

Question 2

You are given an OR problem and a XOR problem to solve. Then, which one of the following statements is true?

• ABoth OR and XOR problems can be solved using single layer perception.
• BOR problem can be solved using single layer perception and XOR problem can be solved using self-organizing maps.
• COR problem can be solved using radial basis function and XOR problem can be solved using single layer perception.
• DOR problem can be solved using single layer perception and XOR problem can be solved using radial basis function.

Question 3

Consider the below circuit and find the output function (x, y, z).

• Axy+zy+xy'z
• Bx'y+zy'+x'y'z'
• Cxy+zy'+xy'z'
• Dxy+zy+xyz

Question 4

The equivalent hexadecimal notation for octal number 2550276 is:

• AFADED
• BAE0BE
• CAD0BE
• DACABE

Question 5

What are the final values of Q₁ and Q₀ after 4 clock cycles, if initial values are 00 in the sequential circuit shown below:

• A11
• B10
• C01
• D00

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